Relevant bibliographies by topics / Photometric study

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Photometric study'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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Journal articles on the topic "Photometric study"

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Sun, Mingxu, Bingqiu Chen, Helong Guo, He Zhao, Ming Yang, and Wenyuan Cui. "SPar: Estimating Stellar Parameters from Multiband Photometries with Empirical Stellar Libraries." Astronomical Journal 166, no. 3 (2023): 126. http://dx.doi.org/10.3847/1538-3881/ace5ab.

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Abstract Modern large-scale photometric surveys have provided us with multiband photometries of billions of stars. Determining the stellar atmospheric parameters, such as the effective temperature (T eff) and metallicities ([Fe/H]), absolute magnitudes (M G ), distances (d), and reddening values (E(G BP − G RP)) is fundamental to study the stellar populations, structure, kinematics, and chemistry of the Galaxy. This work constructed an empirical stellar library that maps the stellar parameters to multiband photometries from a data set with Gaia parallaxes, LAMOST atmospheric parameters, and op
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Aathil, Abdullah Mohamed. "Review on Photometric Study of Variable Stars." Acceleron Aerospace Journal 2, no. 6 (2024): 316–28. http://dx.doi.org/10.61359/11.2106-2425.

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This literature review focuses on variable stars, which exhibit changes in brightness over time. This topic is vital in astronomical research, particularly due to the abundance of telescope data available in archives. The photometric study of variable stars is significant for understanding stellar evolution, classifying stars, and contributing to cosmological research. It enables precise distance measurements, examines exoplanetary systems, and identifies rare astronomical phenomena, thereby expanding our understanding of the universe. The study begins by outlining the fundamentals of variable
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Lee, Bomee, and Ranga-Ram Chary. "Improved photometric redshifts with colour-constrained galaxy templates for future wide-area surveys." Monthly Notices of the Royal Astronomical Society 497, no. 2 (2020): 1935–45. http://dx.doi.org/10.1093/mnras/staa2100.

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ABSTRACT Cosmology and galaxy evolution studies with LSST, Euclid, and Roman, will require accurate redshifts for the detected galaxies. In this study, we present improved photometric redshift estimates for galaxies using a template library that populates three-colour space and is constrained by HST/CANDELS photometry. For the training sample, we use a sample of galaxies having photometric redshifts that allows us to train on a large, unbiased galaxy sample having deep, unconfused photometry at optical-to-mid infrared wavelengths. Galaxies in the training sample are assigned to cubes in 3D col
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ČAVLOVIĆ, ANKA OZANA, and IVAN BEŠLIĆ. "APPLICATION OF PHOTOMETRY IN DETERMINING THE DUST MASS CONCENTRATION OF HARDWOODS." WOOD RESEARCH 66(4) 2021 66, no. 4 (2021): 678–88. http://dx.doi.org/10.37763/wr.1336-4561/66.4.678688.

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Given the carcinogenicity of hardwood dust, the aim of this study was to determine the effectiveness of the photometric method for different types of woodworking machines and its application in determining the mass concentration of inhalable dust for raw and dry hardwoods. In addition to the optical part of the device, the input part of the measuring device contains the Institute of Occupational Medicine (IOM) inhalable dust filter holder. This correlation of gravimetric and photometric methods in determining the dust mass concentration showed that photometry underestimates the mass concentrat
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Krugly, Yu N., N. M. Gaftonyuk, I. N. Belskaya, et al. "Kharkiv study of near-Earth asteroids." Proceedings of the International Astronomical Union 2, S236 (2006): 385–90. http://dx.doi.org/10.1017/s174392130700347x.

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AbstractThe regular CCD observations of near-Earth asteroids (NEAs) in the Institute of Astronomy of Kharkiv National University were initiated in 1995 within the framework of asteroid hazard problem in collaboration with the DLR, Institute of Planetary Research (Berlin). The main aim of the study is a determination of rotation periods and shapes of NEAs as well as astrometry of newly discovered objects. We also carry out the absolute photometry of NEAs in BVRI bands in order to put constraints on surface properties and to estimate their diameters. The observations are carried out with 0.7-m t
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Jeong, Hyeon, Soogyum Kim, Euijoon Lee, Hyunmin Ko, and Ho Lee. "Photometric Observations of Open Clusters Using Mobile Phone Camera." Korean Science Education Society for the Gifted 17, no. 1 (2025): 148–55. https://doi.org/10.29306/jseg.2025.17.1.148.

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This study explores the feasibility of conducting photometric observations using mobile phones in combination with small telescopes. For this study photometric observations of the open cluster M45 (Pleiades) were carried out using a mobile phone camera mounted on a small telescope. Due to the limited full well capacity of the mobile sensor, stacking multiple short-exposure images proved more effective than long-exposure imaging for determining the magnitudes of a greater number of stars. To place the data on a standard photometric scale, Bayer filter magnitudes derived from the mobile phone we
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Rios-Venegas, C., A. Contreras-Quijada, N. Vogt, et al. "Revisiting the post-common-envelope binaries HZ 9, KV Vel and Abell 65." Monthly Notices of the Royal Astronomical Society 493, no. 1 (2020): 1197–203. http://dx.doi.org/10.1093/mnras/staa331.

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ABSTRACT New time-resolved photometric observations of three close but detached white dwarf/red dwarf binaries have enabled an in-depth analysis of their properties, combining new data with known information. For HZ 9, time-resolved photometric data have not been published previously. Our data reveal sinusoidal variations, with the orbital period showing unusual phase shifts between expected and observed light maximum epochs when combining our photometry with the precise radial velocity ephemeris. There are also variations of the photometric amplitude between 0.04 and 0.11 mag. Phase shifts an
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Larionova, Kira O., and Sergey V. Stetsky. "The Influence of Multi-Storey Surrounding Development on a Daylighting of Interiors in Top-Lit Premises: An Experimental Study." Light & Engineering, no. 02-2023 (April 2023): 30–38. http://dx.doi.org/10.33383/2023-006.

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To ensure a required daylight in premises with top system of outdoor illumination through roof lighting installations, it is necessary to take into account the photometrical effects of surrounding development. For the time being such a concept in lighting engineering design is adopted only for side lit premises through windows, though the dense urban development in modern megalopolises offers nearly the same problem for buildings with overhead daylighting system. This paper presents a brief description of experimental case studies, based on the scale model method, as well as on the photometric
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Mantegazza, L., та E. Poretti. "Insights into the Pulsational Behaviour of δ Sct Stars". International Astronomical Union Colloquium 155 (1995): 337–38. http://dx.doi.org/10.1017/s0252921100037386.

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Extensive photometric monitoring of bright δ Scuti stars, made in the last years, allowed us to get reliable frequency determinations also in very complicated cases. Table 1 gives a full description of our photometric targets. Recently, we realized that combining photometry with simultaneous high resolution spectroscopy, in order to study line profile variations, offers the possibility to perform a much more reliable mode identification. Hence, the photometric runs of FG Vir, X Cae, HD 2724 were paired with spectroscopic ones obtained at the Coudé Auxiliary Telescope (ESO, La Silla, Chile). Th
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Vioque, M., R. D. Oudmaijer, D. Baines, I. Mendigutía, and R. Pérez-Martínez. "Gaia DR2 study of Herbig Ae/Be stars." Astronomy & Astrophysics 620 (December 2018): A128. http://dx.doi.org/10.1051/0004-6361/201832870.

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Aims. We use Gaia Data Release 2 (DR2) to place 252 Herbig Ae/Be stars in the Hertzsprung–Russell diagram and investigate their characteristics and properties. Methods. For all known Herbig Ae/Be stars with parallaxes in Gaia DR2, we collected their atmospheric parameters and photometric and extinction values from the literature. To these data we added near-infrared and mid-infrared photometry, and collected Hα emission line properties such as equivalent widths and line profiles, and their binarity status. In addition, we developed a photometric variability indicator from Gaia’s DR2 informatio
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Dissertations / Theses on the topic "Photometric study"

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Patel, Parimal. "A Photometric Study of Brightest Cluster Galaxies and Intracluster Light." Thesis, University of Nottingham, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.489891.

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Using deep Band r imaging of a sample of 26 clusters, we model the surface brightness of the central cD galaxies in each cluster using two-dimensional analytical fits. We find strong evidence, using X2 tests and an analysis of Petrosian profiles, for two components in the surface brightness profile and identify the outer component as being produced by unbound stars orbiting in the global cluster potential. We measure the structural properties of this intracluster light (ICL), as well as its luminosity, colour and spatial distribution and compare these with cluster masses and radii derived from
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Watson, Lyndon. "A photometric and spectroscopic study of selected southern, chromospherically active stars." Thesis, University of Canterbury. Astronomy, 1999. http://hdl.handle.net/10092/5718.

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The results of a combined photometric and high-resolution spectroscopic study of southern active-chromosphere stars selected from the ROSAT Bright Source Catalogue are presented. The star CS Ceti (HD 6628) is shown to be a single-lined spectroscopic binary and an orbital solution derived from radial-velocity measurements is presented. Evidence that one of the stars is an F-type dwarf and the other a highly active G-type subgiant is presented, together with information on the apparently asynchronous rotation of the latter and the spatial origin of its Hα emission. The system BB Sculptoris (HD
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Mazur, Brian. "A Photometric And Spectroscopic Study of Orion: From OB1b to Binaries." University of Toledo / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1547208240532891.

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Carroll, Carla June. "A Feasibility Study of Photometric Reverberation Mapping with Meter-Class Telescopes." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5469.

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For the past several decades, mass estimates for supermassive black holes hosted by active galactic nuclei (AGN) have been made with the reverberation mapping (RM) technique. This methodology has produced consistent results and has been used to establish several relations that link the characteristics of the host galaxy to the mass of the central black hole. Despite this success, there are less than 50 AGN with black hole masses derived from RM. This low number is generally attributed to the difficulties in coordinating large blocks of telescope time for making simultaneous photometric and spe
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Cocozza, Gabriele <1974&gt. "A spectroscopic and photometric study of MSP companions in Galactic Globular Clusters." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/631/1/Tesi_Cocozza_Gabriele.pdf.

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This Thesis is devoted to the study of the optical companions of Millisecond Pulsars in Galactic Globular Clusters (GCs) as a part of a large project started at the Department of Astronomy of the Bologna University, in collaboration with other institutions (Astronomical Observatory of Cagliari and Bologna, University of Virginia), specifically dedicated to the study of the environmental effects on passive stellar evolution in galactic GCs. Globular Clusters are very efficient “Kilns” for generating exotic object, such as Millisecond Pulsars (MSP), low mass X-ray binaries(LMXB) or Blue S
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Cocozza, Gabriele <1974&gt. "A spectroscopic and photometric study of MSP companions in Galactic Globular Clusters." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/631/.

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This Thesis is devoted to the study of the optical companions of Millisecond Pulsars in Galactic Globular Clusters (GCs) as a part of a large project started at the Department of Astronomy of the Bologna University, in collaboration with other institutions (Astronomical Observatory of Cagliari and Bologna, University of Virginia), specifically dedicated to the study of the environmental effects on passive stellar evolution in galactic GCs. Globular Clusters are very efficient “Kilns” for generating exotic object, such as Millisecond Pulsars (MSP), low mass X-ray binaries(LMXB) or Blue S
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Pohlen, Michael. "The radial structure of galactic stellar disks surface photometric study on disk galaxies /." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=964128535.

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Kindl, Enrico. "A photometric and morphological study of compact groups of galaxies and their environments." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/30722.

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This thesis examines properties of galaxies in and around compact groups. Astrometry, photometry and morphological classifications are derived from CCD images for all 463 galaxies in Hickson's sample of 100 compact groups. Some minor revisions to the membership of the original catalog are made. At high galactic latitude (b > 30°), the catalog is estimated to be 90% complete for groups with total B[formula omitted] magnitude 13.0 or less. 49% of all the catalogued galaxies, and 48% of first-ranked galaxies are spiral. No significant difference is found between the distribution of morphological
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Cluver, Michelle E. "Probing distant clusters : a pre-SALT photometric study of intermediate redshift galaxy cluster." Master's thesis, University of Cape Town, 2005. http://hdl.handle.net/11427/4415.

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tundo, elena. "Supermassive Black Holes: a spectroscopic and photometric study on the connection with their host galaxies." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3426936.

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One of the main themes in extragalactic astronomy for the next decade will be the evolution of galaxies over cosmic time. It has, however, become clear that the properties and the evolution of galaxies are intimately linked to the growth of their Supermassive Black Holes (SMBH). Understanding the formation of galaxies, and their subsequent evolution, will therefore be incomplete without clearifing the connection between the SMBHs and their host galaxies. The formation, assembly history, and environmental impact of the SMBHs that are ubiquitous in the nuclei of luminous galaxy rema
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Books on the topic "Photometric study"

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Ortiz, Patricio F. A CCD BVRI photometric study of star clusters in the Large Magellanic Cloud. University of Toronto, Dept. of Astronomy, 1992.

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United States. National Aeronautics and Space Administration., ed. A study of a multi-pinned phase CCD detector for use as a star tracker: Final report, July 21, 1994. National Aeronautics and Space Administration, 1994.

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Ortiz, Patricio Fredy. A CCD BVRI photometric study of star clusters in the large Magellanic Cloud. 1992.

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Kopal, Zdenek, and E. B. Carling. Photometric and Spectroscopic Binary Systems: Proceedings of the NATO Advanced Study Institute Held at Maratea, Italy, June 1-14 1980. Springer, 2012.

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Kopal, Zdenek, and E. B. Carling. Photometric and Spectroscopic Binary Systems: Proceedings of the NATO Advanced Study Institute Held at Maratea, Italy, June 1-14 1980. Springer, 2011.

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Zavagno, Daniele, and Olga Daneyko. The Glare Effect. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780199794607.003.0061.

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The glare effect consists in a strong brightness enhancement of a bright region determined solely by the presence of linear luminance gradients organized in such a way that the bright ends of the gradients delimit the bright region. The effect is obtained with both achromatic and chromatic gradients. In its achromatic version, the illusion has been employed to study the perception of luminosity and the effects of brightness on lightness in simultaneous contrast configurations. The role of photometric gradients and their distribution in space are discussed, with demos showing how luminance grad
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Anonyma. Practical Photometry: A Guide to the Study of the Measurement of Light. Franklin Classics, 2018.

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Anonyma. Practical Photometry: A Guide to the Study of the Measurement of Light. Franklin Classics, 2018.

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Anonyma. Practical Photometry: A Guide to the Study of the Measurement of Light. Franklin Classics Trade Press, 2018.

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Anonyma. Practical Photometry: A Guide to the Study of the Measurement of Light. Franklin Classics Trade Press, 2018.

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Book chapters on the topic "Photometric study"

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Sánchez-Bajo, F., P. Merchán Benítez, and M. Jurado Vargas. "Photometric Study of GSC 4832.400." In Highlights of Spanish Astrophysics III. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-1778-6_148.

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Akan, M. C. "A Photometric Study of UV Piscium." In Active Close Binaries. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0679-2_45.

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Bakos, Gustav A., and Jozef Tremko. "Photometric and Spectroscopic Study of δ2 Lyrae." In Instrumentation and Research Programmes for Small Telescopes. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-010-9433-7_83.

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Abhyankar, K. D., and M. L. Vyas. "Photometric Study of Two Southern Algol Type Binaries." In Algols. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2413-0_66.

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Yamagata, Tomohiko, and Hideo Maehara. "A Photometric Study of Poor Clusters of Galaxies." In Third Asian-Pacific Regional Meeting of the International Astronomical Union. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4496-1_74.

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Niarchos, P. G., and V. N. Manimanis. "A Photometric Study of Selected Near-Contact Binary Systems." In Astrophysics and Space Science Library. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-0403-8_21.

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Martín, E. L., H. Deeg, M. Chevreton, et al. "Planets in CM Draconis: A Multi-Site Photometric Search." In Infrared Space Interferometry: Astrophysics & the Study of Earth-Like Planets. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5468-0_9.

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Cai, Kai, Richard H. Durisen, and Constantine P. Deliyannis. "WIYN Open Cluster Study: Photometric Determination of Binary Mass Ratios." In Astrophysics and Space Science Library. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-0403-8_45.

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Álvarez-Álvarez, M., Á. I. Díaz, and M. Castellanos. "A Photometric Study of Circumnuclear Star Forming Rings: Hα Results." In Highlights of Spanish Astrophysics III. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-1778-6_105.

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Álvarez-Álvarez, M., Á. I. Díaz, and M. Castellanos. "A Photometric Study of Circumnuclear Star Forming Rings: Broad Band Data." In Highlights of Spanish Astrophysics III. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-1778-6_46.

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Conference papers on the topic "Photometric study"

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Al-Qallaf, Mohammed S., and Said S. Al-Jaroudi. "Corrosion Related Gas Compressor Vibration (Case Study)." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11355.

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Abstract This paper presents a case study of corrosion related gas compressor vibration problem observed at one of Saudi Aramco gas compression plants. Investigation revealed that the high vibration was mainly due to corrosion product deposition on the compressor internals. Accumulation of the solids on the compressor rotor caused high vibration and consequently tripped the compressor. The corrosion products were characterized by photometric and potentiometric analyses, Inductive Couple Plasma (ICP), X-ray Diffraction (XRD) and their morphology was observed by Scanning Electron Microscopy (SEM
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Leach, David G., Wei Wang, Chao Yan, Dillon Mattis, Ron MacLeod, and Wei Wei. "Molecular Deep Dive into Oilfield Microbiologically Influenced Corrosion: a Detailed Case Study of MIC Failure Analysis in an Unconventional Asset." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17948.

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Abstract This work details a microbiologically influenced corrosion (MIC) failure analysis case study for a produced water pipeline. A pipeline in a shale and tight asset experienced heavy corrosion and ultimate failure within a 7-month period, with estimated corrosion rate at 161 mils per year (MPY), or 4.1 mm per year (MMPY). Upon removal by the inspection team, heavy white deposit buildup (a suspected microbial biofilm) was observed directly associated with the corrosion failure on top of a black scale underlayer. Detailed assessments were performed using ATP photometry, qPCR speciation, an
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Broussard, Zach, Timothy J. Tidwell, Renato De Paula, and Victor Keasler. "Determining Biocide Selection and Dosage Recommendation via Planktonic and Sessile Kill Studies and Subsequent Biofilm Regrowth: a Case Study." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09802.

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Abstract A three-phase production system in the North Sea was experiencing multiple leaks in the topside separation facilities. A root cause analysis, using a combination of ATP photometry and DNA-based techniques, was performed and the underlying source responsible for the failures was determined to be microbially influenced corrosion. To control the microbial contamination in the system, an initial planktonic kill study was performed to select the best possible biocides to provide immediate microbial mitigation to the field. Upon implementation, resulting field data indicated effective initi
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Chazov, N. A. "Photometric Study of The Eclipsing Polar GPX-TF16E-48." In 52-st All-Russian with international participation student scientific conference "Physics of Space". Ural University Press, 2025. https://doi.org/10.15826/b978-5-7996-3986-0.81.

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The results of photometric observations of the eclipsing polar GPX-TF16E-48 on the RoboPhot telescope of the Ural Federal University from November 2023 to April 2024 are presented, as well as photometric data obtained on the Acton Sky Portal telescope and the TESS orbital telescope. Assumptions are made about the reasons for the variability of the light curve, and the degree of synchronization of the system is assessed.
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Özalp, G. Z., and B. Özkardeş. "Photometric study of the eclipsing binary ET Psc." In 9TH INTERNATIONAL PHYSICS CONFERENCE OF THE BALKAN PHYSICAL UNION (BPU-9). AIP Publishing LLC, 2016. http://dx.doi.org/10.1063/1.4944138.

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Mutafov, Asen S., Evgeni H. Semkov, Sunay I. Ibryamov, and Stoyanka P. Peneva. "Long-time photometric study of UX Orionis stars." In 10th Jubilee International Conference of the Balkan Physical Union. Author(s), 2019. http://dx.doi.org/10.1063/1.5091218.

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Voloshina, Irina, Tatiana Khruzina, and Vladimir Metlov. "Photometric study of eclipsing dwarf nova EX Dra." In The Golden Age of Cataclysmic Variables and Related Objects V. Sissa Medialab, 2021. http://dx.doi.org/10.22323/1.368.0010.

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Valcheva, Antoniya, Petko Nedialkov, Olga Sholukhova, Nikolay Tikhonov, Milen Minev, and Andon Kostov. "PHOTOMETRIC ANALYSIS OF THE VARIABILITY OF LBV STARS AND CANDIDATES IN IC 342." In XIV Serbian-Bulgarian Astronomical Conference. Astronomical Observatory, 2024. http://dx.doi.org/10.69646/14sbac50a.

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Luminous blue variables are a class of massive, unstable stars that exhibit significant photometric variability. Their variability can be linked to their significant mass-loss rates, envelope instabilities and sometimes binarity. These factors can affect the star's brightness and spectrum. LBVs are relatively rare, so studying their variability is challenging. To understand their different types of photometric variability, continuous long-term observations are needed.In this study, we present the analysis of the optical light curves of LBV stars and LBV candidates in the galaxy IC 342. Our obs
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Yıldırım, Muhammed Faruk, and Faruk Soydugan. "Photometric study of a marginal contact binary SY Hor." In TURKISH PHYSICAL SOCIETY 32ND INTERNATIONAL PHYSICS CONGRESS (TPS32). Author(s), 2017. http://dx.doi.org/10.1063/1.4976458.

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Gorosabel, J. "Photometric study of the improved GRB 970815 error box." In The fifth huntsville gamma-ray burst symposium. AIP, 2000. http://dx.doi.org/10.1063/1.1361557.

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Reports on the topic "Photometric study"

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Brincat, Stephen M., Charles Galdies, Grech Winston, Tavakkoli Fereshte, and Kevin Hills. A photometric study of the active EW/RS binary star system: GSC 05586-00371. Peeref, 2023. http://dx.doi.org/10.54985/peeref.2301p9083564.

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Meyer, Erik, and Erik Meyer. Night skies data report: Photometric assessment of night sky quality at Haleakal? National Park. National Park Service, 2024. http://dx.doi.org/10.36967/2305714.

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This report characterizes night sky conditions in Haleakal? National Park (HALE) using measurements made in the park unit and models of regional conditions based on satellite data. Calibrated night sky imagery was obtained to characterize the night sky at 2 sites. These ground-based observations were collected on 3 nights from 2012-06-12 to 2012-06-14. Satellite data from 2022 was used to create a map of predicted night sky conditions in and around the park. The sky overhead remains pristine with the average zenith brightness of 21.78 mag/arcsec2. We estimate more than 98% of stars were still
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Lorenzon, Wolfgang, and Michael Schubnell. Precision Photometry to Study the Nature of Dark Energy. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1004171.

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