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].

Physical properties of stars and stellar dynamics

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.

Largest yellow hypergiant star spotted

* 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.

Night flight: astronomy aboard SOFIA: after two decades of trials and tinkering, the Stratospheric Observatory for Infrared Astronomy (SOFIA) is finally flying high

Rho ([rho]) Cassiopeiae is a hypergiant star located about 10,000 light-years away.

All eyes on Cassiopeia

Technically, hypergiant stars have a luminosity class of 0, while UY Set is la, the highest luminosity class for supergiants.

Scutum's gems: part the misty vapors of the Milky Way to find these glorious objects