List of observed black holes

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All types BH-BH XRB XRB t XRB P EG XRB P EG XRB BH XRB nBHB S MW GC EG GC

EG XRB - X-ray binaries

Name	Type	Mass	Spin	Companion	Reference
LMC X-3	EG XRB	7.6±1.6	<0.3		McClintock et al. (2014)