Photometry of an active Algol-type binary HP Aur |
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| Authors: | Liu Xuefu Cai Zhengdong Tan Huisong |
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| Institution: | (1) Department of Astronomy, Beijing Normal University, China;(2) Yunnan Observatory, Academia Sinica, China |
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| Abstract: | The short period Algol-type binary HP Aur has been studied on the basis ofUBV photometric observations. Its colour indexes were found to be (U-B)=0.14, (B-V)=0.70, and light curves show non-symmetrical and obvious photometric disturbances. Autoregressive spectral analysis and harmonic analysis for its light variations were made. The results indicate its brightness variations have the multiplet quasi-periods and low amplitudes. Its photometric solutions have been obtained using the Wilson-Devinney method. Its mass ratio is 0.5631, orbital inclination is 85.0 and it is a detached system. Its basic model has been discussed briefly. |
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