An infrared FWHM-$K_2$ correlation to uncover highly reddened quiescent black holes

V. A. Cúneo, J. Casares, M. Armas Padilla +7

Among the sample of Galactic transient X-ray binaries (SXTs) discovered to date, about 70 have been proposed as likely candidates to host a black hole. Yet, only 19 have been dynam…