R136b
 R136b is the bright star towards the lower left. Credit: ESO | |
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Dorado |
| Right ascension | 05h 38m 42.78s[1] |
| Declination | −69° 06′ 03.1″[1] |
| Apparent magnitude (V) | 13.24[2] |
| Characteristics | |
| Spectral type | WN9ha[3] |
| B−V color index | −0.18[2] |
| Variable type | None |
| Astrometry | |
| Absolute magnitude (MV) | -7[3] |
| Absolute bolometric magnitude (Mbol) | -11.0 |
| Details | |
| Mass | 118[3] M☉ |
| Radius | 22.3[3] R☉ |
| Luminosity | 2,000,000[3] L☉ |
| Temperature | 45,000[3] K |
| Age | ~1.7[4] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
R136b is a Wolf-Rayet star in the R136 cluster in the Large Magellanic Cloud.[3] It is one of the most massive and most luminous stars known.
References
- 1 2 Townsley, Leisa K.; Broos, Patrick S.; Feigelson, Eric D.; Garmire, Gordon P.; Getman, Konstantin V. (2006). "A Chandra ACIS Study of 30 Doradus. II. X-Ray Point Sources in the Massive Star Cluster R136 and Beyond". The Astronomical Journal 131 (4): 2164. arXiv:astro-ph/0601106. Bibcode:2006AJ....131.2164T. doi:10.1086/500535.
- 1 2 Doran, E. I.; Crowther, P. A.; De Koter, A.; Evans, C. J.; McEvoy, C.; Walborn, N. R.; Bastian, N.; Bestenlehner, J. M.; Gräfener, G.; Herrero, A.; Köhler, K.; Maíz Apellániz, J.; Najarro, F.; Puls, J.; Sana, H.; Schneider, F. R. N.; Taylor, W. D.; Van Loon, J. Th.; Vink, J. S. (2013). "The VLT-FLAMES Tarantula Survey. XI. A census of the hot luminous stars and their feedback in 30 Doradus". Astronomy & Astrophysics 558: A134. arXiv:1308.3412. Bibcode:2013A&A...558A.134D. doi:10.1051/0004-6361/201321824.
- 1 2 3 4 5 6 7 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". Astronomy & Astrophysics 565: A27. arXiv:1401.5474. Bibcode:2014A&A...565A..27H. doi:10.1051/0004-6361/201322696.
- ↑ Crowther, Paul A.; Schnurr, Olivier; Hirschi, Raphael; Yusof, Norhasliza; Parker, Richard J.; Goodwin, Simon P.; Kassim, Hasan Abu (2010). "The R136 star cluster hosts several stars whose individual masses greatly exceed the accepted 150Msolar stellar mass limit". Monthly Notices of the Royal Astronomical Society 408 (2): 731. Bibcode:2010MNRAS.408..731C. doi:10.1111/j.1365-2966.2010.17167.x.
See also
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