Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Sagittarius |
Right ascension | 19h 45m 13.5s[1] |
Declination | −14° 45′ 12.9″[1] |
Apparent magnitude (V) | 18.96[2] |
Characteristics | |
Evolutionary stage | Wolf-Rayet |
Spectral type | WN4[3] |
U−B color index | -0.54[1] |
B−V color index | -0.17[1] |
Astrometry | |
Distance | 472,000[4] pc |
Absolute magnitude (MV) | −5.41[3] |
Details | |
Mass | 36[3] M☉ |
Radius | 3.77[3] R☉ |
Luminosity | 1,288,000[3] L☉ |
Temperature | 100,000[3] K |
Other designations | |
LGGS J194513.50-144512.9 | |
Database references | |
SIMBAD | data |
NGC 6822-WR 12 is a WN-type Wolf-Rayet star located in the galaxy NGC 6822, about 1.54 million light years away[4] in the constellation of Sagittarius. NGC 6822-WR 12 was the first Wolf-Rayet star to be discovered in the galaxy,[5] and is one of only four known in the galaxy.[6]
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