2 papers
astro-ph.SR2021
Post-merger evolution of double helium white dwarfs and distribution of helium-rich hot subdwarfs
Jinlong Yu, Xianfei Zhang, Guoliang Lv
The mergers of double helium white dwarfs are believed to form isolated helium-rich hot subdwarfs. Observation shows that the helium-rich hot subdwarfs can be divided into two subg…
astro-ph.SR2019
The formation of subdwarf A-type stars
Jinlong Yu, Zhenwei Li, Chunhua Zhu +6
Subdwarf A-type stars (sdAs) are objects that have hydrogen-rich spectra with surface gravity similar to that of hot subdwarf stars but effective temperature below the zero-age hor…