GRS 1124-683

GU Muscae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Musca
Right ascension 11h 26m 26.60s[1]
Declination −68° 40′ 32.3″[1]
Apparent magnitude (V) 13.3[2]
Spectral typeK3V-K7V[1]
Other designations
GU Mus, GRS 1124-683, 1RXS J112623.5-684040, Nova Muscae 1991

The gamma-ray and X-ray source GRS 1124-683, discovered by the Granat mission and Ginga, is a system containing a black hole candidate. The system also goes by the name X-ray Nova Muscae 1991 or GU Muscae. These two orbiting X-ray telescopes discovered the system when the system produced an outburst of X-rays on January 9, 1991.

  1. ^ a b c "GU Mus". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 December 2016.
  2. ^ Liu, Q. Z. (2007). "A catalogue of low-mass X-ray binaries in the Galaxy, LMC, and SMC (Fourth edition)". Astronomy and Astrophysics. 469 (2): 807–810. arXiv:0707.0544. Bibcode:2007A&A...469..807L. doi:10.1051/0004-6361:20077303. S2CID 14673570. Retrieved 7 December 2016.