4 papers
Spectroscopic and Decade-long Photometric Observations of the Contact Binary V2790 Ori: Evidence for a Brown Dwarf Companion and a Solar-like Magnetic Activity Cycle
Si-Rui Wang, Kai Li, Qi-Qi Xia +6
We present 22 sets of light curves and one radial velocity curve for the W UMa-type total eclipse contact binary system V2790 Ori, derived by combining all available public photome…
Using machine learning method for variable star classification using the TESS Sectors 1-57 data
Li-Heng Wang, Kai Li, Xiang Gao +2
The Transiting Exoplanet Survey Satellite (TESS) is a wide-field all-sky survey mission designed to detect Earth-sized exoplanets. After over four years photometric surveys, data f…
Search for and analysis of eclipsing binaries in the LAMOST Medium-Resolution Survey field. I. RA: , Dec: +343645
Jing-Yi Wang, Kai Li, Xiang Gao +7
Eclipsing binaries (EBs) play an important astrophysical role in studying stellar properties and evolution. By analyzing photometric data in the LAMOST Medium-Resolution Survey fie…
Photometric and Spectroscopic analysis of eight totally eclipsing contact binaries with small mass ratios
Li-Heng Wang, Kai Li, Ya-Ni Guo +4
This paper selected eight totally eclipsing contact binaries for photometric and spectroscopic studies, spectral data were analyzed by ULySS, and photometric data were analyzed usi…