hypergiant star

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].
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.
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.
Rho ([rho]) Cassiopeiae is a hypergiant star located about 10,000 light-years away.
Technically, hypergiant stars have a luminosity class of 0, while UY Set is la, the highest luminosity class for supergiants.