hypergiant star

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hypergiant star

[¦hī·pər‚jī·ənt ′stär]
(astronomy)
A member of the brightest known class of stars, with absolute visual magnitude around -10, about 106 times as bright as the sun.
References in periodicals archive ?
The red hypergiant star WOH G64 has a broad number of emission lines in its spectrum including H[alpha], H[beta], [O I], [N I], [S II], [N II], and [O III] [5].
com/biggest-stars-universe-westerlund-1-26-red-hypergiant-nearby-could-be-among-them-2506953) A Nearby Red Hypergiant Could Be Among The Biggest Stars Found
Technically, hypergiant stars have a luminosity class of 0, while UY Set is la, the highest luminosity class for supergiants.
Washington, March 13 ( ANI ): Researchers using ESO's Very Large Telescope Interferometer (VLTI) have found the largest yellow hypergiant star HR 5171 A - 1300 times the diameter of the Sun and much bigger than was expected.
86 billion miles in diameter and it is classified as a red hypergiant.
Paul Crowther, a professor of astrophysics at England's University of Sheffield, led the study of the star cluster where the newly discovered hypergiant resides.
Using the new data, the team calculated that Rho Cassiopeiae and other so-called yellow hypergiant stars periodically blow out gargantuan amounts of mass.
Ben Lamm is co-founder & chairman of HyperGiant as well as the co-founder and CEO of Conversable.
Classified as a red supergiant or hypergiant, it is over 300,000 times brighter than sun when seen in radio wavelengths, making it actually close to 380,000 times the sun's luminosity.
At a distance of about 13 000 light-years from Earth, it is the closest yellow hypergiant found to date and new observations show it shines some 500 000 times more brightly than the Sun.
VY Canis Majoris, a red hypergiant star with 40 times the Sun's mass, is sometimes cited as the largest star known, larger than the orbit of Jupiter.
A hypergiant is one which has 100 or more times the mass of the sun.