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V1936 Aquilae is a blue supergiant and candidate Luminous blue variable located in the nebula Westerhout 51, in the constellation Aquila, about 20,000 light years away. The star was originally identified as a massive star in 2000, and was thought to be an O-typesupergiant. However, subsequent analyses have shown it to be not O but B-type, as well as being possibly an LBV. The star was shown to be a variable star by Luboš Kohoutek and R. Wehmeyer in 2004.
Properties
V1936 Aquilae is a very luminous star. Recent measurements hint at a bolometric luminosity of around 560,000 L☉, assuming a distance of 6 kiloparsecs, consistent with the distance of Westerhout 51, the very large H II region (nebula) it is located in. The star likely has a temperature of around 13,200 K. The Stefan-Boltzmann Law suggests a radius of around 143 times that of the Sun.
Clark, J. S.; Davies, B.; Najarro, F.; MacKenty, J.; Crowther, P. A.; Messineo, M.; Thompson, M. A. (2009). "The P Cygni supergiant [OMN2000] LS1 - implications for the star formation history of W51". Astronomy and Astrophysics. 504 (2): 429. arXiv:0909.3934. Bibcode:2009A&A...504..429C. doi:10.1051/0004-6361/200911980. S2CID2609634.
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