Orbital solution and evolutionary state for the eclipsing binary 1SWASP J080150.03+471433.8

M. S. Darwish; M. M. Elkhateeb; M. I. Nouh; S. M. Saad; M. A. Hamdy; M. M. Beheary; K. Gadallah; I. Zaid

doi:10.1016/j.newast.2016.07.007

Orbital solution and evolutionary state for the eclipsing binary 1SWASP J080150.03+471433.8

Solar and Stellar Astrophysics 2016-07-27 v1

Authors: M. S. Darwish , M. M. Elkhateeb , M. I. Nouh , S. M. Saad , M. A. Hamdy , M. M. Beheary , K. Gadallah , I. Zaid

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Abstract

We present an orbital solution study for the newly discovered system 1SWASP J080150.03+471433.8 by means of new CCD observations in VRI bands. Our observations were carried out on 25 Feb. 2013 using the Kottamia optical telescope at NRIAG, Egypt. 12 new times of minima were estimated and the observed light curves were analysed using the Wilson-Devinney code. The accepted orbital solution reveals that the primary component of is more massive and hotter than the secondary one by about 280K. The system is an over-contact one with fillout ratio ~ 29% and is located at a distance of 195 Pc. The evolutionary status of the system is investigated by means of stellar models and empirical data.

Keywords

eclipsing binary stars cataclysmic variable orbital periods stellar and substellar companions

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@article{arxiv.1606.07510,
  title  = {Orbital solution and evolutionary state for the eclipsing binary 1SWASP J080150.03+471433.8},
  author = {M. S. Darwish and M. M. Elkhateeb and M. I. Nouh and S. M. Saad and M. A. Hamdy and M. M. Beheary and K. Gadallah and I. Zaid},
  journal= {arXiv preprint arXiv:1606.07510},
  year   = {2016}
}

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14 pages, 7 figures and 5 tables

Orbital solution and evolutionary state for the eclipsing binary 1SWASP J080150.03+471433.8

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