NGC 3603-B
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Carina |
| Right ascension | 11h 15m 07.41s |
| Declination | −61° 15′ 38.6″ |
| Apparent magnitude (V) | 11.33 |
| Characteristics | |
| Spectral type | WN6h+WN6h[1] |
| Apparent magnitude (B) | 12.34 |
| Apparent magnitude (J) | 7.78 |
| Apparent magnitude (H) | 7.70 |
| Apparent magnitude (K) | 7.08 |
| B−V color index | 1.01 |
| Astrometry | |
| Proper motion (μ) | RA: 2.4 mas/yr Dec.: 2.8 mas/yr |
| Distance | 24,500 ly (7,600[1] pc) |
| Absolute magnitude (MV) | –7.77±0.27[1] |
| Details | |
| Mass | 132[1] M☉ |
| Radius | 34[1] R☉ |
| Luminosity | 2,900,000[1] L☉ |
| Temperature | 42,000[1] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
NGC 3603-B is the most massive star in NGC 3603, about 20,000 light years from Earth. It is one of the most luminous stars known and also one of the most massive. The projected initial mass is 166 M☉, stretching current theories of star formation. It is a Wolf-Rayet star and part of the multi-star system HD 97950.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Crowther, P. A.; Schnurr, O.; Hirschi, R.; Yusof, N.; Parker, R. J.; Goodwin, S. P.; Kassim, H. A. (2010). "The R136 star cluster hosts several stars whose individual masses greatly exceed the accepted 150 M⊙ stellar mass limit". Monthly Notices of the Royal Astronomical Society 408 (2): 731. arXiv:1007.3284. Bibcode:2010MNRAS.408..731C. doi:10.1111/j.1365-2966.2010.17167.x.
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