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astro-ph.SR2026
Physical Parameters of 146 Contact Binaries Derived from Light and Radial Velocity Curves
Kai Li, Xiang Gao, Si-Rui Wang +1
We present a comprehensive analysis of 146 contact binaries using medium-resolution LAMOST spectra and photometric data from the All-Sky Automated Survey for SuperNovae (ASAS-SN) a…
astro-ph.SR2025
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…