First Multicolor Photometry of 1SWASP J130111.22+420214.0 and 1SWASP J231839.72+352848.2
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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 $M_1=1.0M_{\odot}$, $M_2=1.63M_{\odot}$, $R_1=0.77R_{\odot}$, $R_2=0.91R_{\odot}$, $L_1=0.59L_{\odot}$, and $L_2=0.68L_{\odot}$. 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.
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