M33-013406.63

M33-013406.63, also known as B416,[2] is a supergiant star approximately 2,380,000 to 3,070,000 light years away[3] inside the Triangulum Galaxy in the Triangulum Constellation. It is one of the brightest supergiants ever discovered and one of the largest stars in the Triangulum Galaxy. It is estimated to be approximately 6,400,000 to 10,280,000 times more luminous than the Sun.[4]

M33-013406.63
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Triangulum
Right ascension  01h 34m 06.63s[1]
Declination +30° 41′ 37.60″[1]
Apparent magnitude (V) 16.1
Characteristics
Spectral type O-Type

References
  1. Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
  2. Humphreys, R. M.; Sandage, A. (November 1980). "On the stellar content and structure of the spiral Galaxy M33". The Astrophysical Journal Supplement Series. 44: 319. doi:10.1086/190696. ISSN 0067-0049.
  3. "The brightest star in the sky - The Educational Blog - Quora". www.quora.com. Retrieved 2020-05-04.
  4. Humphreys, Roberta M.; Weis, Kerstin; Davidson, Kris; Bomans, D. J.; Burggraf, Birgitta (2014). "LUMINOUS AND VARIABLE STARS IN M31 AND M33. II. LUMINOUS BLUE VARIABLES, CANDIDATE LBVS, Fe II EMISSION LINE STARS, AND OTHER SUPERGIANTS". The Astrophysical Journal. 790 (1): 48. arXiv:1407.2259. Bibcode:2014ApJ...790...48H. doi:10.1088/0004-637X/790/1/48.


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