OGLE-2011-BLG-0462
Animated astrometric observations of the gravitational microlensing of OGLE-2011-BLG-0462/MOA-2011-BLG-191 | |
| Observation data Epoch 2455874.50236 (2011-11-09.00 UT) Equinox 2455874.50236 (2011-11-09.00 UT) | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 17h 51m 40.15s |
| Declination | −29° 53′ 26.2″ |
| Astrometry | |
| Radial velocity (Rv) | 134.0 km/s |
| Proper motion (μ) | RA: −2.210 mas/yr Dec.: −3.533 mas/yr |
| Distance | 5,000±490 ly (1,520±150 pc) |
| Details | |
| Mass | 7.15±0.83 M☉ |
| Radius | 21.1±2.5 km |
| Other designations | |
| MOA-2011-BLG-191 | |
| Database references | |
| SIMBAD | data |
OGLE-2011-BLG-0462, also known as MOA-2011-BLG-191, is a stellar-mass black hole isolated in interstellar space. OGLE-2011-BLG-0462 lies at a distance of 1,720 parsecs (5,610 light years) in the direction of the galactic bulge in the constellation Sagittarius. The black hole has a mass of about 6.03 M☉. OGLE-2011-BLG-0462 is the first truly isolated black hole which has been confirmed.