V774 Sagittarii

V774 Sagittarii is a red supergiant star in the constellation of Sagittarius.[1] It is one of the largest stars known with a measured radius of 671 or 1,310 R☉.[2] It has a spectral type of M4I.[1]

References
  1. Winfrey, S.; Barnbaum, C.; Morris, M.; Omont, A. (December 1994). "Spectral Classification of Cold IRAS Stars: Supergiants". AAS. 185: 45.15.
  2. Cruzalèbes, P.; Petrov, R. G.; Robbe-Dubois, S.; Varga, J.; Burtscher, L.; Allouche, F.; Berio, P.; Hofmann, K. H.; Hron, J.; Jaffe, W.; Lagarde, S.; Lopez, B.; Matter, A.; Meilland, A.; Meisenheimer, K.; Millour, F.; Schertl, D. (2019). "A catalogue of stellar diameters and fluxes for mid-infrared interferometry". Monthly Notices of the Royal Astronomical Society. 490 (3): 3158–3176. arXiv:1910.00542. Bibcode:2019MNRAS.490.3158C. doi:10.1093/mnras/stz2803.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.