LGGS J004246.86+413336.4
  Location of LGGS J004246.86+413336.4 in Andromeda (circled) | |
| Constellation | Andromeda |
|---|---|
| Galaxy | Andromeda galaxy |
| Coordinates |
|
| Characteristics | |
| Spectral type | O3-O5 |
LGGS J004246.86+413336.4, also called 2MASS J00424682+4133358, is a blue supergiant star located in the Andromeda Galaxy[1] approximately 2,500,000 light years away. It is exceptionally luminous with a luminosity of 10^7.3 L⊙, or nearly 20 million times brighter than the Sun. Surrounding the star is a prominent H II region and a dust cloud.[2]
Due to its distance from Earth, the star’s properties are not well-defined.
See also
References
- ^ Wang 王, Yuxi 钰溪; Gao 高, Jian 健; Ren 任, Yi 逸 (2022-02-24). "Dust Extinction Law in Nearby Star-resolved Galaxies. I. M31 Traced by Supergiants". The Astrophysical Journal Supplement Series. 259 (1): 12. arXiv:2111.09523. Bibcode:2022ApJS..259...12W. doi:10.3847/1538-4365/ac3bc6. ISSN 0067-0049.
- ^ Humphreys, Roberta M.; Davidson, Kris; Hahn, David; Martin, John C.; Weis, Kerstin (2017-07-20). "Luminous and Variable Stars in M31 and M33. V. The Upper HR Diagram". The Astrophysical Journal. 844 (1): 40. arXiv:1707.01916. Bibcode:2017ApJ...844...40H. doi:10.3847/1538-4357/aa7cef. ISSN 0004-637X.