BAT99-98
NGC 2070; full-size image is annotated | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Dorado |
| Right ascension | 05h 38m 39.144s |
| Declination | −69° 06′ 21.30″ |
| Apparent magnitude (V) | 13.38 |
| Characteristics | |
| Evolutionary stage | Wolf–Rayet |
| Spectral type | WN6 |
| B−V color index | -0.10 |
| Astrometry | |
| Proper motion (μ) | RA: 1.680 mas/yr Dec.: 0.512 mas/yr |
| Parallax (π) | 0.0288±0.0159 mas |
| Distance | 165,000 ly (50,600 pc) |
| Absolute magnitude (MV) | −8.11 |
| Absolute bolometric magnitude (Mbol) | −12.0 |
| Details | |
| Mass | 226 (highly uncertain) M☉ |
| Radius | 37.5 R☉ |
| Luminosity | 5,012,000 L☉ |
| Luminosity (visual, LV) | 141,000 L☉ |
| Temperature | 45,000 K |
| Other designations | |
| Brey 79, NGC 2070 MEL J, SSTISAGEMC J053839.14-690621.2, BAT99 98, LMC AB12, Melnick 49, 2MASS J05383914-6906211, UCAC4 105‑014273 | |
| Database references | |
| SIMBAD | data |
BAT99-98 is a Wolf–Rayet star located in the Large Magellanic Cloud, in NGC 2070 near the R136 cluster in the Tarantula Nebula (30 Doradus). At estimates of 226 M☉ and 5,012,000 L☉, it is one of the most massive known stars, and close to one of the most luminous stars currently known.