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astro-ph.SR2026
Stellar Parameters and Orbital Period Estimates for Composite-Spectrum sdB+MS Binaries from LAMOST
Jiangdan Li, Jianping Xiong, Jiao Li +5
Hot subdwarf (sdB) stars in binary systems with main-sequence (MS) companions provide valuable insights into mass transfer and envelope ejection processes in binary evolution. Thei…
astro-ph.SR2026
A Catalog of 45,206 Hα Emission-line Stars from LAMOST MRS DR7
Lihuan Yu, Jiangdan Li, Jinliang Wang +2
Stars that exhibit prominent emission lines in their spectra are referred to as emission-line stars, encompassing a wide range of stellar types and indicative of intriguing physica…