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Paper: Understanding the Evolution and Outbursts of Cataclysmic Variables Based on Photometric Observations
Volume: 451, 9th Pacific Rim Conference on Stellar Astrophysics
Page: 95
Authors: Qian, S.; Zhu, L.; Liao, W.; Liu, L.; Li, L.; He, J.; Zhao, E.; Dai, Z.; Zhang, J.; Li, K.; Wang, J.
Abstract: The evolution and outburst are two major topics in the field of cataclysmic variable stars (CVs). In this manuscript, I summarize some of the recent progresses of our research group at YNAO in two topics by monitoring nearly 50 eclipsing CVs and nearly 20 M-type short-period eclipsing binary stars for several years. Our scientific propose are: (1) understanding the evolution of CVs by statistical investigation of the changes of the orbital periods of eclipsing CVs; (2) investigating chromospheric activity on the mass-losing secondary star in CVs by monitoring the long-term variations of the light curve of some M-type eclipsing binaries (e.g., the detection of the most energetic flare observed in R-band); (3) investigating the properties of mass accretion in CVs by monitoring some magnetic CVs and then understanding physical mechanism that caused the outbursts of CVs.
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