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Discovery of a Faint Eclipsing Binary GSC 02265-01456

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Abstract

When observing the transiting extrasolar planets, we found a new eclipsing binary named GSC 02265-01456. The V and R c observations were carried out for this binary. The photometric light curves of the two bands were simultaneously analyzed using the W–D code. The solutions show that GSC 02265-01456 is an extremely low mass ratio (q=0.087) overcontact binary system with a contact degree of f=82.5%. The difference between the two maxima of the light curve can be explained by a dark spot on the primary component.

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Notes

  1. IRAF is distributed by the National Optical Astronomy Observatories, which is operated by the Association of Universities for Research in Astronomy Inc., under contract to the National Science Foundation.

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Acknowledgements

This work is partly supported by the National Natural Science Foundation of China (Nos 11203016, U1431105), the Natural Science Foundation of Shandong Province (No. ZR2014AQ019), the Basic Research Program of Shandong University atWeihai (No. 2015ZQXM013), and by the Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects (No. OP201303). The authors would like to thank the referee for very helpful suggestions and comments.

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Authors and Affiliations

  1. Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, 264209, China

    D. F. Guo, K. Li, S. M. Hu, Y. G. Jiang, D. Y. Gao & X. Chen

  2. Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Beijing, China

    K. Li

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  1. D. F. Guo
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  2. K. Li
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  3. S. M. Hu
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  4. Y. G. Jiang
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  5. D. Y. Gao
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  6. X. Chen
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Correspondence to K. Li.

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Guo, D.F., Li, K., Hu, S.M. et al. Discovery of a Faint Eclipsing Binary GSC 02265-01456. J Astrophys Astron 36, 399–407 (2015). https://doi.org/10.1007/s12036-015-9341-1

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  • DOI: https://doi.org/10.1007/s12036-015-9341-1

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