User:U-95/V452 Scuti
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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
[edit]V452 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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