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 P - X-ray binaries

Name	Type	Mass	Spin	Companion	Reference
LMC X-1	EG XRB P	10.9±1.4	0.92+0.05—0.07		McClintock et al. (2014)
M33 X-7	EG XRB P	15.65±1.45	0.84±0.05		McClintock et al. (2014)
	EG XRB P				Torres et al. (2019)
	EG XRB P				Atri et al. (2020)