GRS 1124-683
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Musca |
| Right ascension | 11h 26m 26.60s |
| Declination | −68° 40′ 32.3″ |
| Apparent magnitude (V) | 13.3 |
| Spectral type | K3V-K7V |
| Other designations | |
| GU Mus, GRS 1124-683, 1RXS J112623.5-684040, Nova Muscae 1991 | |
| Database references | |
| SIMBAD | data |
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.