R136b

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
Mass118[3] M☉
Radius22.3[3] R☉
Luminosity2,000,000[3] L☉
Temperature45,000[3] K
Age~1.7 Myr
Other designations
BAT99 111, RMC 136b, [HSH95] 9, [WO84] 4, Cl* NGC 2070 MH 637, [CHH92] 26, [P93] 985.
Database references
SIMBADdata

R136b is a Wolf-Rayet star in the R136 cluster in the Large Magellanic Cloud. [3]

References

  1. ↑ 1.0 1.1 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. Bibcode:2006AJ....131.2164T. doi:10.1086/500535.
  2. ↑ 2.0 2.1 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. Bibcode:2013A&A...558A.134D. doi:10.1051/0004-6361/201321824.
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 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.

See also