Detection of hot subdwarf binaries and sdB stars using machine learning methods and a large sample of Gaia XP spectra

M. Ambrosch, C. Viscasillas Vázquez, E. Solano +10

Hot subdwarfs (hot sds) are compact, evolved stars near the Extreme Horizontal Branch (EHB) and are key to understanding stellar evolution and the ultraviolet excess in galaxies. W…