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Light Curve Investigation: BN Ari Eclipsing Binary

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Abstract

Investigation of changes in the light of a binary star with plotted light curves, which shows the variation of light during a periodic time, helps us to obtain useful information about the binary systems. In this article, by R-band photometric light curve modeling of BN Ari binary star (in 2015) which is located in Aries constellation, we plot related light curve, obtain new period for the system and calculate the rate of period changes. We also calculate a new ephemeris of such system by fitting a quadratic curve to the O–C values. Finally, we use the Wilson–Devinney code as implemented in the PHOEBE to simulate such a system, and obtain its specific geometrical and physical parameters.

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Acknowledgements

The authors wish to thank the anonymous referee for the constructive comments that enhanced the quality of this paper. We wish to thank Shiraz University Research Council. This work has been supported financially by the Research Institute for Astronomy and Astrophysics of Maragha, Iran.

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Authors and Affiliations

  1. Physics Department and Biruni Observatory, College of Sciences, Shiraz University, Shiraz, 71454, Iran

    S. H. Hendi, G. H. Bordbar & F. Bahrani

  2. Research Institute for Astronomy and Astrophysics of Maragha (RIAAM), P. O. Box 55134-441, Maragha, Iran

    S. H. Hendi & G. H. Bordbar

Authors
  1. S. H. Hendi
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  2. G. H. Bordbar
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  3. F. Bahrani
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Correspondence to S. H. Hendi.

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Hendi, S.H., Bordbar, G.H. & Bahrani, F. Light Curve Investigation: BN Ari Eclipsing Binary. Iran J Sci Technol Trans Sci 43, 2061–2068 (2019). https://doi.org/10.1007/s40995-019-00699-0

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  • DOI: https://doi.org/10.1007/s40995-019-00699-0

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