Absolute parameters and physical nature of two W-UMa type binaries: V1123 Tau and V1128 Tau |
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| Authors: | Xiao-Bin Zhang An-Bin Ren Chang-Qing Luo Yang-Ping Luo |
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| Institution: | Xiao-Bin Zhang1,An-Bin Ren1,2,Chang-Qing Luo3 and Yang-Ping Luo3 1 National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China,2 Institute of Theoretical Physics,China West Normal University,Nanchong 637002,China 3 National Astronomical Observatories /Yunnan Observatory,Kunming 650011 |
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| Abstract: | We present high-precision,multi-band CCD photometry of two less-studied close binaries V1123 Tau and V1128 Tau.Complete covered light curves and a number of new times of light minima of the two eclipsing systems were obtained,based on which,revised orbital elements and new ephemerides were given.By adopting the Wilson-Devinney method,the light curves were analyzed.The photometric solutions confirm the W UMa-type nature of the binary systems.With the less-massive secondary slightly cooler than the primary,V1... |
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