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Physical Properties and Evolutionary States of EA-type Eclipsing Binaries Observed by LAMOST
S. -B. Qian, J. Zhang, J. -J. He +5
About 3196 EA-type binaries (EAs) were observed by LAMOST by June 16, 2017 and their spectral types were derived. Meanwhile stellar atmospheric parameters of 2020 EAs were determin…
The extraneous eclipses on binary light curves: KIC 5255552, KIC 10091110, and KIC 11495766
J. Zhang, S. B. Qian, S. M. Wang +3
Aims. We aim to find more eclipsing multiple systems and obtain their parameters, thus increasing our understanding of multiple systems. Methods. The extraneous eclipses on the \te…
Two twin binaries with nearly identical components: KIC 4826439 and KIC 6045264
Jia Zhang, Sheng-Bang Qian, Shu-Min Wang +2
Two twin binaries, KIC 4826439 and KIC 6045264, with very similar component stars were found photometrically based on eclipsing binary light curves. The absolute…
Physical Properties and Catalogue of EW-type Eclipsing Binaries Observed by LAMOST
S. -B. Qian, J. -J. He, J. Zhang +4
Numerous EWs were discovered by several deep photometric survey and there are about 40785 EW-type binary systems listed in the international variable star index (VSX) by March 13,…