Melnick 42
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Dorado |
| Right ascension | 05h 38m 38s |
| Declination | -69° 05′ 42″ |
| Apparent magnitude (V) | 10.96 (12.84[1]) |
| Characteristics | |
| Spectral type | O3If/WN (O2If*[2]) |
| B−V color index | 0.12 |
| Astrometry | |
| Distance | ±170,000 ly (±52,000 pc) |
| Absolute magnitude (MV) | -6.93[3] |
| Details | |
| Mass | 113[3] M☉ |
| Radius | 21.1[3] R☉ |
| Luminosity | 2,500,000[3] L☉ |
| Temperature | 50,000[3] K |
| Age | ~1 million[1] years |
| Other designations | |
MK42, Brey 77, BAT99 105 | |
| Database references | |
| SIMBAD | data |
Melnick 42 is a massive blue supergiant star in the Tarantula Nebula in the Large Magellanic Cloud located in the constellation Dorado. With its bolometric luminosity of ca. 2,000,000 it is one of the most luminous stars of the Tarantula Nebula.
References
- ↑ 1.0 1.1 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.
- ↑ Crowther, P. A.; Walborn, N. R. (2011). "Spectral classification of O2-3.5 If*/WN5-7 stars". Monthly Notices of the Royal Astronomical Society 416 (2): 1311. arXiv:1105.4757. Bibcode:2011MNRAS.416.1311C. doi:10.1111/j.1365-2966.2011.19129.x.
- ↑ 3.0 3.1 3.2 3.3 3.4 Hainich, R.; Rühling, U.; Todt, H.; Oskinova, L. M.; Liermann, A.; Gräfener, G.; Foellmi, C.; Schnurr, O.; Hamann, W. -R. (2014). "The Wolf-Rayet stars in the Large Magellanic Cloud: A comprehensive analysis of the WN class". arXiv:1401.5474v1 [astro-ph.SR].
| ||||||||||||||||||||||||||||||||||