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Review

Study of Eclipsing Binaries: Light Curves & O-C Diagrams Interpretation

Department of Astrophysics, Astronomy & Mechanics, Faculty of Physics, Panepistimiopolis, Zografos, Athens University, 15784 Athens, Greece
Galaxies 2020, 8(4), 78; https://doi.org/10.3390/galaxies8040078
Received: 10 October 2020 / Revised: 6 November 2020 / Accepted: 6 November 2020 / Published: 13 November 2020
The continuous improvement in observational methods of eclipsing binaries, EBs, yield more accurate data, while the development of their light curves, that is magnitude versus time, analysis yield more precise results. Even so, and in spite the large number of EBs and the huge amount of observational data obtained mainly by space missions, the ways of getting the appropriate information for their physical parameters etc. is either from their light curves and/or from their period variations via the study of their (O-C) diagrams. The latter express the differences between the observed, O, and the calculated, C, times of minimum light. Thus, old and new light curves analysis methods of EBs to obtain their principal parameters will be considered, with examples mainly from our own observational material, and their subsequent light curves analysis using either old or new methods. Similarly, the orbital period changes of EBs via their (O-C) diagrams are referred to with emphasis on the use of continuous methods for their treatment in absence of sudden or abrupt events. Finally, a general discussion is given concerning these two topics as well as to a few related subjects. View Full-Text
Keywords: eclipsing binaries; light curves analysis/synthesis; minima times and (O-C) diagrams eclipsing binaries; light curves analysis/synthesis; minima times and (O-C) diagrams
MDPI and ACS Style

Rovithis-Livaniou, H. Study of Eclipsing Binaries: Light Curves & O-C Diagrams Interpretation. Galaxies 2020, 8, 78. https://doi.org/10.3390/galaxies8040078

AMA Style

Rovithis-Livaniou H. Study of Eclipsing Binaries: Light Curves & O-C Diagrams Interpretation. Galaxies. 2020; 8(4):78. https://doi.org/10.3390/galaxies8040078

Chicago/Turabian Style

Rovithis-Livaniou, Helen. 2020. "Study of Eclipsing Binaries: Light Curves & O-C Diagrams Interpretation" Galaxies 8, no. 4: 78. https://doi.org/10.3390/galaxies8040078

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