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1
Zieme, Peter. "The Layman İndu and an Old Uighur Poem." Written Monuments of the Orient 5, no. 2 (December 15, 2019): 39–48. http://dx.doi.org/10.17816/wmo25875-.
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Edition of an Old Uighur poem preserved on the verso side of SI 4959 (Kr I 18) of the Serindia Collection of the Institute of Oriental Manuscripts. The fragment contains twelve stanzas four lines. The contents is difficult to define, It is assumed that stanzas I to VI refer to an unnamed young boy who may be a Buddhist novice, while stanzas VII to XII emphasize the importance of doing punya, good deeds. The layman İndu is presented as a model. In stanza IX he vows to encounter with Maitreya expressed in an indirect way. Similar verses are known from Maitreya poems. The paper presents a full edition of this fragment with some notes on problematic words and phrases.
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Ptaszyk, Marian. "Tomasz Ujazdowski 1796–1836 — pedagog, publicysta, wydawca, „starożytnik”, miłośnik książek i zabytków przeszłości, działacz polityczny." Roczniki Biblioteczne 61 (June 4, 2018): 85–133. http://dx.doi.org/10.19195/0080-3626.61.5.
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TOMASZ UJAZDOWSKI 1796–1836 — PEDAGOG, PUBLICYSTA, WYDAWCA, „STAROŻYTNIK”, MIŁOŚNIK KSIĄŻEK I ZABYTKÓW PRZESZŁOŚCI, DZIAŁACZ POLITYCZNYBiografia Ujazdowskiego. Pierwsze publikacje. Redagowanie „Pamiętnika Sandomierskiego”.Publicystyka czasu powstania listopadowego „Tandeciarz”. Redagowanie „Rozmaitości Krakowskich”. Pomnik rycerstwa polskiego z wieku XV. Prywatny księgozbiór Ujazdowskiego i kolekcjonerstwo zabytków przeszłości.TOMASZ UJAZDOWSKI 1796–1836 — A TEACHER, JOURNALIST, PUBLISHER, “ANTIQUARIAN”, LOVER OF BOOKS AND ANTIQUITIES, POLITICAL ACTIVISTTomasz Ujazdowski was born in 1796 in Vilnius. In 1812 he graduated from a school in Węgrów. The need to become financially independent prompted him to join the Piarist Order in Opole Lubelskie, where he took his perpetual vows. After completing his studies in Opole and Warsaw in 1817, he began to work as a teacher in Piarist-run schools. In 1819 he began his efforts to have his vows annulled. Despite the consent of his order’s authorities, we was not released. He started a family. His longest stint as a teacher was in the regional school in Kielce 1822–1826, from where he was transferred to the regional school in Kalisz. In the summer of 1827 he was dismissed and excluded from the teaching profession. In 1828–1830 we worked in the Public Library at the University of Warsaw. During the November Uprising he was active in the Patriotic Society. In 1826 he began to publish short articles in the Warsaw press about Polish monuments he encountered during his travels. He continued writing about them in Pamiętnik Sandomierski, a quarterly he published 1829–1830. He also included there old literary works as well as documents and articles concerning the regions of Podlasie, Sandomierz, Kraków and Kalisz. During the uprising he published a satirical magazine, Tandeciarz, where he fi ercely denounced traitors and those reluctant to fight against the partitioner. He used contemporary and old works, particularly those from the last years of the Polish-Lithuanian Commonwealth. After the uprising he moved to Kraków, where he was most likely involved in illegal patriotic activities. In 1836 he was deported to Trieste, where he died.
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Urban, S. E., and G. L. Wycoff. "Densifying the Optical Reference Frame: The Tycho-2 Catalog of 2.5 Million Stars." International Astronomical Union Colloquium 180 (March 2000): 75–79. http://dx.doi.org/10.1017/s0252921100000130.
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AbstractSince the establishment of the Hipparcos Catalog as the defining source of the optical reference frame, densification beyond its ≈ 120,000 stars has been made possible by the utilization of the Tycho-1 Catalog. The ACT, combining the old Astrographic Catalog (AC) data with the Tycho-1 positions, is the best known example of this. The Tycho-2 consortium, led by E. Høg, has performed new reductions on the Tycho data. This not only has increased the astrometric and photometric accuracies of the original 1 million Tycho-1 stars, but also has added an additional 1.5 million stars. The U.S. Naval Observatory led the effort to compute the proper motions of these 2.5 million stars. They are based not only on the AC data but also include over 140 other ground-based catalogs, all directly reduced to the Hipparcos system. The result of these efforts is the Tycho-2 Catalog, available since February 2000. Positions, proper motions, and BT and VT magnitudes are given for 2.5 million stars. The catalog is 99% complete to V=11.0, and 90% complete to V=11.5. Positional accuracies at the mean epochs vary from < 10 mas for stars V < 9 to just under 100 mas for V > 12. Proper motion accuracies are estimated to be 1.3 mas/year to 3.0 mas/year for the same magnitude ranges. Photometric accuracies range from 0.02 magnitudes for the brightest stars to 0.25 magnitudes for the faintest.
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Ivezić, Ž., D. G. Monet, N. Bond, M. Jurić, B. Sesar, J. A. Munn, R. H. Lupton, et al. "Astrometry with digital sky surveys: from SDSS to LSST." Proceedings of the International Astronomical Union 3, S248 (October 2007): 537–43. http://dx.doi.org/10.1017/s1743921308020103.
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AbstractMajor advances in our understanding of the Universe have historically come from dramatic improvements in our ability to accurately measure astronomical quantities. The astrometric observations obtained by modern digital sky surveys are enabling unprecedentedly massive and robust studies of the kinematics of the Milky Way. For example, the astrometric data from the Sloan Digital Sky Survey (SDSS), together with half a century old astrometry from the Palomar Observatory Sky Survey (POSS), have enabled the construction of a catalog that includes absolute proper motions as accurate as 3 mas/year for about 20 million stars brighter than V=20, and for 80,000 spectroscopically confirmed quasars which provide exquisite error assessment. We discuss here several ongoing studies of Milky Way kinematics based on this catalog. The upcoming next-generation surveys will maintain this revolutionary progress. For example, we show using realistic simulations that the Large Synoptic Survey Telescope (LSST) will measure proper motions accurate to 1 mas/year to a limit 4 magnitude fainter than possible with SDSS and POSS catalogs, or with the Gaia survey. LSST will also obtain geometric parallaxes with accuracy similar to Gaia's at its faint end (0.3 mas at V=20), and extend them to V=24 with an accuracy of 3 mas. We discuss the impact that these LSST measurements will have on studies of the Milky Way kinematics, and potential synergies with the Gaia survey.
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Girelli, Giacomo, Micol Bolzonella, and Andrea Cimatti. "Massive and old quiescent galaxies at high redshift." Astronomy & Astrophysics 632 (December 2019): A80. http://dx.doi.org/10.1051/0004-6361/201834547.
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Aims. Questions of how massive quiescent galaxies rapidly assembled and how abundant they are at high redshift are increasingly important in the study of galaxy formation. Looking at these systems can shed light on the processes of galaxy mass assembly and quenching of the star formation at early epochs. In order to address these questions, we aim to identify and characterize massive quiescent galaxies from z ∼ 2.5 out to the highest redshifts at which these systems can be found. The final purpose is to compare the results with the predictions of state-of-the-art semi-analytical models of galaxy formation and evolution. Methods. We defined observer-frame color–color diagrams to optimally select quiescent galaxies at z > 2.5 and applied them to the COSMOS2015 catalog. We refined the spectral energy distribution (SED) fitting analysis for the selected candidates to confirm their quiescent nature, then derived their number density, mass density, and stellar mass functions. Finally, we compared the results with previous observations and some current semi-analytic models. Results. We selected candidates for quiescent galaxies in the redshift range 2.5 ≲ z ≲ 4.5 from the COSMOS2015 catalog by means of two color–color diagrams. The additional SED fitting analysis allowed us to select 128 galaxies, consistent with being massive (log(M*/M⊙)≥10.6), old (ages ≳0.5 Gyr), and quiescent (log(sSFR [yr−1]) ≤ −10.5) objects at high redshift (2.5 < z < 4.5). Their number and mass densities are in fair agreement with previous observations and, if confirmed, show a discrepancy with current semi-analytical models of galaxy formation and evolution, that underpredict the number of massive quiescent systems up to a factor of ∼12 at 2.5 ≤ z < 3.0 and ∼10 at z ∼ 4.0. The evolution of the stellar mass functions (SMFs) of these systems is similar to previous estimates and indicates a disagreement with models, particularly with regard to the shape of the SMF. Conclusions. The present results add further evidence to the possibility that massive and quiescent galaxies can exist out to at least z ∼ 4. If future spectroscopic observations carried out with, for example, the James Webb Space Telecope (JWST), confirm the substantial presence of such a population, further work on modeling the stellar mass assembly, as well as supermassive black hole accretion and feedback processes at early cosmic epochs, is needed to understand how these systems formed, evolved, and quenched their star formation.
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Yuan, Ye, Fan Li, Yanning Fu, and Shulin Ren. "New precise positions in 2013–2019 and a catalog of ground-based astrometric observations of 11 Neptunian satellites (1847–2019) based on Gaia-DR2." Astronomy & Astrophysics 645 (January 2021): A48. http://dx.doi.org/10.1051/0004-6361/202038776.
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Context. Developing high-precision ephemerides for Neptunian satellites requires not only the continuation of observing campaigns but also the collection and improvement of existing observations. So far, no complete catalogs of observations of Neptunian satellites are available. Aims. We aim to provide new, precise positions, and to compile a catalog including all available ground-based astrometric observations of Neptunian satellites. The observations are tabulated in a single and consistent format and given in the same timescale, the Terrestrial Time (TT), and reference system, the International Celestial Reference System (ICRS), including necessary changes and corrections. Methods. New CCD observations of Triton and Nereid were made at Lijiang 2.4-m and Yaoan 0.8-m telescopes in 2013–2019, and then reduced based on Gaia-DR2. Furthermore, a catalog called OCNS2019 (Observational Catalog of Neptunian Satellites (2019 version)) was compiled, after recognizing and correcting errors and omissions. Furthermore, in addition to what was considered for the COSS08 catalog for eight main Saturnian satellites, all observed absolute and relative coordinates were converted to the ICRS with corrections for star catalog biases with respect to Gaia-DR2. New debiasing tables for both the modern and old star catalogs, which were previously not provided based on Gaia-DR2, are developed and applied. Treatment of missing positions of comparison bodies in conversions of observed relative coordinates are proposed. Results. OCNS2019 and the new debiasing tables are publicly available online. OCNS2019 includes 24996 observed coordinates of 11 Neptunian satellites obtained over 3741 nights from 1847 to 2019. All observations are given in TT and ICRS. The star catalog biases are removed, which are significant for Nereid and outer satellites. We obtained 880 (5% of total now available) new coordinates for Triton over 41 nights (1% of total observation nights so far), and 790 (14%) for Nereid over 47 nights (10%). The dispersions of these new positions are about 0.″03 for Triton and 0.″06 for Nereid. Conclusions. OCNS2019 should be useful in improving ephemerides for the above-mentioned objects.
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Yuan, Ye, Fan Li, Yanning Fu, and Shulin Ren. "New precise positions in 2013–2019 and a catalog of ground-based astrometric observations of 11 Neptunian satellites (1847–2019) based on Gaia-DR2." Astronomy & Astrophysics 645 (January 2021): A48. http://dx.doi.org/10.1051/0004-6361/202038776.
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Context. Developing high-precision ephemerides for Neptunian satellites requires not only the continuation of observing campaigns but also the collection and improvement of existing observations. So far, no complete catalogs of observations of Neptunian satellites are available. Aims. We aim to provide new, precise positions, and to compile a catalog including all available ground-based astrometric observations of Neptunian satellites. The observations are tabulated in a single and consistent format and given in the same timescale, the Terrestrial Time (TT), and reference system, the International Celestial Reference System (ICRS), including necessary changes and corrections. Methods. New CCD observations of Triton and Nereid were made at Lijiang 2.4-m and Yaoan 0.8-m telescopes in 2013–2019, and then reduced based on Gaia-DR2. Furthermore, a catalog called OCNS2019 (Observational Catalog of Neptunian Satellites (2019 version)) was compiled, after recognizing and correcting errors and omissions. Furthermore, in addition to what was considered for the COSS08 catalog for eight main Saturnian satellites, all observed absolute and relative coordinates were converted to the ICRS with corrections for star catalog biases with respect to Gaia-DR2. New debiasing tables for both the modern and old star catalogs, which were previously not provided based on Gaia-DR2, are developed and applied. Treatment of missing positions of comparison bodies in conversions of observed relative coordinates are proposed. Results. OCNS2019 and the new debiasing tables are publicly available online. OCNS2019 includes 24996 observed coordinates of 11 Neptunian satellites obtained over 3741 nights from 1847 to 2019. All observations are given in TT and ICRS. The star catalog biases are removed, which are significant for Nereid and outer satellites. We obtained 880 (5% of total now available) new coordinates for Triton over 41 nights (1% of total observation nights so far), and 790 (14%) for Nereid over 47 nights (10%). The dispersions of these new positions are about 0.″03 for Triton and 0.″06 for Nereid. Conclusions. OCNS2019 should be useful in improving ephemerides for the above-mentioned objects.
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Marquis, Kathy. "Peter Devereaux and Carla Diane Hayden. The Card Catalog: Books, Cards, and Literary Treasures." RBM: A Journal of Rare Books, Manuscripts, and Cultural Heritage 19, no. 1 (May 17, 2018): 71. http://dx.doi.org/10.5860/rbm.19.1.71.
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In an early archives job, I typed the name and subject entries at the top of card sets we received from the Library of Congress. It was exacting work and I really enjoyed it, including the filing. At a venerable manuscript repository, the cards ranged from the printed ones I placed on top of the rods (to be double-checked before they slipped into their forever homes) and those written in a spidery handwriting that could easily have been 100 years old. It made me feel part of a long tradition of information mavens.
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Kumkova, Irina I., Vadim V. Bobylev, and Nina M. Bronnikova. "Densification of ICRS in the Optical by use of Old Pulkovo Observation Sets." International Astronomical Union Colloquium 180 (March 2000): 61–67. http://dx.doi.org/10.1017/s0252921100000117.
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AbstractModern tasks of high precision astrometry demand optical coordinate systems including more faint stars than are available now in current conventional systems (Hipparcos). For this purpose it is suggested to use old photographic observations accumulated in the Pulkovo Observatory. Extensive observational data have been obtained at Pulkovo Observatory during the last century in the framework of several programs, e.g. Pulkovo Galaxy plan, etc. Observations have been made with the Normal Astrograph from 1894 to the present. The data are investigated with the aim of extending the Hipparcos catalog to stars fainter than 11th magnitude. All available observations are taken into account. A description of the material considered is given. The distribution of the selected plates over the celestial sphere is shown as well. Coordinates of faint stars in the Hipparcos system are calculated for selected areas. The accuracy of computed star coordinates is analyzed. Results of the investigation are presented.
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TIAN, JIAHUI, and LIHONG TU. "A new species of the spider genus Solenysa from China (Araneae, Linyphiidae)." Zootaxa 4531, no. 1 (December 11, 2018): 142. http://dx.doi.org/10.11646/zootaxa.4531.1.10.
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The genus Solenysa Simon, 1894 belongs to Linyphiidae Blackwall, 1859, which is a species-rich group, including 608 genera and 4,571 species (World Spider Catalog 2018). Solenysa currently includes 14 species from China, Japan and the Korean Peninsula (Simon 1894; Namkung 1986; Li & Song 1992; Gao, Zhu & Sha 1993; Tu, Ono & Li 2007; Ono 2011; Tu & Hormiga 2011; Wang, Ono & Tu 2015). The linyphiid phylogeny based on molecular data shows that Solenysa species forms one of the seven main clades within Linyphiidae (Wang et al. 2015). According to the phylogenetic analysis based on morphological data, Tu and Hormiga (2011) divided the genus Solenysa into four species groups, each having a unique genital type comprised by series genital characters. As an old branch with a long evolutionary history, Solenysa spiders have accumulated a long list of synapomorphies (Tu & Hormiga 2011), not only having a unique somatic appearance, but also specific genitalic characters that distinguish them from all other linyphiids.
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Buser, Roland, and Jianxiang Rong. "Metallicity Structures of the Milky Way." Symposium - International Astronomical Union 169 (1996): 427–28. http://dx.doi.org/10.1017/s0074180900230040.
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The metallicity-sensitive (U – G) colors from the new homogeneous catalog of photographic RGU data in seven high-latitude fields have been used to determine the larger-scale metallicity distributions of the Galactic population components. For the thick disk, preliminary analysis based on our best structural models provides a mean metallicity 〈[M/H]〉 = −0.6 ± 0.3dex and a marginal vertical metallicity gradient ≈ −0.1dex/kpc. The observed color distributions are further consistent with the (old) thin disk having mean abundance 〈[M/H]〉 = −0.3 ± 0.2dex and abundance gradient ∂[M/H]/∂z = −0.6dex/kpc.
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Khomutov, Sergey Y., and Manjula Lingala. "Some problems with old magnetic data processing." E3S Web of Conferences 196 (2020): 02029. http://dx.doi.org/10.1051/e3sconf/202019602029.
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Continues magnetic measurements at the IKIR FEB RAS obser-vatories Magadan (MGD), Paratunka (PET), Yuzhno-Sakhalinsk (YSS), Cape Schmidt (CPS) and Khabarovsk (KHB) and CSIR-NGRI observatories Hyder-abad (HYB) and Choutuppal (CPL) have been started almost since their formation. A significant part of the results obtained is presented in the WDC and INTERMAGNET databases. However, a large amount of raw data remains un-processed and unavailable for using by scientific community. In the past few years, institutes has been making efforts to process and reprocess old magnetic data. Digital images of analog magnetograms of the Observatory Paratunka since 1967 were obtained and the possibility of their use for calculation hourly and minute values of magnetic field elements was evaluated. Old digital data that was available during the conversion from analog to digital magnetometers is processed. The main problem of processing or re-processing archived data is the lack of information (metadata) about the measurement conditions. First of all, these are the results of absolute observations, which are necessary to obtain the values of the elements of the total field vector. In this paper, some technologies are proposed that allow to use the data obtained during processing of analog magnetograms to adjust the digital magnetometers records. A signif-icant problem is the lack or inaccuracy of information about the temperature conditions in the variation pavilion, about magnetometers or support equipment maintenance or about works in and near the pavilions. As we accumulate the experience during the processing of old magnetic data, a “catalog” of noise and its typical images is formed. This makes it more reliable and efficient to identify and remove this noise from records.
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Lewis, B. M. "Miras Without Masers are Symbiotic Stars." International Astronomical Union Colloquium 135 (1992): 241–43. http://dx.doi.org/10.1017/s0252921100006485.
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AbstractAbout 40% of potential OH / IR stars, color selected from the IRAS Point Source Catalog, have no 1612 MHz masers. While these objects are rarely carbon rich, they are usually associated with circumstellar shells. The natural explanation for these “OH / IR star color mimics” is that they are systems with a degenerate companion collecting an accretion disk from a red giant wind. This provides them with an extra source of UV for dissociating their molecules. The persistent absence of the usual complement of masers from an O-rich shell is then a pointer to the presence of a degenerate companion. These occur in association with ~45% of old giant stars.
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Westerhout, Gart. "Archiving of Data in Positional Astronomy." Highlights of Astronomy 9 (1992): 711–12. http://dx.doi.org/10.1017/s1539299600010121.
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Astrometry is the oldest of the astronomical endeavors. Indeed, we still have the observing journals of Galileo, the journals of Flamsteed, and those of most of the other old transit-circle astronomers. We have most of the early photographic plates taken for the astrographic catalog project, and almost all the parallax plates. However, as technology progressed, we have become somewhat less precise in recording what we did. It is for this reason that this joint meeting was called: to impress on the modern astronomer that, in general, he only extracts a fraction of the information from his observations, and that these observational data may, in the future, provide an invaluable source needed for the progress of the science.
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Bo, M. Del, M. G. Lattanzi, G. Massone, F. Porcu, F. Salvati, G. L. Deiana, A. Poma, and S. Uras. "The TOCAMM Project." International Astronomical Union Colloquium 178 (2000): 317–20. http://dx.doi.org/10.1017/s0252921100061431.
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AbstractThe TOCAMM (TOrino CAgliari Measuring Machine) project undertaken jointly between Torino and Cagliari Astronomical Observatories aimed to convert the old measuring machine ASCORECORD into an automatic and impersonal one. This program is intended to contribute to the link of the HIPPARCOS Catalogue to the ICRS through the determination of precise position of optical counterparts of 80 extragalactic radiosources taken from the IERS list and to investigate the astrometric accuracy of the Guide Star Catalog (version 1 and 2). The calibration test phase, carried out first at the Astronomical Observatory of Torino and after at Cagliari Observatory, where the machine has been now installed, indicate that the available positional accuracy is about 0.5 microns in both x and y coordinates.
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Zhong, Jing, Li Chen, Di Wu, Lu Li, Leya Bai, and Jinliang Hou. "Exploring open cluster properties with Gaia and LAMOST." Astronomy & Astrophysics 640 (August 2020): A127. http://dx.doi.org/10.1051/0004-6361/201937131.
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Context. In Gaia DR2, an unprecedented high level of precision has been reached at sub-milliarcsecond for astrometry and millimagnitudes for photometry. Using cluster members identified with the astrometry and photometry in Gaia DR2, we can obtain a reliable determination of cluster properties. However, because of the shortcomings of Gaia spectroscopic observations in dealing with densely crowded cluster regions, the RVs and metallicity values for cluster member stars from Gaia DR2 are still lacking. It is necessary to combine the Gaia data with the data from large spectroscopic surveys, such as LAMOST, APOGEE, GALAH, and Gaia-ESO. Aims. In this study our aim is to improve the cluster properties by combining the LAMOST spectra. In particular, we provide the list of cluster members with spectroscopic parameters as an add-value catalog in LAMOST DR5, which can be used to perform a detailed study for a better understanding of the stellar properties, by using their spectra and fundamental properties from the host cluster. Methods. We cross-matched the spectroscopic catalog in LAMOST DR5 with the identified cluster members in Cantat-Gaudin et al. (2018, A&A, 618, A93). We then used members with spectroscopic parameters to derive statistical properties of open clusters. Results. We obtained a list of 8811 members with spectroscopic parameters and a catalog of 295 cluster properties. The provided cluster properties include astrometric parameters, spectroscopic parameters, derived kinematic and orbital parameters, and isochrone fitting results. In addition, we study the radial and vertical metallicity gradient and age-metallicity relation with the compiled open clusters as tracers, finding slopes of −0.053 ± 0.004 dex kpc−1, −0.252 ± 0.039 dex kpc−1, and 0.022 ± 0.008 dex Gyr−1, respectively. The slopes of the metallicity distribution relation for young clusters (0.1 Gyr < Age < 2 Gyr) and the age-metallicity relation for clusters within 6 Gyr are both consistent with the literature results. In order to fully study the chemical evolution history in the disk, more spectroscopic observations for old and distant open clusters are needed for further investigation.
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Pascal, A. D. "Cyrillic writing system: from Slavic to Romanian." Proceedings of SPSTL SB RAS, no. 3 (September 17, 2020): 5–10. http://dx.doi.org/10.20913/2618-7515-2020-3-5-10.
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The article is devoted to Cyrillic handwritten books of the XIII–XIX centuries, created in the Romanian principalities, and stored today in the manuscript collections of the Russian State Library. The uniqueness of the writing system, functioning in the principalities (Wallachia, Moldavia, Transylvania) since their political formation, is that it was a Cyrillic script based on the old Slavic language with a predominant Roman-speaking population. In course of the writing system’ development in the principalities, there was a transition from the Slavic font to the Latin one; the intermediate result of this transition was the creation of monuments written in Romanian language with Cyrillic script. The main stages of this process are considered by reference to the specific examples of unique handwritten books and their fragments that have become objects for collecting by scientists, antiquaries, and Old Believers, whose book collections have formed the basis of the handwritten collections of the Russian State Library. They are the oldest Cyrillic manuscripts and their fragments dated to the XII–XIV centuries, found on the territory of Romania, Slavic manuscripts, produced mainly in monasteries of principalities in the XV–XVII centuries, translations of individual words into the Romanian language in the rewritten Slavic texts in the XVI century; the glosses and comments in Romanian on the margins of Slavic manuscripts in the XVI–XVIII centuries; numerous notes in the Romanian language in the manuscripts of the XVI–XVIII centuries, made by owners and readers; translations of literary monuments, including bilingual (Slavic–Romanian) and trilingual (Slavic–Latin–Romanian) versions in the XVI–XVIII centuries; Romanian–Slavic and Slavic–Romanian dictionaries in the XVII–XVIII centuries; letters and their copies in the Romanian language (sureties) in the XVI–XIX centuries. The article is an intermediate outcome of studying and describing Cyrillic Romanian handwritten books in the collections of the Russian State Library, which will result in the publication of a hard–copy catalog.
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Lépine, Sébastien. "Where the Wild Young M Dwarfs Are: the SUPERBLINK Proper Motion Survey and a Search for Low-mass Moving Group Candidates." Proceedings of the International Astronomical Union 10, S314 (November 2015): 69–70. http://dx.doi.org/10.1017/s1743921315006365.
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AbstractThe SUPERBLINK survey catalogs all stars brighter than R = 19 mag and with proper motions larger than 40 mas yr−1, down to a declination of −33○. The catalog inevitably includes a significant fraction of the presumed low-mass members of several nearby young moving groups (Beta Pic, AB Dor, Tuc-Hor, Argus), or low-mass escapees from the Hyades and Pleiades clusters. We discuss opportunities and challenges in identifying the missing M dwarf members of these moving groups. While rounding up the majority of the potential M dwarf members of these groups, such samples are significantly affected by co-moving field stars, both young and old, due to the heavy clumping of the local field population in velocity space.
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Barmby, P., and M. Rafiei Ravandi. "Stellar populations in the outskirts of M31: the mid-infrared view." Proceedings of the International Astronomical Union 11, S321 (March 2016): 19–21. http://dx.doi.org/10.1017/s1743921316011054.
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AbstractThe mid-infrared provides a unique view of galaxy stellar populations, sensitive to both the integrated light of old, low-mass stars and to individual dusty mass-losing stars. We present results from an extended Spitzer/IRAC survey of M31 with total lengths of 6.6 and 4.4 degrees along the major and minor axes, respectively. The integrated surface brightness profile proves to be surprisingly difficult to trace in the outskirts of the galaxy, but we can also investigate the disk/halo transition via a star count profile, with careful correction for foreground and background contamination. Our point-source catalog allows us to report on mid-infrared properties of individual objects in the outskirts of M31, via cross-correlation with PAndAS, WISE, and other catalogs.
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van Reijmersdal, Eva A., Esther Rozendaal, and Moniek Buijzen. "Boys’ responses to the integration of advertising and entertaining content." Young Consumers 16, no. 3 (August 17, 2015): 251–63. http://dx.doi.org/10.1108/yc-10-2014-00487.
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Purpose – The purposes of this paper are to investigate the effects of integrated advertising formats on the persuasion of children, children’s awareness of the persuasive intent of these formats and how this awareness mediates the level of persuasion. Design/methodology/approach – An one-factor between-subjects experiment was conducted among 117 boys from 8 to 12 years old. Findings – This study showed that boys were more aware of the persuasive intent of a non-integrated catalog than of a brand-integrated magazine. In addition, higher awareness of the persuasive intent of the catalog enhanced persuasion in boys. Research limitations/implications – This study only focused on boys’ responses and not on girls. Practical implications – Findings imply that advertisers could focus on non-integrated print advertising formats, such as catalogs, to promote positive product attitudes among boys. Catalogs are also a more ethical way of communicating to boys because boys are generally aware of catalogs’ persuasive intent. Social implications – This study implies that even if children have sufficient persuasion knowledge, they do not necessarily use it to critically evaluate advertising. Originality/value – This paper is the first to systematically test the differences in effects of brand-integrated magazines versus catalogs targeted toward children. Importantly, it shows that persuasion knowledge plays a fundamentally different role in the persuasion process of children than of adults: awareness of the persuasive intent of catalogs increases persuasion among boys, whereas previous studies among adults showed opposite results.
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Davis, Marc, and Adi Nusser. "Re-examination of Large Scale Structure & Cosmic Flows." Proceedings of the International Astronomical Union 11, S308 (June 2014): 310–17. http://dx.doi.org/10.1017/s1743921316010061.
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AbstractComparison of galaxy flows with those predicted from the local galaxy distribution ended as an active field after two analyses came to vastly different conclusions 25 years ago, but that was due to faulty data. All the old results are therefore suspect. With new data collected in the last several years, the problem deserves another look. The goal is to explain the 640 km/s dipole anisotropy of the CMBR. For this we analyze the gravity field inferred from the enormous data set derived from the 2MASS collection of galaxies (Huchra et al. 2005), and compare it to the velocity field derived from the well calibrated SFI++ Tully-Fisher catalog (Springob et al. 2007). Using the “Inverse Method” to minimize Malmquist biases, within 10,000 km/s the gravity field is seen to predict the velocity field (Davis et al. 2011) to remarkable consistency. This is a beautiful demonstration of linear perturbation theory and is fully consistent with standard values of the cosmological variables.
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Calienes, Raúl Fernández. "Bibliography of the Writings of Orlando E. Costas." Missiology: An International Review 17, no. 1 (January 1989): 87–105. http://dx.doi.org/10.1177/009182968901700111.
Full textAbstract:
During his life, the Rev. Dr. Orlando E. Costas made significant contributions to the literature of missiology and theology. Though he was only 45 years old at the time of his death, he personally authored over 100 books and articles, and made over thirty contributions (e.g., chapters, articles, prologues) to the books of other people from around the world. His own interests were varied, but centered mostly on mission, evangelism, and Latin America. This bibliography is an attempt to collect and record his writings, all in one place. It is offered as a tribute to his life and ministry. Wherever possible, searching aids have been included. Examples are the Library of Congress cataloguing numbers (for most of the books) and the Reigner Recording Library Catalog numbers (for the sound recordings at the Union Theological Seminary, Richmond, Virginia).
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Fuchs, B., C. Dettbarn, and R. Wielen. "The Scatter of Metallicities of Stars in the Solar Neighbourhood." Symposium - International Astronomical Union 169 (1996): 431–32. http://dx.doi.org/10.1017/s0074180900230064.
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It is well known that the velocity dispersions of the stars in the solar neighbourhood increase with their ages (Wielen 1977). In Fig.1 we show |W| weighted velocity dispersions (cf. Wielen 1977) of the stars in the Third Catalog of Nearby Stars (Gliese and Jahreiß 1994). Open symbols indicate main sequence stars and crosses indicate McCormick stars, a kinematically unbiased subset of the CNS3, respectively, whereas the filled symbols are the Edvardsson et al. (1993) data. Stars older than 14 Gyr are not shown because they are probably thick disk stars (Freeman 1991). We have assumed a maximum age of the old thin disk stars of 12 Gyr as suggested by the Edvardsson et al. data. As can be seen from Fig.1 both data sets fit ideally together. The solid line indicates a σ ∝ τ1/2 law.
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Benkortem, Saruta, Nahathai Tanakul, and Chutipong Suwannajak. "RR Lyrae analysis in the Local Group globular clusters and dwarf galaxies." Proceedings of the International Astronomical Union 14, S351 (May 2019): 56–59. http://dx.doi.org/10.1017/s1743921319007336.
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AbstractRR Lyrae variables are powerful tools to study their host stellar populations. Globular clusters and dwarf galaxies are old and usually host this type of variables. With a growing number of low luminosity objects discovered in the halo of the Milky Way, classifying stars clusters and galaxies has become more challenging. In this study, we examine the properties of RR Lyrae stars in globular clusters and dwarf galaxies in the Local Group. We construct a catalog of RR Lyrae variables in the Local Group globular clusters and dwarf galaxies from previously published data and compare the properties of RR Lyrae variables between those two types of stellar systems. Our goal is to search for a physical difference in the properties of RR Lyrae variables in those two classes of stellar systems. We also analyze the global trend of RRLs in these systems to understand more about their formation and evolution history.
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Mohamad, M. S., W. A. W. Aris, N. J. Jaffar, and R. Othman. "SEISMIC STRAIN MAP IN MALAYSIA DERIVED FROM LONG-TERM GLOBAL POSITIONING SYSTEM DATA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-4/W16 (October 1, 2019): 399–408. http://dx.doi.org/10.5194/isprs-archives-xlii-4-w16-399-2019.
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Abstract. Series of major earthquakes struck the Sundaland plate as a result of convergence with neighboring plates such as Indian, Australian and Philippine plates. Since then, the Sundaland is experiencing significant crustal deformation that implicate reactivation of local fault and embark question on the status of geohazard and seismic risk. In Malaysia, crustal deformation study by using Global Positioning System (GPS) has been conducted for many years. However, the information of crustal deformation was reported separately and difficult to be archived. In addition, continuous estimation of crustal deformation derived from GPS has to be carried out in order to provide present day seismic status. This study aims at generating a seismic catalog map in Malaysia derived from approximately nine (9) years of GPS data. In this study, derived long-term crustal deformation in the form of coordinate time series (CTS) were converted into yearly strain map. The changes of strain with respect to location of old and active fault line in Malaysia were properly analysed. From the result, the highest changes of strain rate for Peninsular Malaysia happened in 2004 until 2005 and 2012 until 2013 prior to 2004 Acheh earthquake event with the moment magnitude (Mw) and 2012 two strike-slip events in Northern Sumatera with the magnitude of 8.2Mw and 8.6Mw. In North Borneo region, the most significant changes of strain rate happened from 2007 to 2009 and 2011 to 2013. It can be expected that the results will be beneficial in augmenting geohazard mitigation in Malaysia.
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van Altena, William F., Vladimir I. Korchagin, Terrence M. Girard, Dana I. Dinescu, and Tatiana V. Borkova. "Galactic Disk Surface Density in the Solar Neighbourhood." Symposium - International Astronomical Union 220 (2004): 201–6. http://dx.doi.org/10.1017/s0074180900183214.
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Using parallaxes and proper motions of a kinematically and spatially unbiased sample of old bright red giant stars from the Hipparcos catalog with measured radial velocities from Barbier-Brossat & Figon (2000), we have re-estimated the surface density of the Galactic disk in the solar neighbourhood within ±0.4 kpc of the Sun. We determine the vertical distribution of the red giants as well as the vertical velocity dispersion of the sample, (14.4±0.26 km/sec), and combine these to derive the surface density of gravitating matter in the Galactic disk. Using these data, we determine the surface density of the galactic disk as a function of the galactic coordinate, z. the surface density of the disk increases from 10.5 ±0.5 M⊙within ±50 pc to 42 ±6 M⊙/pc2 within ±350 pc. The volume density of the galactic disk within ±50 pc is 0.105±0.005 M⊙/pc3, which is only marginally greater (within 2 sigma) than the volume density estimates of observed baryonic matter in the solar neighbourhood.
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Wiencierz, Patrycja. "Iuramentum na inaugurację władzy w mieście średniowiecznym. Przykład Krakowa." Czasopismo Prawno-Historyczne 69, no. 2 (October 4, 2018): 331–52. http://dx.doi.org/10.14746/cph.2017.2.17.
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The article is devoted to the oaths related to the inauguration of the authorities in medieval Cracow. The paper is mainly based on Cracow’s two municipal codes: the Grabowski Codex (from the 14th and the 15th century) and the Balthasar Behem Codex (from the beginning of the 16th century).The oath played an enormous part in the legal and social relations in the Old Polish period. Cracow’s burghers took an oath of homage (Latin homagium) to every single Polish monarch. Moreover, the clerks, municipal workers and craftsmen yearly pledged their allegiance to the city and took a vow to diligently perform their professional duties. The Grabowski Codex contains oaths (Latin iuramenta) which were written down chaotically for about two centuries. Consequently, it allows one to follow even minor changes in the content of the vows which highlights the significance of the contents of theoath themselves. On the other hand, the Balthasar Behem Code, which was a dignified book and a municipal insignia (Latin insignium), gathered the contemporary oaths in an orderly fashion. As a consequence, it outlines the hierarchy of the municipal clerks and institutions. This further emphasizes the huge importance of a municipal scribe whose oath is inscribed right after the pledge of the town council which was the main municipal institution in town. This paper also undertakes the topic of the elections of new people to perform various functions, pinpoints the dates of these nominations and it outlines the issue of the ceremonies which accompany them. At the same time, it emphasizes the splendour connected with the election of new members of the city council.
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Redworth, Glyn. "A Study in the Formulation of Policy: The Genesis and Evolution of the Act of Six Articles." Journal of Ecclesiastical History 37, no. 1 (January 1986): 42–67. http://dx.doi.org/10.1017/s0022046900031900.
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The Act of Six Articles of 1539 affirmed half a dozen key Catholic beliefs and their denial was made punishable by law: a heretic's death was automatically prescribed for repudiation of transubstantiation, and possible death as a felon for those who denied the divine authority of clerical celibacy, vows of chastity, private masses or the practical necessity of auricular confession. The measure was made even more severe as recantation was of no effect where transgression of the first article was concerned. Little wonder its detractors called the act ‘the whip with six strings’, or the ‘bloody statute’. From early on, the passage of the act was often seen in terms of a personal triumph for Bishop Stephen Gardiner of Winchester, along with Thomas Howard, duke of Norfolk, who piloted the measure through parliament. All of the allusions to Gardiner's involvement come from hostile sources, and most of these ascriptions are vague and lacking in circumstantial detail. William Turner, in The rescuyinge of the Romishe fox, referred to the act in a much quoted statement as ‘the six articles, otherwise called Gardiner's gospel’; it remains a moot point whether Winchester's enemy, Turner, was ascribing to Gardiner authorship of the act or merely endorsement of its orthodoxy. An unknown author, whose work is to be found in Narratives of…the Reformation, argued that the act stemmed from the king's anger against reformist bishops who quarrelled over his deployment of monastic wealth, so Henry, ‘being stirred thereunto by Winchester and other old papists in the next parliament, made vj new articles of our faithy.… The most comprehensive and detailed indictment of Winchester's involvement comes in a highly virulent, and extremely effective, piece of propaganda directed against the bishop.
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Devin, J., M. Lemoine-Goumard, M. H. Grondin, D. Castro, J. Ballet, J. Cohen, and J. W. Hewitt. "High-energy gamma-ray study of the dynamically young SNR G150.3+4.5." Astronomy & Astrophysics 643 (October 28, 2020): A28. http://dx.doi.org/10.1051/0004-6361/202038503.
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Aims. The supernova remnant (SNR) G150.3+4.5 was recently discovered in the radio band; it exhibits a shell-like morphology with an angular size of ~ 3°, suggesting either an old or a nearby SNR. Extended γ-ray emission spatially coincident with the SNR was reported in the Fermi Galactic Extended Source Catalog, with a power-law spectral index of Γ = 1.91 ± 0.09. Studying particle acceleration in SNRs through their γ-ray emission is of primary concern to assess the nature of accelerated particles and the maximum energy they can reach. Methods. Using more than ten years of Fermi-LAT data, we investigate the morphological and spectral properties of the SNR G150.3+4.5 from 300 MeV to 3 TeV. We use the latest releases of the Fermi-LAT catalog, the instrument response functions and the Galactic and isotropic diffuse emissions. We use ROSAT all-sky survey data to assess any thermal and nonthermal X-ray emission, and we derive minimum and maximum distance to G150.3+4.5. Results. We describe the γ-ray emission of G150.3+4.5 by an extended component which is found to be spatially coincident with the radio SNR. The spectrum is hard and the detection of photons up to hundreds of GeV points towards an emission from a dynamically young SNR. The lack of X-ray emission gives a tight constraint on the ambient density n0 ≤ 3.6 × 10−3 cm−3. Since G150.3+4.5 is not reported as a historical SNR, we impose a lower limit on its age of t = 1 kyr. We estimate its distance to be between 0.7 and 4.5 kpc. We find that G150.3+4.5 is spectrally similar to other dynamically young and shell-type SNRs, such as RX J1713.7−3946 or Vela Junior. The broadband nonthermal emission is explained with a leptonic scenario, implying a downstream magnetic field of B = 5 μG and acceleration of particles up to few TeV energies.
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Braga, V. F., A. Bhardwaj, R. Contreras Ramos, D. Minniti, G. Bono, R. de Grijs, J. H. Minniti, and M. Rejkuba. "Structure and kinematics of Type II Cepheids in the Galactic bulge based on near-infrared VVV data." Astronomy & Astrophysics 619 (November 2018): A51. http://dx.doi.org/10.1051/0004-6361/201833538.
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Context. Type II Cepheids (T2Cs) are radially pulsating variables that trace old stellar populations and provide distance estimates through their period-luminosity (PL) relation. Aims. We trace the structure of old stellar population in the Galactic bulge using new distance estimates and kinematic properties of T2Cs. Methods. We present new near-infrared photometry of T2Cs in the bulge from the VISTA Variables in the Vía Láctea survey (VVV). We provide the largest sample (894 stars) of T2Cs with JHKs observations that have accurate periods from the Optical Gravitational Lensing Experiment (OGLE) catalog. Our analysis makes use of the Ks-band time-series observations to estimate mean magnitudes and individual distances by means of the PL relation. To constrain the kinematic properties of our targets, we complement our analysis with proper motions based on both the VVV and Gaia Data Release 2. Results. We derive an empirical Ks-band PL relation that depends on Galactic longitude and latitude: Ks0 = (10.66 ± 0.02) − (2.21 ± 0.03)·(log P−1.2)−(0.020±0.003)·l+(0.050±0.008)·|b| mag; individual extinction corrections are based on a 3D reddening map. Our targets display a centrally concentrated distribution, with solid evidence of ellipsoidal symmetry – similar to the RR Lyræ ellipsoid – and a few halo outliers up to ≳100 kpc. We obtain a distance from the Galactic center of R0 = 8.46 ± 0.03(stat.) ± 0.11(syst.) kpc. We also find evidence that the bulge T2Cs belong to a kinematically hot population, as the tangential velocity components (συl∗ = 104.2 ± 3.0kms−1 and συb = 96.8 ± 5.5kms−1) agree within 1.2σ. Moreover, the difference between absolute and relative proper motion is in good agreement with the proper motion of Sgr A✻ from VLBA measures. Conclusions. We conclude that bulge T2Cs display an ellipsoidal spatial distribution and have kinematics similar to RR Lyræ stars, which are other tracers of the old, low-mass stellar population. T2Cs also provide an estimate of R0 that agrees excellently well with the literature, taking account of the reddening law.
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Seyhan, Azade. "Why Major in Literature—–What Do We Tell Our Students?" PMLA/Publications of the Modern Language Association of America 117, no. 3 (May 2002): 510–12. http://dx.doi.org/10.1632/003081202x61296.
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It is precisely because of the elusive character of real life that we need the help of fiction to organize life retrospectively, after the fact, prepared to take as provisional and open to revision any figure of emplotment borrowed from fiction or from history.–Paul RicoeurIn the aftermath of what has come to be known as Nine One One, literary texts became the last resort of consolation in a vast desert of mindless media commentary and aggressive but ultimately futile political rhetoric. The Philadelphia Inquirer promptly published email messages exchanged by four University of Pennsylvania students trying to grapple with the tragic enormity of the historical moment. For these students “[t]he old world died on Tuesday [11 Sept. 2001],” and they had to learn to live in a new reality. To make sense of this not-so-brave new world, they sought for answers in “books and literature” (“Facing”). Mass-circulated email carried messages of consolation in literary format across the cyber globe. W. H. Auden's “September 1, 1939” was reprinted in all the major newspapers and forwarded to countless e-mail accounts. The conservative columnist George F. Will quoted liberally from the closing lines of Albert Camus's The Plague. “Today's president, his rhetorical rheostat turned way up, vows that the current military campaign 'will rid the world of evil,'” observed Will with undisguised sarcasm. He countered the president's naiveté by citing Camus's allegory of the plague as the permanence of evil in the world. In the final paragraph of the novel, Camus's narrator, Dr. Rieux, muses that the plague bacillus never dies but lies dormant until its time comes to unleash its terror on an unsuspecting world once again. By invoking The Plague, Will wanted to remind his fellow Americans “who are mild in temperament and amnesiac in tendency” that for America “there are only two kinds of years, the war years and the interwar years.” The banality of this conclusion contrasts sharply with the profundity of Camus's final lines.
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Jennings, Susanne Caroline Rose. "Face to Face: the Growth of the Self in Thomas Merton." Studia Nauk Teologicznych PAN, no. 15 (September 15, 2020): 179–92. http://dx.doi.org/10.31743/snt.8530.
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The late Trappist monk and prolific author, Thomas Merton was intensely concerned with the self – or to be more precise, with a desire to break free from the tyranny of the self he took to be his identity. His early years in France and England were marked by a sense of loss and dislocation. After leaving Cambridge for Columbia, his subsequent life in America and decision to be baptised a Catholic at the age of 23 eventually led to his taking vows as a Cistercian monk. Given the name Frater Louis, the ‘world’ with all its temptations and unresolved issues had been left safely behind along with his old identity. Or so he thought. In fact, Merton’s years as a Trappist would lead to a best-selling autobiography written under obedience to his abbot with many more books to follow. Compared at the time of its publication to St Augustine’s Confessions, it would lead to his international renown as Thomas Merton. He voiced his disquiet over what he called ‘this shadow, this double, this writer who […] followed me into the cloister … I cannot lose him.’
In time, Merton came to the realisation through lived experience and his voracious reading of the Bible, St Augustine, the mystics, the individuation process propounded by Jung, Zen Buddhism and others that the ‘self’ he was trying to escape was, in fact, largely a ‘false’ self driven by the ego. This paper traces Merton’s journey from the that self to the authentic self which is found in God, in transcendence. Obsession with ‘the self’ as understood in the 21st century makes a study of Merton’s path to selfhood that much more vital. The advent of the ‘Selfie’, the self-promotion that social media affords and the examples of narcissistic individuals in positions of power gives the lie to lives where self-consciousness is confused with self-realisation. Nothing, as Merton discovered, could be further from the truth.
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Fitzpatrick, George E., and Kimberly A. Klock-Moore. "568 Challenges and Opportunities in Academic Advisement for Non-traditional Horticulture Students." HortScience 35, no. 3 (June 2000): 494A—494. http://dx.doi.org/10.21273/hortsci.35.3.494a.
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The average undergraduate horticulture major at the Univ. of Florida Academic Program at Fort Lauderdale is 38 years old. The older, non-traditional student population is quite diverse, but many individuals are motivated by a desire to change careers, and many of them have taken extensive academic course work at other institutions prior to applying for admission to the Univ. of Florida. Academic advisement of this type of student presents a substantial challenge because of the uncertainty of content and vigor of prior academic preparation. To help meet this challenge, we have developed several academic advisement checklists that indicate numbers and titles of critical preprofessional and general education courses from the academic institutions that have been most frequently attended by the highest numbers of the incoming non-traditional students. These checklists have been cross-referenced between the catalogs of the various academic institutions and the Univ. of Florida catalog. We use these documents to evaluate the academic preparation of incoming transfer students and to assist them in making correct course selections to remedy any academic deficiencies that could negatively influence their success in upper division horticulture course work.
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Nakano, Davi. "Digital music, online outlets and their business models." Brazilian Journal of Operations & Production Management 16, no. 4 (November 30, 2019): 581–91. http://dx.doi.org/10.14488/bjopm.2019.v16.n4.a4.
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Goal: to describe the current configuration of digital music distribution, and to give an overview of the business practices adopted by digital music outlets.
Design/Methodology/Approach: Longitudinal study using descriptive statistics and cluster analysis on two datasets collected in 2011 and 2018.
Results: Three clusters were identified in 2011: paid download, music streaming, and video streaming. Data shows that, in 2018, although streaming was the predominant technical mode, many outlets still applied the paid download business model (BM), and that cluster presented the highest survival rate. Large outlets used streaming, but the specialized ones still adhered to download, and catalog specialization and consumer behavior are the explaining factors.
Limitations of the investigation: Data was gathered from 70 digital outlets operating in two major digital markets, USA and UK, but some large ones, such as Korea and Japan, were not analyzed.
Practical implications: While a dominant technology prevails on mass markets, old technologies can still be adopted in niche markets, due to market limitations and consumer behavior. Thus, even in concentrated markets, small competitors can benefit from exploring segments with special needs that are not addressed by large players.
Originality/Value: There are few quantitative studies and longitudinal analyses on digital music business models.
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Mayer, Paul, Katherine Hodge, Dana Kahn, Mackenzie Best, Yaal Dryer, Mane Pritza, Janel Nelson, and Jack Wittry. "Interns and Volunteers Crucial in Curating and Digitizing Fossil Invertebrates in the Field Museum’s Fast Growing Mazon Creek Collection." Biodiversity Information Science and Standards 2 (June 13, 2018): e25942. http://dx.doi.org/10.3897/biss.2.25942.
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The Mazon Creek region in Northeastern Illinois is home to a Middle Pennsylvanian (~307 million years old) soft-bodied fossil Lagerstätte of animals and plants that lived along a subtropical swampy coastline. This area was strip mined for coal from 1928 to 1974 and museum geologists and amateur collectors acquired large fossil collections during this time by collecting and splitting millions of nodules unearthed at the mines. These large collections are important because of the rarity of many of the species in the Mazon Creek biota. There are about 250 described fossil invertebrate species from the Mazon Creek region. Fifty-one of these species (mostly insects and arachnids) are represented by just a single specimen in the Field Museum’s collection. Since the 1980’s collecting has decreased and the mines have been restored to parks and wildlife areas. The Field Museum maintained a collection of 34,000 Mazon Creek invertebrate fossil for many decades. With the new donations from private collectors in the last three years this collection has grown by 20% and now represents 18% of the Fossil Invertebrate systematic collection. The Mazon Creek is also the most used fossil invertebrate collection accounting for about 38% of loans in the last five years. Dealing with these large and often unexpected donations adds to the already large workload of the collection staff, so interns and volunteers are utilized to process, catalog, digitize, and integrate these fossils into the museum’s collection. In the summer of 2016, interns Mackenzie Best and Yaal Dryer unpacked and sorted into drawers the Thomas V. Testa collection, and digitized the first 1,000 fossils. In 2017, two Women in Science interns, Kate Hodge and Dana Kahn, spent 6 weeks entering the data for 5,000 fossils into our database, numbering these fossils, and printing their labels. Having a well curated collection, as well as volunteer Jack Wittry, who has expert knowledge of Mazon Creek fossils, has also been crucial to the success of these projects. Mane Pritza, a Field Museum volunteer, began photographing these collections and has captured over 11,000 images. Janel Nelson, a former volunteer, has uploaded these images into our multimedia database and linked them to the corresponding records in the catalog module. James and Sylvia Konecny donated their 4,000-specimen Mazon Creek collection in December of 2017, ensuring that interns and volunteers will continue their curation work for at least the next two years.
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Chandra, Ronald, Jose M. Mandei, Jeanette I. Ch Manoppo, Rocky Wilar, Ari L. Runtunuwu, and Phey Liana. "Serum nitric oxide and pediatric sepsis outcomes." Paediatrica Indonesiana 54, no. 4 (August 31, 2014): 213. http://dx.doi.org/10.14238/pi54.4.2014.213-8.
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Background Sepsis is the complex pathophysiologic responsesof the host against systemic infection. Sepsis can cause severeconditions such as septic shock and multiple organ failure.Although we have a better understanding of the molecular basisof sepsis as well as aggressive therapy, the mortality rate remainshigh, between 20-80%. Nitric oxide (NO) is one of the mediatorsassociated with cardiovascular failure, apoptosis and organdysfunction in sepsis.Objective To evaluate for a possible correlation between NOlevels and outcomes in pediatric sepsis.Methods A prospective cohort study was conducted at thepediatric intensive care unit (PICU) of Prof. Dr. R.D. KandouGeneral Hospital in Manado, from June to November 2012. Fortychildren aged one month to five year old, fulfilled the InternationalPediatrics Sepsis Consensus Conference 2 005 criteria were recruited.Nitrite oxide metabolites (nitrite and nitrate) levels were measuredusing a calorimetric assay kit (Cayman®, Catalog No.780001)from venous blood specimens collected at admission. All patientsreceived antibiotics empirically within an hour of the diagnosis.Outcomes of patients recorded were survivor or died, and lengthof stay in PICU.Results Mann-Whitney U test revealed a significant differencebetween median serum NO levels ins urvivors and those who died(18.60 vs. 36.50 fLM/L, respectively; P= 0.016).Conclusion Serum NO concentration is higher in those whodied than in survivors of pediatric sepsis. Specific NO inhibitionmay be beneficial in decreasing morbidity and mortality in thiscondition.
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Law, Robin. "The Original Manuscript Version of William Snelgrave's New Account of Some Parts of Guinea." History in Africa 17 (January 1990): 367–72. http://dx.doi.org/10.2307/3171826.
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Captain William Snelgrave's A New Account of Some Parts of Guinea, and the Slave Trade, first published in 1734, is a work well known to historians of West Africa. The largest and most valuable section of it comprises a detailed account of voyages by the author in 1727 and 1730 to the ports of Whydah and Jakin on the Slave Coast, then recently conquered by Dahomey, and offers the earliest extended account of the latter kingdom to be published. The information in Snelgrave's book can also be supplemented by records of testimony which he provided on two occasions, in 1726 and 1731, before the Commissioners for Trade and Plantations in London.Snelgrave was a slave-trading captain with, at the time of his book's publication, some thirty years' experience of the West African trade. The details of his career are documented principally from his book, which in addition to the voyages of 1727 and 1730 (which form its principal subject), also alludes to several earlier slave-trading voyages undertaken by him. Snelgrave's first voyage to Africa, in which he served as purser on a ship commanded by his father, was to Old Calabar in 1704; a second voyage to Old Calabar was undertaken in 1713, a voyage to Sierra Leone (on which Snelgrave was captured by pirates) in 1719, and a voyage to the Gold Coast in 1721-22. This is not, however, a comprehensive catalog of Snelgrave's voyages, since he also alludes to having visited Whydah on “several voyages” before 1727. Other evidence documents two such earlier voyages by Snelgrave to Whydah, in 1717 and 1725. He was apparently still alive in 1735, the year after the publication of his book, when he is mentioned among a group of people involved in legal proceedings to press claims on the estate of Patrick West, a recently deceased merchant of Antigua.
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Fritz, T. K., L. R. Patrick, A. Feldmeier-Krause, R. Schödel, M. Schultheis, O. Gerhard, G. Nandakumar, N. Neumayer, F. Nogueras-Lara, and M. A. Prieto. "A KMOS survey of the nuclear disk of the Milky Way." Astronomy & Astrophysics 649 (May 2021): A83. http://dx.doi.org/10.1051/0004-6361/202040026.
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Context. In the central few degrees of the bulge of the Milky Way there is a flattened structure of gas, dust, and stars, known as the central molecular zone, that is similar to nuclear disks in other galaxies. As a result of extreme foreground extinction, we possess only sparse information about the (mostly old) stellar population of the nuclear disk. Aims. In this work we present our KMOS spectroscopic survey of the stars in the nuclear disk reaching the old populations. To obtain an unbiased data set, we sampled stars in the full extinction range along each line of sight. Methods. We also observed reference fields in neighboring regions of the Galactic bulge. We describe the design and execution of the survey and present first results. Results. We obtain spectra and five spectral indices of 3113 stars with a median S/N of 67 and measure radial velocities for 3051 stars. Of those, 2735 sources have sufficient S/N to estimate temperatures and metallicities from indices. Conclusions. We derive metallicities using the CO 2-0 and Na I K-band spectral features, where we derive our own empirical calibration using metallicities obtained with higher-resolution observations. We use 183 giant stars for calibration spanning in metallicity from −2.5 to 0.6 dex and covering temperatures of up to 5500 K. The derived index based metallicities deviate from the calibration values with a scatter of 0.32 dex. The internal uncertainty of our metallicities is likely smaller. We use these metallicity measurements, together with the CO index, to derive effective temperatures using literature relations. We publish the catalog in this paper. Our data set complements Galactic surveys such as Gaia and APOGEE for the inner 200 pc radius of the Milky Way, which is not readily accessible by those surveys owing to extinction. We will use the derived properties in future papers for further analysis of the nuclear disk.
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Corti, M. A., R. B. Orellana, and G. L. Bosch. "A search for OB stars in the field of the galactic OB association Bochum 7." Astronomy & Astrophysics 616 (August 2018): A40. http://dx.doi.org/10.1051/0004-6361/201731661.
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Aims. We plan to identify the members of the Bochum 7 association by performing simultaneous astrometric and spectrophotometric analyses, and estimate its distance and evolutionary stage. Methods. We used our own visual spectroscopic and UBV photometric data of a 30′ × 30′ region centered at = 8h44m47.2s, = −45°58′55.5″. This information enabled us to estimate the spectral classification and distance of all stars present in the region. The proper motion was analyzed with data of the UCAC 5 catalog and was used to identify the members of this association. We added JHK data from 2MASS and IRAS catalogs to check for the presence of infrared (IR) excess stars. Results. We found that Bochum 7 is an OB association with at least 27 identified stellar members (l = 265°.12, b = − 2°) at a distance of ≃5640 pc. Its proper motion is μαcos δ = −4.92 ± 0.08 mas yr−1, μδ = 3.26 ± 0.08 mas yr−1. We derived an average heliocentric radial velocity of ~35 km s−1 and were able to confirm the binary nature of the (ALS 1135) system and detect four new binary star candidates. Analysis of data for massive Bo 7 star candidates points towards a young age (≤ 3 × 106 years old) for the association, although the presence of a previous episode of star formation remains to be analyzed.
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Ma, Jun. "Multicolor Photometry and Age Estimates of Globular Clusters in M31." Highlights of Astronomy 13 (2005): 206. http://dx.doi.org/10.1017/s1539299600015720.
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AbstractWe present CCD multicolor photometry for 172 globular clusters (GCs), taken from the Bologna catalog (Battistini et al. 1987), in the nearby spiral galaxy M31. The observations were performed by using the National Astronomical Observatories 60/90 cm Schmidt Telescope in 13 intermediate-band filters, which covered a range of wavelength from 3800 to 10000 Å. This provides a multicolor map of M31 in pixels of 1.7 × 1.7 arcminutes. By aperture photometry, we obtain the spectral energy distributions (SEDs) for these GCs. Using the relationship between the Beijing-Arizona-Taiwan-Connecticut (BATC) intermediate-band system used for the observations and the UBVRI broad-band system, the magnitudes in the B and V bands are derived. The computed V and B–V are in agreement with the values given by Battistini et al. (1987) and Barmby et al. (2000). Finally, by comparing the photometry of each GC with theoretical stellar population synthesis models of Bruzual & Chariot (1996, hereafter BC96), we estimate ages of the sample GCs for different metallicities. The BC96 models provide the evolution in time of the spectrophotometric properties of simple stellar populations for a wide range of stellar metallicity. The results show that nearly all our sample GCs have ages more than 109 years, and most of them are around 1010 years old. At the same time, we find that GCs fitted by the metal-poor model are generally older than ones fitted by the metal-rich model.
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Staroverova, Ekaterina. "Prozhitok as the Estate in Land in the Muscovite State: from the 16th Century to the First Half of the 17th Century." Proceedings of the Institute of State and Law of the RAS 14, no. 1 (March 14, 2019): 34–56. http://dx.doi.org/10.35427/2073-4522-2019-14-1-staroverova.
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In the Muscovite State of the second half of the 15th century the pomest’e system began to take shape. The pomest’e estates were granted by the crown or the church on condition of service and held for a period of service only. The holders were not entitled to dispose of pomest’e lands, and their estates were not hereditary. It raised the question of how the needs of retired servicemen and decedents’ family members should be supplied. The question was resolved by means of prozhitok — the law institution that provided the opportunity for the above-mentioned persons to obtain a part of pomest’e land without condition of service.The prozhitok estate provided the limited proprietary right in land. It was granted for a lifetime of a holder who was not entitled to dispose of the land plot. The decisions to grant the prozhitok estates were taken by the landowners (the crown or the church) on a basis of a petition. The sizes of granted land plots were determined on a case-by-case basis. The unified rules for determination of land plots’ sizes were established only in the second quarter of the 17th century.The prozhitok estate could be granted only to the holders of the pomest’e estates and their family members unable to do military service and thus not eligible to obtain or retain the pomest’e estates. In most cases the prozhitok estates were granted to the widows and unmarried daughters of the deceased holders of the pomest’e estates or more rarely to their mothers and unmarried sisters. Also the prozhitok estates could be granted to the holders of the pomest’e estates retired from service because of old age or ailment and to the sons of the deceased holders unable to do military service because of ailment.Typically, the prozhitok estate was considered as terminated after the death of its holder or taking the monastic vows. It was also considered terminated when its female holder entered into marriage. When the prozhitok estate was terminated the land plot was returned to the crown or the church and then granted to some serviceman as the pomest’e estate. It means that the land plot was held without condition of service only temporarily. The lack of vacant pomest’e lands forced the landowners to grant the land plots before the prozhitok estates termination. So the new type of grant — pozhid — was invented. The pozhid estate resembled the pomest’e estate on hold: the exercise of the holder’s rights was delayed until the prozhiok estate termination. For several reasons such grants were forbidden in 1621–1622. Over many years prozhitok developed as the institution of customary law. It became the subject of legislative regulation only in the twenties of the 17th century. The enactment of Sobornoye Ulozhenie in 1649 was crucial for the prozhitok institution as the code generalized the experience in application of legal norms and systematized the acts related to the prozhitok estates.
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Ma, Xiyu, Chao Zhang, Do Young Kim, Yanyan Huang, Elizabeth Chatt, Ping He, Richard D. Vierstra, and Libo Shan. "Ubiquitylome analysis reveals a central role for the ubiquitin-proteasome system in plant innate immunity." Plant Physiology 185, no. 4 (January 28, 2021): 1943–65. http://dx.doi.org/10.1093/plphys/kiab011.
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Abstract Protein ubiquitylation profoundly expands proteome functionality and diversifies cellular signaling processes, with recent studies providing ample evidence for its importance to plant immunity. To gain a proteome-wide appreciation of ubiquitylome dynamics during immune recognition, we employed a two-step affinity enrichment protocol based on a 6His-tagged ubiquitin (Ub) variant coupled with high sensitivity mass spectrometry to identify Arabidopsis proteins rapidly ubiquitylated upon plant perception of the microbe-associated molecular pattern (MAMP) peptide flg22. The catalog from 2-week-old seedlings treated for 30 min with flg22 contained 690 conjugates, 64 Ub footprints, and all seven types of Ub linkages, and included previously uncharacterized conjugates of immune components. In vivo ubiquitylation assays confirmed modification of several candidates upon immune elicitation, and revealed distinct modification patterns and dynamics for key immune components, including poly- and monoubiquitylation, as well as induced or reduced levels of ubiquitylation. Gene ontology and network analyses of the collection also uncovered rapid modification of the Ub-proteasome system itself, suggesting a critical auto-regulatory loop necessary for an effective MAMP-triggered immune response and subsequent disease resistance. Included targets were UBIQUITIN-CONJUGATING ENZYME 13 (UBC13) and proteasome component REGULATORY PARTICLE NON-ATPASE SUBUNIT 8b (RPN8b), whose subsequent biochemical and genetic analyses implied negative roles in immune elicitation. Collectively, our proteomic analyses further strengthened the connection between ubiquitylation and flg22-based immune signaling, identified components and pathways regulating plant immunity, and increased the database of ubiquitylated substrates in plants.
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Gomes, Jean Michel, Mercedes E. Filho, and Luis C. Ho. "Stellar populations in the centers of nearby galaxies." Proceedings of the International Astronomical Union 7, S284 (September 2011): 234–36. http://dx.doi.org/10.1017/s1743921312009131.
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AbstractThe great amount of data observed in recent years coupled with modelling using evolutionary synthesis codes (BPASS, COELHO, GALAXEV, GALEV, MILES, PÉGASE, etc. . .) to compute Single Stellar Populations (SSPs) and the availability of fast and ingenious spectral synthesis codes such as starlight, ULySS and VESPA, have significantly shed light on our knowledge about the formation and evolution of galaxies. However, there are still open issues concerning the stellar populations in nearby galaxies, particularly those harbouring Active Galactic Nuclei (AGN): can stellar populations mimic nuclear activity, leading to a misclassification based on optical emission line ratios (Stasińska et al. 2008)? We have applied the starlight code (Cid Fernandes et al. 2005) to a well studied sample of nearby galaxies' nuclear spectra (r < ~ 200 pc), observed with the Hale 5 m telescope at Palomar Observatory in two different regions: ~ 4230-5110 Å and ~ 6210-6860 Å (Ho et al. 1995), with spectral resolutions of approximately 4 Å, and 2.5 Å. The aim is to properly derive the star-formation history (SFH), mean stellar age and metallicity and total stellar mass. Our results show that the star-formation history of Seyfert galaxies are very heterogeneous, i.e. these are composed of young, intermediate and old stellar populations, while the SFH of Low-Ionization Nuclear Emission-Line Regions (LINERs) are basically composed of old stellar populations. The absence of young stars in LINERs indicates that these are not responsible for the observed low-ionization emission lines. Furthermore, although a significant fraction of AGN spectra require a featureless continuum in their Spectral Energy Distribution (SED) modelling, this is not an indicative of the presence of an AGN, instead the continuum may simulate the presence of young stellar populations. The main objective of this research is to complement the study of spectroscopic parameters from 486 galaxies analyzed by Ho et al. (1995) that are public available in the VizieR catalog (Ho et al. 1997, 2009) and provide information about their stellar population content by means of the starlight. The base of Simple Stellar Populations used here was taken from Bruzual & Charlot (2003) and spans 25 ages (from 1 Myr to 18 Gyr) and 6 metallicities (Z = 0.005, 0.02, 0.2, 0.4, 1 & 2.5 Z⊙).
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Matteucci, F. "Is the Dynamical History at Odds with the Chemical History?" Symposium - International Astronomical Union 169 (1996): 367–79. http://dx.doi.org/10.1017/s0074180900229951.
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The paper of Eggen, Lynden-Bell and Sandage (1962)(hereafter ELS) titled “Evidence from the motion of old stars that the Galaxy collapsed” was the first attempt to understand the formation and evolution of our Galaxy. From a study of a kinematically selected sample of high velocity stars, ELS had found a remarkable correlation between chemical abundance and orbital eccentricity, in the sense that stars with the largest ultraviolet excess (a measure of stellar metallicity, in particular Fe), i.e. the lowest metallicity, are invariably moving in highly elliptical orbits. As the average < [Fe/H] > (in the usual notation [Fe/H] = log(Fe/H)∗ – log(Fe/H)⊙) is expected to increase with time, as a consequence of the progressive chemical enrichment of the gas, stars with the lowest [Fe/H] are, on average, the oldest. ELS also found a correlation between abundance and motion of stars perpendicular to the Galactic plane. This correlation suggests a continuous decrease of the perpendicular velocity with decreasing [Fe/H]. To explain these relations ELS proposed that the Galaxy collapsed from a protocloud to a thin disk on a timescale of a few times 108 years, with progressive chemical enrichment as the collapse proceeded. This model was subsequently criticized mainly because of selection effects in their data, i.e. given the data available to ELS one would not expect the sample to contain low abundance, low orbital eccentricity objects even if they existed. They would be absent from the high velocity catalog they used. In addition, the ELS simple model did not account for the fact that almost half of the halo stars have retrograde orbits. This fact led Larson (1969) to consider models of clumpy and turbulent protogalaxies with collapse times that sometimes exceeded 1 Gyr.
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Tarasova, E. S. "Ilya Ilf and Evgeny Petrov as Coauthors of Ilf & Petrov Novels." Studies in Theory of Literary Plot and Narratology 15, no. 1 (2020): 117–45. http://dx.doi.org/10.25205/2410-7883-2020-1-117-145.
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The purpose of the article is to identify the “author’s prints” of Ilya Ilf and Evgeny Petrov in the novels “Dvenadtsat’ stul’ev” (“The twelve chairs”) and “Zolotoy telenok” (“Golden calf”) through highlighting the both writers’ contribution to the fusion of inspiration and jokes. A detailed comparison of Petrov’s “pre-Ilf” and Ilf’s “pre-Petrov” works with their co-written texts demonstrates that the co-authors definitely used accumulated literary material in creating the novels: the “common cauldron” contained their previous plots and images. The article is based on a textual analysis of Ilf’s and Petrov’s stories and feuilletons published in the Moscow press before they started writing together, as well as the texts written in the process of creating the dilogy. In previous research on the Ilf and Petrov’s work, the links between their early texts and the co-written dilogy were either unsystematically presented, or tried to track the path of the “literary evolution” of Ilf and Pertov, who had been gradually honing their idiostyle and writing technique. It was often done without following rigid structure and not representing proper arguments. The article offers a classification of identified borrowings and references from Ilf and Petrov’s early texts. It contains systematized examples of various types and scales – from a single detail to a large fragment of the narrative. The catalog of “auto-references” confirms the regular character of borrowings: during the creation of “Dvenadtsat’ stul’ev” (“The twelve chairs”) and “Zolotoy telenok” (“Golden calf”), coauthors often used “previously formulated” phrase and motifs from works, which had been written separately. However, passages from feuilletons, as a rule, were transferred by writers to new novels not mechanically: in the novels “old” images were selected and developed by both authors.
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Yoshida, Kazunari, Malgorzata Maciukiewicz, Victoria Marshe, Arun Tiwari, Eva Brandl, Jeffrey Lieberman, Herbert Meltzer, James Kennedy, and Daniel Mueller. "M172. POLYGENIC RISK SCORES ANALYSES IN ANTIPSYCHOTIC-INDUCED WEIGHT GAIN." Schizophrenia Bulletin 46, Supplement_1 (April 2020): S202. http://dx.doi.org/10.1093/schbul/sbaa030.484.
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Abstract Background Antipsychotic-induced weight gain (AIWG) is a common and serious side effect with antipsychotic medications, which frequently leads to obesity and metabolic disorders. Previous single-gene analyses have shown an overlap between AIWG and genes associated with obesity and energy homeostasis (e.g., MC4R). However, given the polygenic nature of AIWG, polygenic risk scores (PRS), which combine thousands of common variants weighted by their effect size, provide a novel opportunity to investigate the genetic liability for AIWG. Therefore, we analyzed whether PRSs based on large genome-wide association studies (GWAS) for schizophrenia (SCZ), body mass index (BMI), and diabetes (Type 1 & 2) were associated with AIWG. Methods We used a combined dataset (N=345) from two cohorts, prospectively assessed for AIWG: (1) a subset of the Clinical Antipsychotic Trials in Intervention Effectiveness cohort (CATIE; n=189, Brandl et al., 2016), and (2) the Toronto multi-study cohort (n=156, Brandl et al., 2014). The combined cohort was predominantly male (n=249, 72.2%) and on average 39.3±11.9 years old with a total of 196,787 genetic variants. Our phenotypes of interest included the percentage of BMI/weight change from baseline to end-of-treatment, as well as the presence/absence of significant weight gain (≥7% weight change). We investigated associations between PRSs of SCZ, BMI, and diabetes (Type 1 & 2) and AIWG using regression models, corrected for age, sex, study duration and presence of other risk medication for AIWG. We used the Psychiatric Genomics Consortium schizophrenia GWAS reports to calculate PRSs for SCZ. We used GWAS summary statistics from the GWAS Catalog of BMI and metabolic disorders. For BMI, we used one dataset for BMI (i.e., GCST006900: 2,336,269 variants across up to 700,000). For Type-1 diabetes (T1D), we used one dataset from the GWAS catalog (ID: GCST005536) which included 123,130 variants across 6,683 cases, 12,173 controls, 2,601 affected sibling-pair families, and 69 trios. Likewise, we used three datasets for T2D (i.e., GCST006801: 8,404,432 variants across 4,040 cases and 113,735 controls, GCST007517: 133,871 variants across up to 48,286 cases and up to 250,617 controls, and GCST007518: 133,586 variants across up to 48,286 cases and up to 250,617 controls). Results We observed significant associations with PRS for T1D and percentage BMI/weight change from baseline to the endpoint at P-value threshold=0.0022 (R2=0.02, p=0.03), as well as presence/absence of significant weight gain at PT=0.00015 (R2=0.02, p=0.047). In contrast, we observed no significant associations with PRS for SCZ, BMI, or T2D and AIWG (p>0.05). However, our findings with T1D would not remain significant after correction for multiple testing according to the Bonferroni method. Discussion To the best of our knowledge, this is the first study examining whether PRSs for various metabolic-related phenotypes are associated with AIWG in patients with SCZ. Our findings suggest a possible role for PRS of diabetes type 1 being associated with risk for AIWG. This observation would indicate that (auto)immune processes might be related to AIWG which has not previously been reported. Further studies with larger sample sizes and individuals of various ethnic ancestries are required.
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Peterson, Kenneth R., Halyna Fedosyuk, and Flavia C. Costa. "Hereditary Persistence of Fetal Hemoglobin: Old, New and Future Mutations in the aγ-Globin Gene-Proximal Region." Blood 112, no. 11 (November 16, 2008): 492. http://dx.doi.org/10.1182/blood.v112.11.492.492.
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Abstract Hereditary persistence of fetal hemoglobin (HPFH) is a result of mutations that prevent the silencing of the g-globin genes during the adult stage of definitive erythropoiesis. Two types of HPFH are recognized, deletional HPFH and non-deletional HPFH. Mutations in the later class have been identified in the proximal promoters of the Ag- and Gg-globin genes. Individuals homozygous for sickle cell disease or certain b-thalassemia mutations, that have in addition a HPFH mutation, do not suffer the deleterious effects of these diseases. These subjects provide the natural evidence supporting the clinical effort to reactivate fetal hemoglobin as the major treatment for SCD and b-thalassemias. Thus, understanding the molecular mechanisms regulating the g-globin genes is essential for identification of points of therapeutic intervention. Although the number of point mutations causing HPFH has grown over the years, the biochemical mechanisms affected by these alterations remains elusive. In addition, it is unlikely that all potential mutations have been identified in humans. A complete catalog of all potential HPFH point mutations, coupled with knowledge of the transcriptional processes affected by them will be an invaluable step towards effectively treating these diseases. We recently identified a novel T>A HPFH mutation in a GATA site at position -566 of the Ag-globin promoter, the most distal in the promoter to date, that affects binding of a GATA-1-FOG-1-Mi2 repressor complex. Since this study utilized mutated human b-globin locus yeast artificial chromosome (b-YAC) transgenic mice, where a second copy of the Ag-globin gene was introduced near the locus control region, we produced b-YAC transgenic mice containing the -566 mutation at the normally located Ag-globin gene. These mice display a mild HPFH phenotype, an approximately 3% increase in g-globin gene expression, compared to wild-type b-YAC mice. Chromatin immunoprecipitation (ChIP) studies demonstrated that this mutation prevents GATA-1 binding when g-globin is repressed in post-conception day 18 (E18) fetal liver, whereas recruitment was observed in wild-type b-YAC transgenic samples from the same developmental stage. These data are consistent with the presence of a GATA-1-mediated repressor complex at this GATA site when g-globin is not expressed. GATA-1-mediated repression may be a general mechanism of g-globin silencing. To begin testing this hypothesis, we utilized previously generated Ag-globin -117 G>A Greek HPFH b-YAC transgenic mice, which show a 5–8% increase in g-globin synthesis in adult erythropoiesis. Published data suggested that this mutation affects nearby GATA-1 binding. Our ChIP data confirmed these results, however the GATA-1 multi-protein complex that is affected may differ from that recruited to the -566 GATA binding site. Finally, we have developed a cell-based selection that is being used to identify a comprehensive set of Ag-globin HPFH promoter mutations. Chemical inducer of dimerization (CID)-dependent Ag-globin promoter-eGFP b-YAC bone marrow cells were derived from transgenic mice and mutagenized with N-ethyl, N-nitrosourea (ENU). These cells are normally GFP−; treatment with g-globin-inducers or the presence of the -117 Greek HPFH mutation results in GFP+ cells. GFP+ cells were collected by FACS and individual cell clones expanded so that genomic DNA could be isolated. Promoter proximal regions were amplified by four PCR primer sets and subjected to heteroduplex analysis with the corresponding wild-type Ag-globin promoter PCR products as the control amplicons. Twenty three heteroduplexes have been detected among 158 mutant clones screened. Most are clustered in the proximal promoter. These data suggest that we have produced HPFH mutations, likely consisting of those known in human populations, as well as novel sites that affect repressor binding or enhance recruitment of transcriptional activators.
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Cucci, Luigi, Andrea Tertulliani, and Corrado Castellano. "Children of a Lesser Seismological God: The 1971 Tuscania (Central Italy) “Historical” Earthquake." Seismological Research Letters 91, no. 5 (June 3, 2020): 2563–78. http://dx.doi.org/10.1785/0220200040.
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Abstract The 6 February 1971 Tuscania (central Italy) earthquake belongs to a peculiar family of destructive seismic events that have occurred in an area classified as low-seismic hazard, causing heavy damage and tens of casualties. However, this earthquake took place at the dawn of modern seismology in Italy and is far from being fully characterized from an instrumental and macroseismological point of view. This article aims at bridging the gap of information that affects that earthquake, through a twofold research path: (1) with an archival investigation looking for new available sources and with the use of the European Macroseismic Scale-98 (EMS-98) intensity scale, and (2) with the calculation of a more constrained hypocentral location. The results of this investigation can be summarized as follows: the reappraisal of the earthquake in terms of EMS-98 provides a maximum intensity 8 in Tuscania (previously quoted 8–9 Mercalli–Cancani–Sieberg [MCS] in the catalog), and a general decrease of intensity in many damaged localities. The new epicenter location is shifted almost 10 km southeast of the old one, at about 3 km depth. This new location is more robust than the previous one and is consistent with the general distribution of the most damaged localities; however, we cannot exclude that effects of directivity might have played a role in the peculiar pattern of damage caused by the event. Finally, we provide new values of magnitude (MD 4.9 and ML 5.1) that point to an upward scaling of the earthquake. The ultimate lesson of this work is that a deepening of the research can always provide room for an improvement of our knowledge even for significant earthquakes that have occurred relatively recently.
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Moon, J. H., S. J. Kim, J. T. Kang, S. J. Park, J. Y. Choi, I. M. Saadeldin, H. J. Oh, et al. "143 EFFECTS OF BOAR SEMINAL PLASMA IN IN VITRO CULTURE OF PORCINE EMBRYOS." Reproduction, Fertility and Development 25, no. 1 (2013): 219. http://dx.doi.org/10.1071/rdv25n1ab143.
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Seminal plasma consisting of carbohydrates, proteins, and lipids not only serves as a nutritive and protective medium for sperm cells but also play a pivotal role in inducing the tolerance to pre-existing immune cells as well as improving the intra-uterine conditions for implantation of fertilized embryos (Guerin et al. 2009 Hum. Reprod. Update 15, 517–535). However, the effects of seminal plasma in in vitro culture of fertilized embryos are unknown. In the present study, the seminal plasma was separated from the second fraction of a normal farm boar (n = 1) by centrifugation and filtered seminal plasma was stored at –30°C until use. In a preliminary experiment, the optimal activity of seminal plasma was evaluated by incubating the embryos for different time intervals. To investigate the developmental rates, electrically (EA) (triplicates, n = 490) or chemically (CA) (quintuplicates, n = 599) activated 2-day-old porcine embryos were incubated for 3 h in PZM-5 medium (Funakoshi Co., Tokyo, Japan, Catalog no. IFP0410P) containing 0% (EA: n = 122 and CA: n = 152), 0.1% (EA: n = 123 and CA: n = 148), 0.5% (EA: n = 122 and CA: n = 150), or 1% (EA: n = 123 and CA: n = 149) seminal plasma. Similarly, the developmental rate of chemically activated 2-day-old somatic cell nuclear transferred porcine embryos (quadruplicates, n = 239) was studied after incubation with 0% (n = 119) or 0.1% (n = 120) seminal plasma for 3 h. A significant difference was noticed only in the rate of blastocyst formation in the chemically activated embryos treated with 0.1% seminal plasma (31.7 v. 24.8% in the 0% group, ANOVA; P < 0.05; Prism5, GraphPad Software Inc., La Jolla, CA, USA). None of the treatments showed a significant effect on the cleavage rate and cell numbers of blastocysts. In conclusion, the seminal plasma did not show any harmful effect on early embryos development. Furthermore, the seminal plasma (0.1%) improved the rate of blastocyst formation among the chemically activated nuclear transferred embryos. The results of this preliminary study suggest that the addition of seminal plasma during embryo transfer could increase the rate of pregnancy in pig. This study was supported by MKE (#10033839-2012-21), IPET (#311011-05-1-SB010), the Research Institute for Veterinary Science, and TS Corporation.
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Kropocheva, Nataliya. "INFORMATION AND LIBRARY RESOURCES ON ISSUES OF PEDAGOGY AND EDUCATION (ON THE MATERIALS OF LIBRARY SITES OF UNIVERSITIES OF GERMANY)." OPEN EDUCATIONAL E-ENVIRONMENT OF MODERN UNIVERSITY, no. 10 (2021): 89–102. http://dx.doi.org/10.28925/2414-0325.2021.109.
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The Results of the information review of the materials of the Websites of the Libraries of German Universities are presented. A sample of eleven libraries was formed, the selection criteria for which were the following indicators: The Universality of the acquisition of the fund; the presence in the structure of information resources of collections of rare, handwritten and old printed publications; participation in the network of library institutions located on campuses (libraries), library funds are completed with documents of a narrow-specialized direction. The practical problems of creating Information and library resources on education and pedagogy are highlighted; the defining components of the content and composition of the sites of these libraries are described. The Directions of formation of resources of the researched segment of libraries of universities with single - circuit and double – circuit structure are revealed and generalized. In universities of the first type, libraries perform the functions of the central and peripheral library structure, as a rule, information and library resources on pedagogy and education are exported from OPAC (Online public access Catalog) and KVK (Karlsruher Virtuelle Katalog). In universities with a two-circuit structure of libraries, the site presents resources for educational and pedagogical purposes, in library departments, resources of specialized direction are reflected. The qualitative characteristics of the portals of educational and pedagogical issues, placed on the basis of the DBIS information System, are given. features of the formed information resources on the basis of various information sources, according to needs of users, minimizing information overload by optional («superfluous») information flows are revealed. The directions of content formation, prospects of development of the portal «Pädagogik» are covered.