Log in

Relevant bibliographies by topics / Stars: individual: BY Cam / Journal articles

To see the other types of publications on this topic, follow the link: Stars: individual: BY Cam.

Journal articles on the topic 'Stars: individual: BY Cam'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Stars: individual: BY Cam.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Topasna, G. A., N. T. Kaltcheva, and E. Paunzen. "Interstellar polarization and extinction towards the young open cluster NGC 1502." Astronomy & Astrophysics 615 (July 2018): A166. http://dx.doi.org/10.1051/0004-6361/201731903.

Full text

Abstract:

Aims. NGC 1502 is located at the periphery of the Cam OB1 association and probably within the Orion Spur, with published distance estimates varying between 0.7 and 1.5 kpc. We combine new polarimetric observations and existing uvbyβ and UBV photometries to provide new estimates of the cluster’s parameters. Methods. We present new multi-wavelength polarization observations of 22 stars in the direction of the cluster and, using the wavelength of maximum polarization, calculate the total-to-selective extinction ratio for each of these stars. These are combined with homogenized uvbyβ and UBV photo

APA, Harvard, Vancouver, ISO, and other styles

2

Schechter, Paul L., Jeffrey A. Blackburne, David Pooley, and Joachim Wambsganss. "Stellar masses calibrated with micro-lensed quasars." Proceedings of the International Astronomical Union 10, S311 (2014): 96–99. http://dx.doi.org/10.1017/s1743921315003464.

Full text

Abstract:

AbstractWe measure the stellar mass surface densities of early type galaxies by observing the micro-lensing of macro-lensed quasars caused by individual stars, including stellar remnants, brown dwarfs and red dwarfs too faint to produce photometric or spectroscopic signatures. Our method measures the graininess of the gravitational potential, in contrast to methods that decompose a smooth total gravitational potential into two smooth components, one stellar and one dark. We find the median likelihood value for the calibration factor $\cal F$ by which Salpeter stellar masses (with a low mass cu

APA, Harvard, Vancouver, ISO, and other styles

3

Mosler, Andrea B., Adam Weir, Andreas Serner, et al. "Musculoskeletal Screening Tests and Bony Hip Morphology Cannot Identify Male Professional Soccer Players at Risk of Groin Injuries: A 2-Year Prospective Cohort Study." American Journal of Sports Medicine 46, no. 6 (2018): 1294–305. http://dx.doi.org/10.1177/0363546518763373.

Full text

Abstract:

Background: Musculoskeletal hip/groin screening tests are commonly performed to detect at-risk individuals. Bony hip morphology is considered a potential intrinsic risk factor but has not been examined prospectively. Purpose: To evaluate the association between intrinsic risk factors identified from musculoskeletal and radiographic screening tests and hip/groin injuries leading to time loss from training and/or match play in professional male soccer players. Study Design: Prospective cohort study; Level of evidence, 2. Methods: Male professional soccer players, aged ≥18 years, underwent screen

APA, Harvard, Vancouver, ISO, and other styles

4

Babel, J. "Diffusion Models for Magnetic Ap Stars." International Astronomical Union Colloquium 138 (1993): 458–72. http://dx.doi.org/10.1017/s025292110002090x.

Full text

Abstract:

AbstractProgress made in spectroscopy and in the diffusion theory permits now to make severe comparisons, based on line profiles, between theory and observation.We first review transport processes which are present in the atmospheric layers of Ap stars and discuss their relative importance. We then show that mass loss could play a key role for the creation of abundance maps. A mass loss model is proposed for 53 Cam and is compared, by spectrum synthesis, with visible and IUE high resolutions observations. The model accounts well for the line profiles of several elements with an exception for T

APA, Harvard, Vancouver, ISO, and other styles

5

Raveendran, A. V., N. Kameswara Rao, M. R. Deshpande, U. C. Joshi, and A. K. Kulshrestha. "Polarimetric Observations of Hydrogen Deficient Stars." International Astronomical Union Colloquium 87 (1985): 167–71. http://dx.doi.org/10.1017/s0252921100090710.

Full text

Abstract:

AbstractPolarimetric observations of HD 30353, SU Tau, XX Cam, R Cr B,UV Cas, BD+13 3224,BD+10 2179 and HD 124448 are presented. The linear polarization of HD 30353 is found to vary appreciably at Hα over time scale as short as one day. It is also found that SU Tau shows significant variation in polarisation even at light maximum.

APA, Harvard, Vancouver, ISO, and other styles

6

Williams, R. K., C. Goridis, and R. Akeson. "Individual neural cell types express immunologically distinct N-CAM forms." Journal of Cell Biology 101, no. 1 (1985): 36–42. http://dx.doi.org/10.1083/jcb.101.1.36.

Full text

Abstract:

The neural cell adhesion molecules, or N-CAMs, are a group of structurally and immunologically related glycoproteins found in vertebrate neural tissues. Adult brain N-CAMs have apparent molecular weights of 180,000, 140,000, and 120,000. In this article we identify, using monoclonal antibody (Mab) 3G6.41, an immunologically distinct adult rat N-CAM form and show that this form is selectively expressed by some clonal neural cell lines. Consecutive immunoprecipitation experiments indicate that rabbit anti-N-CAM can remove from solubilized cerebellar neuron primary cultures all 180,000- and 140,0

APA, Harvard, Vancouver, ISO, and other styles

7

Buat-Ménard, V., J. M. Hameury, and J. P. Lasota. "Z Cam stars: A particular response to a general phenomenon." Astronomy & Astrophysics 369, no. 3 (2001): 925–31. http://dx.doi.org/10.1051/0004-6361:20010176.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Hameury, J. M., and J. P. Lasota. "Anomalous Z Cam stars: a response to mass-transfer outbursts." Astronomy & Astrophysics 569 (September 2014): A48. http://dx.doi.org/10.1051/0004-6361/201424535.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Babel, J. "A Diffusion Mass-Loss Model for the Ap Star 53 Cam." International Astronomical Union Colloquium 137 (1993): 275–77. http://dx.doi.org/10.1017/s0252921100017905.

Full text

Abstract:

AbstractThe mechanism and properties of mass loss are poorly known for Ap stars. Present upper limits on the mass loss rate are of 10−10 M⊙yr−1, a value which does not permit any element separation. Abundance maps could be a very powerful tool to constrain the mass loss rate and the wind geometry of Ap stars, as surface abundances are sensitive to rates as small as 10−15 M⊙yr−1. We here propose a diffusion-mass loss model for 53 Cam and compute abundance distributions in the photosphere of 53 Cam. The mass loss geometry is determined from the Ca II K line profile and its time variation. We obt

APA, Harvard, Vancouver, ISO, and other styles

10

Halling, D. Brent, Benjamin J. Liebeskind, Amelia W. Hall, and Richard W. Aldrich. "Conserved properties of individual Ca2+-binding sites in calmodulin." Proceedings of the National Academy of Sciences 113, no. 9 (2016): E1216—E1225. http://dx.doi.org/10.1073/pnas.1600385113.

Full text

Abstract:

Calmodulin (CaM) is a Ca2+-sensing protein that is highly conserved and ubiquitous in eukaryotes. In humans it is a locus of life-threatening cardiomyopathies. The primary function of CaM is to transduce Ca2+ concentration into cellular signals by binding to a wide range of target proteins in a Ca2+-dependent manner. We do not fully understand how CaM performs its role as a high-fidelity signal transducer for more than 300 target proteins, but diversity among its four Ca2+-binding sites, called EF-hands, may contribute to CaM’s functional versatility. We therefore looked at the conservation of

APA, Harvard, Vancouver, ISO, and other styles

11

Komiyama, Yutaka. "Subaru Hyper Suprime-Cam Survey for the Local Group Dwarf Galaxies: Ursa Minor." Proceedings of the International Astronomical Union 14, S344 (2018): 94–95. http://dx.doi.org/10.1017/s1743921318006518.

Full text

Abstract:

AbstractWe have carried out a wide and deep imaging survey for the Local Group dwarf spheroidal galaxy Ursa Minor (UMi) using Hyper Suprime-Cam (HSC). The data cover out beyond the nominal tidal radius down to ~25 mag in i band, which is ~2 mag below the main sequence turn-off point. The structural parameters of UMi are derived using red giant branch (RGB) stars and sub-giant branch (SGB) stars, and the tidal radius is suggested to be larger than those estimated by the previous studies. It is also found that the distribution of bluer RGB/SGB stars is more extended than that of redder RGB/SGB s

APA, Harvard, Vancouver, ISO, and other styles

12

Altan, Metin, Taichi Kato, Ryoko Ishioka, et al. "Superhump period of SDSS J214354.59+124457.8: First Z Cam star with superhumps in the standstill." Monthly Notices of the Royal Astronomical Society 489, no. 1 (2019): 1451–62. http://dx.doi.org/10.1093/mnras/stz2247.

Full text

Abstract:

Abstract The cataclysmic variable SDSS J214354.59+124457.8 (hereafter SDSS J214354) was observed photometrically on sixty one nights between 2012 July 28 and 2019 May 26. The long term variation of this object shows changes between two phases; a dwarf nova type and a novalike. This implies that the object belongs to the group of Z Cam type stars. The timing analysis of the light curve reveals a periodic signal at 0.13902(5) d, which we identify as the superhump period. However, the fractional superhump excess of 10 per cent longer than the orbital period is exceptionally large. We obtained a m

APA, Harvard, Vancouver, ISO, and other styles

13

Rodriguez et al., E. "δ Sct stars in eclipsing binaries: the case of Y Cam". Communications in Asteroseismology 150 (2007): 63–64. http://dx.doi.org/10.1553/cia150s63.

Full text

APA, Harvard, Vancouver, ISO, and other styles

14

Schreiber, M. R., B. T. Gänsicke, and J. A. Mattei. "RX And: An intermediate between Z Cam and VY Scl stars." Astronomy & Astrophysics 384, no. 1 (2002): L6—L9. http://dx.doi.org/10.1051/0004-6361:20020122.

Full text

APA, Harvard, Vancouver, ISO, and other styles

15

Corvaglia, Giovanni, Matthias Böger, and Vincenzo Bevilacqua. "Cylinder Individual Cam Timing in a V8 Engine." MTZ worldwide 80, no. 4 (2019): 44–49. http://dx.doi.org/10.1007/s38313-019-0015-2.

Full text

APA, Harvard, Vancouver, ISO, and other styles

16

Kim, S. L., J. W. Lee, J. H. Youn, H. K. Moon та K. J. Choo. "Search for δ Scuti Type Pulsating Components in Eclipsing Binary Systems". International Astronomical Union Colloquium 183 (2001): 205–6. http://dx.doi.org/10.1017/s0252921100078854.

Full text

APA, Harvard, Vancouver, ISO, and other styles

17

Kurtz, D. W., G. Handler, S. A. Rappaport, et al. "The single-sided pulsator CO Camelopardalis." Monthly Notices of the Royal Astronomical Society 494, no. 4 (2020): 5118–33. http://dx.doi.org/10.1093/mnras/staa989.

Full text

Abstract:

ABSTRACT CO Cam (TIC 160268882) is the second ‘single-sided pulsator’ to be discovered. These are stars where one hemisphere pulsates with a significantly higher amplitude than the other side of the star. CO Cam is a binary star comprised of an Am δ Sct primary star with Teff = 7070 ± 150 K, and a spectroscopically undetected G main-sequence secondary star. The dominant pulsating side of the primary star is centred on the L1 point. We have modelled the spectral energy distribution combined with radial velocities, and independently the TESS light curve combined with radial velocities. Both of t

APA, Harvard, Vancouver, ISO, and other styles

18

Jorissen, Alain, Sophie Van Eck, Thibault Merle, and Hans Van Winckel. "Spectroscopic binaries among AGB stars from HERMES/Mercator: the case of V Hya." Proceedings of the International Astronomical Union 14, S343 (2018): 431–33. http://dx.doi.org/10.1017/s1743921318007287.

Full text

Abstract:

AbstractWe report on our search for spectroscopic binaries among a sample of AGB stars. Observations were carried out in the framework of the monitoring of radial velocities of (candidate) binary stars performed at the Mercator 1.2m telescope, using the HERMES spectrograph. We found evidence for duplicity in UV Cam, TU Tau, BL Ori, VZ Per, T Dra, and V Hya.

APA, Harvard, Vancouver, ISO, and other styles

19

Easthope, Gary. "Consuming health: The market for complementary and alternative medicine." Australian Journal of Primary Health 10, no. 2 (2004): 68. http://dx.doi.org/10.1071/py04028.

Full text

Abstract:

A brief account of the collapse of PAN pharmaceuticals is used to identify the major interest groups in the market for complementary and alternative medicine (CAM) products - individual consumers, CAM businesses, insurance companies, doctors, and governments. These interest groups are then described. It is argued that CAM use is primarily driven by individual consumers, but the final form of the market is produced by the intersection of interest group pressures. Finally, it is suggested there may be two consumer markets for CAM products: one oriented towards symptom relief and one towards heal

APA, Harvard, Vancouver, ISO, and other styles

20

Broom, Alex, and Philip Tovey. "Exploring the Temporal Dimension in Cancer Patients' Experiences of Nonbiomedical Therapeutics." Qualitative Health Research 18, no. 12 (2008): 1650–61. http://dx.doi.org/10.1177/1049732308326511.

Full text

Abstract:

To date, research on complementary and alternative medicine (CAM) use by cancer patients has tended to provide a “snapshot” of experience, with little attention given to the evolution of experience over time. Drawing on data from solicited diaries, this article examines individual cancer patients' temporal experiences of CAM. Our findings suggest that experiences of CAM are variable over time and space, and furthermore, that the everyday act of “doing CAM” is considerably more problematic than is often reported in face-to-face interview or survey studies. This is explored in relation to the te

APA, Harvard, Vancouver, ISO, and other styles

21

Leščinskaitė, Alina, Rima Stonkutė, and Vladas Vansevičius. "Bright-red stars in the dwarf irregular galaxy Leo A." Proceedings of the International Astronomical Union 14, S344 (2018): 99–102. http://dx.doi.org/10.1017/s1743921318006427.

Full text

Abstract:

AbstractWe analysed a population of bright-red (BR) stars in the dwarf irregular galaxy Leo A by using multicolour photometry data obtained with the Subaru/Suprime-Cam (B, V, R, I,Hα) and HST/ACS (F475W & F814W) instruments. In order to separate the Milky Way (MW) and Leo A populations of red stars, we developed a photometric method, which enabled us to study the spatial distribution of BR stars within the Leo A galaxy.We found a significant difference in the scale-length (S-L) of radial distributions of the “young” and “old” red giant branch (RGB) stars – 0′.82 ± 0′.04 and 1′53 ± 0′.03, r

APA, Harvard, Vancouver, ISO, and other styles

22

Zboril, M., and G. Djurasevic. "Progress report on the monitoring active late-type stars in 2005/2006 and the analysis of V523 Cas." Serbian Astronomical Journal, no. 173 (2006): 89–94. http://dx.doi.org/10.2298/saj0673089z.

Full text

Abstract:

We present the light curve analysis of late-type binary V523 Cas for the season 2005. The spot has been revealed on the secondary. According to theoretical considerations, the spot appeared to be hotter than the surrounding photosphere and located at middle latitudes (the radius 40? and latitude 48?). The light curves for other stars in the observational list (many of them again with O'Connell effect), for the same season, have been made electronically available. These objects are SV Cam, IV Dra, BI Vul, DD Com, 12 Cam and II Peg.

APA, Harvard, Vancouver, ISO, and other styles

23

Leroy, J. L., J. D. Landstreet, E. Landi degl’Innocenti, and M. Landolfi. "Broadband Measurements of the Transverse Magnetic Field of Cool Ap Stars." International Astronomical Union Colloquium 138 (1993): 274–78. http://dx.doi.org/10.1017/s0252921100020601.

Full text

Abstract:

AbstractObservations of variable broadband linear polarization in magnetic Ap stars (due to the transverse Zeeman effect), when combined with measurements of the mean longitudinal field Bɩ can in some cases allow one to determine the angles i and β (which describe the inclination of the stellar axis of rotation and the obliquity of the magnetic axis to the rotation axis) much more accurately than these angles can be determined from observations of Bɩ alone. Such variable intrinsic linear polarization has been observed for a number of stars; the effect is generally detectable only in cool Ap st

APA, Harvard, Vancouver, ISO, and other styles

24

Heap, Sara R., Dennis Ebbets, Eliot M. Malumuth, Stephen P. Maran, Alex de Koter, and Ivan Hubeny. "GHRS Spectroscopy of individual stars in R136a." Astrophysical Journal 435 (November 1994): L39. http://dx.doi.org/10.1086/187589.

Full text

APA, Harvard, Vancouver, ISO, and other styles

25

Zboril, M. "Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg." Serbian Astronomical Journal, no. 175 (2007): 51–56. http://dx.doi.org/10.2298/saj0775051z.

Full text

Abstract:

We present the BV light curves analysis of late-type, long-period stars 29 Dra, 12 Cam for the season 2005/2006, and shorter-period star II Peg for the same season. High latitude spots (alternatively spot configuration) cooler than surrounding photosphere were able to explain the light curves. The II Peg colour- index shift in H-R diagram is probably a consequence of stellar metallicity. Other associated mechanisms are briefly discussed.

APA, Harvard, Vancouver, ISO, and other styles

26

KIM, S. L., C. D. LEE, J. W. LEE, et al. "PHOTOMETRIC PROPERTIES OF FOUR NEW VARIABLE STARS IN THE VICINITY OF BR CAM." Journal of The Korean Astronomical Society 37, no. 4 (2004): 143–49. http://dx.doi.org/10.5303/jkas.2004.37.4.143.

Full text

APA, Harvard, Vancouver, ISO, and other styles

27

Mkrtichian, D. E., N. N. Samus, N. A. Gorynya, P. North та A. P. Hatzes. "On the Binarity of the F0p Magnetic Stars ϒ Equ and 49 Cam". International Astronomical Union Colloquium 170 (1999): 331–34. http://dx.doi.org/10.1017/s0252921100048740.

Full text

Abstract:

The magnetic field investigations of the rapidly-oscillating (ro)Ap star ϒ Equ show a very long magnetic (rotational) period of about 74 years (Leroy et al. 1994; Bychkov & Shtol 1997). No significant changes of radial velocities were detected during the history of investigations of this star. Recently, Scholz et al. (1997) (hereafter S97) reported a rapid increase of radial velocity (RV) of ϒ Equ from the mean value of -16.81 km s−1 up to a maximum at -4.28 km s−1 within the interval JD 2449608 – JD 2450356, and suggested that ϒ Equ is a long-period binary star with high eccentricity. Suc

APA, Harvard, Vancouver, ISO, and other styles

28

Bartlett, E. S., J. S. Clark, and I. Negueruela. "CI Camelopardalis: The first sgB[e]-high mass X-ray binary twenty years on: A supernova imposter in our own Galaxy?" Astronomy & Astrophysics 622 (February 2019): A93. http://dx.doi.org/10.1051/0004-6361/201834315.

Full text

Abstract:

Context. The Galactic supergiant B[e] star CI Camelopardalis (CI Cam) was the first sgB[e] star detected during an X-ray outburst. The star brightened to ∼2 Crab in the X-ray regime (∼5 × 10−8 ergs cm−2 s−1 in the 2–25 keV range) within hours before decaying to a quiescent level in less than two weeks, clearly indicative of binarity. Since the outburst of CI Cam, several sgB[e] stars have been identified as X-ray overluminous for a single star (i.e. LX > 10−7 Lbol). This small population has recently expanded to include two ultra luminous X-ray sources (ULX), Holmberg II X-1 and NGC 300 ULX

APA, Harvard, Vancouver, ISO, and other styles

29

Balog, Edward M., Laura E. Norton, David D. Thomas, and Bradley R. Fruen. "Role of calmodulin methionine residues in mediating productive association with cardiac ryanodine receptors." American Journal of Physiology-Heart and Circulatory Physiology 290, no. 2 (2006): H794—H799. http://dx.doi.org/10.1152/ajpheart.00706.2005.

Full text

Abstract:

Calmodulin (CaM) binds to the cardiac ryanodine receptor Ca2+ release channel (RyR2) with high affinity and may act as a regulatory channel subunit. Here we determine the role of CaM Met residues in the productive association of CaM with RyR2, as assessed via determinations of [3H]ryanodine and [35S]CaM binding to cardiac muscle sarcoplasmic reticulum (SR) vesicles. Oxidation of all nine CaM Met residues abolished the productive association of CaM with RyR2. Substitution of the COOH-terminal Mets of CaM with Leu decreased the extent of CaM inhibition of cardiac SR (CSR) vesicle [3H]ryanodine b

APA, Harvard, Vancouver, ISO, and other styles

30

Perlman, Adam, Oliver Lontok, Maureen Huhmann, J. Scott Parrott, Leigh Ann Simmons, and Linda Patrick-Miller. "Prevalence and Correlates of Postdiagnosis Initiation of Complementary and Alternative Medicine Among Patients at a Comprehensive Cancer Center." Journal of Oncology Practice 9, no. 1 (2013): 34–41. http://dx.doi.org/10.1200/jop.2012.000634.

Full text

Abstract:

Patients with cancer increasingly use complementary and alternative medicine (CAM) in conjunction with conventional oncology treatments. This study looks at the prevalence and correlates of individual CAM modalities initiated after cancer diagnosis.

APA, Harvard, Vancouver, ISO, and other styles

31

Rzepiński, Tomasz, and Piotr Tabaczewski. "Clinical trials in complementary and alternative medicine – the myth of limitations." Journal of Medical Science 85, no. 4 (2016): 327. http://dx.doi.org/10.20883/161.

Full text

Abstract:

The paper aims to dispute common arguments put forward by practitioners of complementary and alternative medicine (CAM) in discussions against conducting clinical trials in CAM treatment protocols. It is argued that CAM therapies cannot be evaluated by the same criteria as those applied in conventional medicine due to specificity of CAM. This paper suggests that this line of thought undermines not only the validity of CAM therapies, but, importantly, is delaying understanding their therapeutical value. We also argue that despite apparent differences in approach both conventional medicine and C

APA, Harvard, Vancouver, ISO, and other styles

32

Rzepiński, Tomasz, and Piotr Tabaczewski. "Clinical trials in complementary and alternative medicine – the myth of limitations." Journal of Medical Science 85, no. 4 (2016): 327–29. http://dx.doi.org/10.20883/jms.2016.161.

Full text

Abstract:

The paper aims to dispute common arguments put forward by practitioners of complementary and alternative medicine (CAM) in discussions against conducting clinical trials in CAM treatment protocols. It is argued that CAM therapies cannot be evaluated by the same criteria as those applied in conventional medicine due to specificity of CAM. This paper suggests that this line of thought undermines not only the validity of CAM therapies, but, importantly, is delaying understanding their therapeutical value. We also argue that despite apparent differences in approach both conventional medicine and C

APA, Harvard, Vancouver, ISO, and other styles

33

Ishioka, R. "Dwarf Nova-Like Outburst of Short-Period Intermediate Polar HT Camelopardalis." International Astronomical Union Colloquium 194 (July 2004): 259. http://dx.doi.org/10.1017/s0252921100153047.

Full text

Abstract:

Our time-series photometric observations of a short outburst of HT Cam in 2001 strongly suggest that disk instabilities occurred during the outburst.HT Cam is a cataclysmic variable identified as the optical counterpart of the hard X-ray source RX J0757.0+6306, discovered during the ROSAT All-Sky Survey. Tovmassian et al. (1998) suggested that this object is an intermediate polar with a shortest orbital period of 80.92min and a spin period of 8.52min. However, the existence of dwarf nova-like outbursts and the short orbital period allowed an alternative interpretation that it may be an SU UMa-

APA, Harvard, Vancouver, ISO, and other styles

34

Burnashev, V. I., V. P. Malanushenko та N. S. Polosukhina. "The Investigations of Variations in the Depression λ4200, λ5200 of the Magnetic Stars 53 Cam and Beta CrB". International Astronomical Union Colloquium 90 (1986): 341–44. http://dx.doi.org/10.1017/s0252921100091752.

Full text

Abstract:

During many recent years, from 1973, the search for short-term variations in the spectrum of Ap-stars has been carried out at the Crimean Astrophysical Observatory. Some results are presented in the poster dedicated to 53CAM observations. Spectral observations of the magnetic star 53CAM with time resolution of about I min were supplemented by the narrow-band photometrical observations within the framework of the cooperative program of the magnetic stars observations, started in 1979.

APA, Harvard, Vancouver, ISO, and other styles

35

Blommaert, J. A. D. L., M. A. T. Groenewegen, M. R. Cioni, H. J. Habing, J. Th van Loon, and N. R. Trams. "ISO Observations of AGB Stars in the Small Magellanic Cloud." Symposium - International Astronomical Union 192 (1999): 95–99. http://dx.doi.org/10.1017/s0074180900203963.

Full text

Abstract:

We used ISOCAM and ISOPHOT to observe the spectral energy distribution between 3.6 and 60 μm of AGB stars in the Small Magellanic Cloud detected by IRAS. CAM-CVF spectra are made which enable us to establish the carbon- or oxygen-rich nature of the stars.We are in the process of analysing this data using a radiative transfer model. This will provide us with accurate determinations of luminosity and mass loss rate. Combining the results on the SMC, LMC and Galaxy we hope to address the open question of the metallicity dependencies of the mass loss rate. This in turn is important in the ejection

APA, Harvard, Vancouver, ISO, and other styles

36

Lawson, W. A., P. L. Cottrell, and K. R. Pollard. "A photometric and spectroscopic study of R Coronae Borealis stars in the LMC." Symposium - International Astronomical Union 148 (1991): 351–52. http://dx.doi.org/10.1017/s0074180900200806.

Full text

Abstract:

Over the last several years we have obtained photometric observations of the four suspected (W Men, HV 5637, HV 12671, HV 12842) R Coronae Borealis (RCB) stars in the Large Magellanic Cloud (LMC). Fourier analyses of the light curves has revealed some periodicity in HV 12842, where there appear to be at least two closely spaced periods of 55 and 60 d. High resolution spectra of HV 12842, obtained with the Ango-Australian Telescope (AAT), indicate that it has similar atmospheric properties to a number of warmer galactic RCB and hydrogen-deficient Carbon (HdC) stars, e.g. R CrB, RY Sgr and XX Ca

APA, Harvard, Vancouver, ISO, and other styles

37

Osaki, Y., M. Hirose, and S. Ichikawa. "A Unified Model of Dwarf Nova Outbursts Based on the Disk Instability." International Astronomical Union Colloquium 134 (1993): 359–60. http://dx.doi.org/10.1017/s0252921100014469.

Full text

Abstract:

AbstractA unified model for outbursts of dwarf novae is proposed based on the disk instability model in cataclysmic variable stars. In this model, two different intrinsic instabilities (i.e., the thermal instability and the tidal instability) within accretion disks are considered in non-magnetic cataclysmic variable stars. It is suggested that all of three sub-classes of dwarf novae (i.e., U Gem-type, Z Cam-type and SU UMa-type dwarf novae) may be explained in terms of two model parameters of the orbital period of the binary and of the mass transfer rate within the framework of the disk instab

APA, Harvard, Vancouver, ISO, and other styles

38

Nemec, James M., and Paweł Moskalik. "Four ‘Peculiar’ RRd stars observed by K2." Monthly Notices of the Royal Astronomical Society 507, no. 1 (2021): 781–802. http://dx.doi.org/10.1093/mnras/stab1929.

Full text

Abstract:

ABSTRACT Four stars pulsating simultaneously with a dominant period PD ∈ (0.28, 0.39) d and an additional period PA ∈ (0.20, 0.27) d have been identified from among the more than 3000 RR Lyrae stars observed by the Kepler space telescope during NASA’s K2 Mission. All four stars are located in the direction of the Galactic Bulge and have period ratios, PA/PD, significantly smaller than those of most double-mode RR Lyrae (RRd) stars: PA/PD ∈ (0.694, 0.710) versus P1/P0 ∈ (0.726, 0.748). Three of the stars are faint (〈V〉 = 18–20 mag) and distant and are among the ‘peculiar’ RRd (pRRd) stars disco

APA, Harvard, Vancouver, ISO, and other styles

39

Adelman, Saul J., and Jason M. Sutton. "FCAPTuvbyPhotometry of the mCP Stars BN Cam, EP Vir, FF Vir, and HD 184905." Publications of the Astronomical Society of the Pacific 119, no. 857 (2007): 733–41. http://dx.doi.org/10.1086/520627.

Full text

APA, Harvard, Vancouver, ISO, and other styles

40

Koenig, Andreas, Julius Schmidtke, Leonie Schmohl, et al. "Characterisation of the Filler Fraction in CAD/CAM Resin-Based Composites." Materials 14, no. 8 (2021): 1986. http://dx.doi.org/10.3390/ma14081986.

Full text

Abstract:

The performance of dental resin-based composites (RBCs) heavily depends on the characteristic properties of the individual filler fraction. As specific information regarding the properties of the filler fraction is often missing, the current study aims to characterize the filler fractions of several contemporary computer-aided design/computer-aided manufacturing (CAD/CAM) RBCs from a material science point of view. The filler fractions of seven commercially available CAD/CAM RBCs featuring different translucency variants were analysed using Scanning Electron Microscopy (SEM) with Energy Disper

APA, Harvard, Vancouver, ISO, and other styles

41

Whittard, John D., Takeshi Sakurai, Melanie R. Cassella, Mihaela Gazdoiu, and Dan P. Felsenfeld. "MAP Kinase Pathway–dependent Phosphorylation of the L1-CAM Ankyrin Binding Site Regulates Neuronal Growth." Molecular Biology of the Cell 17, no. 6 (2006): 2696–706. http://dx.doi.org/10.1091/mbc.e06-01-0090.

Full text

Abstract:

The growth of neuronal processes depends critically on the function of adhesion proteins that link extracellular ligands to the cytoskeleton. The neuronal adhesion protein L1-CAM serves as a receptor for nerve growth–promoting proteins, a process that is inhibited by the interaction between L1-CAM and the cytoskeleton adaptor ankyrin. Using a novel reporter based on intramolecular bioluminescence resonance energy transfer, we have determined that the MAP kinase pathway regulates the phosphorylation of the FIGQY motif in the adhesion protein L1-CAM and its interaction with ankyrin B. MAP kinase

APA, Harvard, Vancouver, ISO, and other styles

42

HUNTER, Irene, Hiroki SAWA, Magnus EDLUND, and Björn ÖBRINK. "Evidence for regulated dimerization of cell-cell adhesion molecule (C-CAM) in epithelial cells." Biochemical Journal 320, no. 3 (1996): 847–53. http://dx.doi.org/10.1042/bj3200847.

Full text

Abstract:

C-CAM is a Ca2+-independent cell adhesion molecule (CAM) belonging to the immunoglobulin superfamily. Addition of chemical cross-linkers to isolated rat liver plasma membranes, intact epithelial cells and purified preparations of C-CAM stabilized one major C-CAM-containing product whose apparent molecular mass was approximately twice that of the C-CAM monomer. The failure to detect additional proteins after cleavage of the cross-linked species demonstrated that C-CAM exists as non-covalently linked dimers both in solution and on the cell surface. Dimerization occurred to the same extent in adh

APA, Harvard, Vancouver, ISO, and other styles

43

Singare, Se Kou, Li Wang, Shou Yan Zhong, Guang Hui Xu, Wei Ping Wang, and Jian Jun Zhou. "Fabrication of Maxillofacial Implant Using CAD CAM System." Advanced Materials Research 146-147 (October 2010): 353–56. http://dx.doi.org/10.4028/www.scientific.net/amr.146-147.353.

Full text

Abstract:

We present an approach that combines Computer Tomography (CT), reverse engineering (RE) and rapid prototyping (RP) for individual implant production in maxillofacial surgery. 3D acquisition of the patient’s skull is performed, after acquisition of data; an individual computer-based 3D model of the bony defect is generated. These data are transferred into RE software to create the implant using a computer-aided design (CAD) model, which is directed into the RP machine for the production of the physical model. The implant is then directly used in investment casting such as “Quick Cast” pattern t

APA, Harvard, Vancouver, ISO, and other styles

44

Dāboliņa, Inga, Ausma Viļumsone, Jānis Dāboliņš, and Dana Beļakova. "Usage of 3D Anthropometric Data in CAD/CAM Individual Measurement List." Advanced Materials Research 1117 (July 2015): 283–86. http://dx.doi.org/10.4028/www.scientific.net/amr.1117.283.

Full text

Abstract:

Computer aided designing software not only the possibility to speed up the process of putting a new model into production and improve the quality of the products, but also reduces material costs and labour intensity, ensuring an elastic change of the assortment. The designing of clothes includes a row of processes and one of the most time and labour consuming is constructing. A construction displays the layout (pattern) of the surface of the body (garment). As it depends on correct anthropometric data, it is very important to get ones right. The use of 3D surface scanning technologies to produ

APA, Harvard, Vancouver, ISO, and other styles

45

Finseth, Taylor Andrew, Jessica Louise Hedeman, Robert Preston Brown, Kristina I. Johnson, Matthew Sean Binder, and Benzi M. Kluger. "Self-Reported Efficacy of Cannabis and Other Complementary Medicine Modalities by Parkinson’s Disease Patients in Colorado." Evidence-Based Complementary and Alternative Medicine 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/874849.

Full text

Abstract:

Introduction. Complementary and alternative medicine (CAM) is frequently used by Parkinson’s disease (PD) patients. We sought to provide information on CAM use and efficacy in PD patients in the Denver metro area with particular attention to cannabis use given its recent change in legal status.Methods. Self-administered surveys on CAM use and efficacy were completed by PD patients identified in clinics and support groups across the Denver metro area between 2012 and 2013.Results. 207 patients (age69±11; 60% male) completed the survey. Responses to individual CAM therapy items showed that 85% o

APA, Harvard, Vancouver, ISO, and other styles

46

Sokolov, D. A., S. Yu Shugarov, and E. P. Pavlenko. "Long-Term Brightness Changes of Two CVs." International Astronomical Union Colloquium 158 (1996): 219–20. http://dx.doi.org/10.1017/s0252921100038690.

Full text

Abstract:

AbstractThe long-term light curves of the AM Her type binary BY Cam and the nova-like variable PG 2133+115 are presented. The BVR observations were carried out at a 0.5 m telescope equipped with a high sensitive TV tube superisocon (Abramenko et al. 1978), the UBV photoelectric data were obtained at 0.6 and 1.25 m telescopes and the photographic estimates were made from the negatives obtained at the 0.4 m astrograph in Crimea.Both stars show high and low brightness states. They show similar behaviour in some respects: the amplitude between high and low states was about two magnitudes in B, but

APA, Harvard, Vancouver, ISO, and other styles

47

Brohus, Malene, Mads T. Søndergaard, Sui Rong Wayne Chen, Filip van Petegem, and Michael T. Overgaard. "Ca2+-dependent calmodulin binding to cardiac ryanodine receptor (RyR2) calmodulin-binding domains." Biochemical Journal 476, no. 2 (2019): 193–209. http://dx.doi.org/10.1042/bcj20180545.

Full text

Abstract:

Abstract The Ca2+ sensor calmodulin (CaM) regulates cardiac ryanodine receptor (RyR2)-mediated Ca2+ release from the sarcoplasmic reticulum. CaM inhibits RyR2 in a Ca2+-dependent manner and aberrant CaM-dependent inhibition results in life-threatening cardiac arrhythmias. However, the molecular details of the CaM–RyR2 interaction remain unclear. Four CaM-binding domains (CaMBD1a, -1b, -2, and -3) in RyR2 have been proposed. Here, we investigated the Ca2+-dependent interactions between CaM and these CaMBDs by monitoring changes in the fluorescence anisotropy of carboxytetramethylrhodamine (TAMR

APA, Harvard, Vancouver, ISO, and other styles

48

EDWARDS, Robert A., Michael P. WALSH, Cindy SUTHERLAND, and Hans J. VOGEL. "Activation of calcineurin and smooth muscle myosin light chain kinase by Met-to-Leu mutants of calmodulin." Biochemical Journal 331, no. 1 (1998): 149–52. http://dx.doi.org/10.1042/bj3310149.

Full text

Abstract:

The effects of replacement of each of the individual Met in calmodulin (CaM) with Leu on the activation of two CaM target enzymes [smooth muscle myosin light chain kinase (smMLCK) and calcineurin (CN)] were investigated. The KD and Pmax (percentage maximal activation) values for activation of both enzymes by M76L-CaM were indistinguishable from wild-type (wt)-CaM, which is consistent with the location of Met-76 in the central linker that is not involved in target protein interaction. The other eight Met in CaM are exposed in the hydrophobic surfaces that are involved in target-enzymes binding,

APA, Harvard, Vancouver, ISO, and other styles

49

Fuller, J., D. W. Kurtz, G. Handler, and S. Rappaport. "Tidally trapped pulsations in binary stars." Monthly Notices of the Royal Astronomical Society 498, no. 4 (2020): 5730–44. http://dx.doi.org/10.1093/mnras/staa2376.

Full text

Abstract:

ABSTRACT A new class of pulsating binary stars was recently discovered, whose pulsation amplitudes are strongly modulated with orbital phase. Stars in close binaries are tidally distorted, so we examine how a star’s tidally induced asphericity affects its oscillation mode frequencies and eigenfunctions. We explain the pulsation amplitude modulation via tidal mode coupling such that the pulsations are effectively confined to certain regions of the star, e.g. the tidal pole or the tidal equator. In addition to a rigorous mathematical formalism to compute this coupling, we provide a more intuitiv

APA, Harvard, Vancouver, ISO, and other styles

50

Baker, N., B. Szeidl, M. Breger, et al. "27. Variable Stars." Transactions of the International Astronomical Union 19, no. 1 (1985): 277–311. http://dx.doi.org/10.1017/s0251107x00006398.

Full text

Abstract:

The field of variable-star research is so broad that no report of this nature could possibly mention all the papers that have appeared in the last three years. It is hoped, however, that the reviews below include the most important work and identify the most significant trends. This report comprises ten sections on as many different research topics, each written by a different member of Commission 27. In addition there are (in Section 12) three short reports about ongoing activities of the commission. The commission president is very grateful to the authors of the individual contributions who

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!