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V452 Scuti V452 Scuti, also known as AS 314[1] , is a white hypergiant star and luminous blue variable candidate located in the constellation of Scutum. It has an apparent magnitude of 10.01 and can be seen with small telescopes.
Characteristics
editV452 Scuti was poorly studied until the year 2000, when Miroshnichenko et al determined a distance for this star of around 10 kiloparsecs (32,600 light years), a luminosity 160,000 times that of Sun, a radius 200 times the solar radius, and that it was born was 20 times more massive than our star. It's losing 2*10-5 times the mass of the Sun each year (in other words, one solar mass each 50,000 years) through a very strong stellar wind[1].
It has an infrared excess, suggesting it's shrouded in a circumstellar envelope of dust, perhaps produced in a past outburst as Luminous blue variable as its location in the Hertzsprung-Russell diagram places it near the zone occupied by those stars[1][2]; however it has not been classified as a bona fide luminous blue variable, but as a candidate[3]
References
edit- ^ a b c Miroshnichenko, A. S.; Chentsov, E. L.; Klochkova, V. G. (June 2000). "AS 314: A dusty A-type hypergiant". Astronomy and Astrophysics. 144: 379–389. Bibcode:2000A&AS..144..379M. doi:10.1051/aas:2000216.
{{cite journal}}: CS1 maint: date and year (link) CS1 maint: multiple names: authors list (link) - ^ Clark, J. S.; Larionov, V. M.; Arkharov, A. (May 2005). "On the population of galactic Luminous Blue Variables". Astronomy and Astrophysics. 435 (1): 239–246. Bibcode:2005A&A...435..239C. doi:10.1051/0004-6361:20042563.
{{cite journal}}: Check date values in:|year=/|date=mismatch (help)CS1 maint: multiple names: authors list (link) - ^ Nazé, Y.; Rauw, G.; Hutsemékers, D. (February 2012). "The first X-ray survey of Galactic luminous blue variables". Astronomy and Astrophysics. 538. Bibcode:2012A&A...538A..47N. doi:10.1051/0004-6361/201118040. A47.
{{cite journal}}: CS1 maint: date and year (link) CS1 maint: multiple names: authors list (link)
External links
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