2. Server
  3. Observed blackholes

    4. List of observed black holes

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

    XRB t - X-ray binaries

    Name Type Mass Spin Companion Reference
    XTEJ1819-254
    SAX J819.3-2525
    V4641 Sgr    		 XRB t 6.4±0.6 q=0.66 Gandhi et al. (2019)
    XTEJ1819-254
    SAX J819.3-2525
    V4641 Sgr    		 XRB t 6.4±0.6 B9III 67.6182±0.0002h Corral-Santana et al. (2016)
    XTEJ1819-254
    SAX J819.3-2525
    V4641 Sgr    		 XRB t 6.4±0.6 q=0.45±0.04 B9III 67.6h Tetarentko et al. (2016)
    XTEJ1819-254
    SAX J819.3-2525
    V4641 Sgr    		 XRB t 8.73—11.70 5.49—8.14 B9III 67.62 Porb Wiktorowicz et al. (2014)
    XTEJ1819-254
    SAX J819.3-2525
    V4641 Sgr    		 XRB t 8.7—11.7 q=0.63—0.70 B9III 2.81730(1)day Casares & Jonker (2014)