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 ?
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.
Using the new data, the team calculated that Rho Cassiopeiae and other so-called yellow hypergiant stars periodically blow out gargantuan amounts of mass.