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- W2181849933 abstract "Abstract CCD photometry of the eclipsing W Uma binary system V523 Cas in U, B, V and RC filters was carried out during eight nights in 2012. The physical and geometrical parameters of this system are obtained. A possible pulsation period of one of the components is obtained by analyzing the residuals of the ephemeris light curve. Our observations contain 16 times of minimum light. We combined these with all available published times of minimum. By fitting a quadratic curve to the O-C values, a new ephemeris of the system is calculated. By attributing the period change to mass transfer, we find a mass transfer rate of 4 × 10 − 12 M ⊙ y r . Also, Period (80.58 yr) and the minimum mass (0.3 M⊙) of a possible third body is estimated. In addition, the possible existence of a fourth body with a mass of order 0.15 M⊙ is discussed. These third and fourth bodies could be low-mass main-sequence stars (red dwarfs)." @default.
- W2181849933 created "2016-06-24" @default.
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- W2181849933 date "2016-04-01" @default.
- W2181849933 modified "2023-09-27" @default.
- W2181849933 title "Period and light-curve study of the contact eclipsing binary V523 Cas" @default.
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- W2181849933 doi "https://doi.org/10.1016/j.newast.2015.10.001" @default.
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