The “hidden” companion in LB-1 unveiled by spectral disentangling
The “hidden” companion in LB-1 unveiled by spectral disentangling
The intriguing binary LS V +22 25 (LB-1) has drawn much attention following claims of it being a single-lined spectroscopic binary with a 79-day orbit comprising a B-type star and a ~70 Msun black hole. Recent analyses have implied that the visible primary star is a stripped He-rich star. However, …