First multicolor photometry of 1SWASP J130111.22+420214.0 and 1SWASP J231839.72+352848.2
Abstract
The first multicolor observations and light curve solutions of the stars 1SWASP J130111.22+420214.0 and 1SWASP J231839.72+352848.2 are presented. The estimated physical parameters of 1SWASP J130111.22+420214.0 are M1 = 1.0M⊙ , M2 = 1.63M⊙ , R1 = 0.77R⊙ , R2 = 0.91R⊙ , L1 = 0.59L⊙ , and L2 = 0.68L⊙ . While a binary model could not be fitted to the light curve of 1SWASP J231839.72+352848.2, its Fourier series representation indicates that this system could well be a rotating ellipsoidal variable. The components of 1SWASP J130111.22+420214.0 are also compared to other well-known binary systems and their position in mass-radius plane and the Hertzsprung-Russel diagram are argued and possible evolutionary statuses are discussed.
- Publication:
-
New Astronomy
- Pub Date:
- August 2018
- DOI:
- 10.1016/j.newast.2018.03.002
- arXiv:
- arXiv:1803.07273
- Bibcode:
- 2018NewA...63...61U
- Keywords:
-
- Stars: binaries: eclipsing;
- Stars: binaries: close;
- Stars: fundamental parameters;
- Stars: individual:(1SWASP J130111.22+420214.0;
- 1SWASP J231839.72+352848.2);
- Astrophysics - Solar and Stellar Astrophysics
- E-Print:
- 17 pages, 5 figures. Accepted for publication in New Astronomy