luminous blue variable


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luminous blue variable

[′lüm·ən·əs ¦blü ′ver·ē·ə·bəl]
(astronomy)
Any of a small group of high-luminosity, unstable, hot supergiant stars that have irregular eruptions or ejections with greatly enhanced mass outflow (10-5 to 10-4 solar mass per year).
References in periodicals archive ?
"The cluster of stars also harbours a rare, extremely magnetic, neutron star known as a magnetar, but we think the gamma ray emission could be linked to the luminous blue variable star.
"If the source is the luminous blue variable star, it is the first time that gamma ray emission has been linked to such a massive star.
Kovacs et al., "Long-term spectroscopic monitoring of the Luminous Blue Variable AG Carinae," Astronomy and Astrophysics, vol.
The Luminous Blue Variable Eta Carinae is an extremely massive, energetic, and unstable star that is destined to go supernova.
This process might be common to all Type IIn supernovae, which are thought to be the deaths of luminous blue variables, massive stars known for their eruptive events.
The progenitor was so bright that it probably belonged to a class of stars called Luminous Blue Variables (LBVs), "because no other type of star is as intrinsically brilliant," said Gal-Yam.
In other galaxies, such "luminous blue variables" have exploded abruptly--such as SN 2006jc, which flared in 2004 and then blasted apart two years later.
Luminous blue variables (LBVs) such as P Cygni shed enormous amounts of material during their eruptions.
Extremely hot, massive stars known as luminous blue variables (LBVs) occasionally throw o.
Eta Carinae is one of only a few luminous blue variables (LBVs) in the Milky Way.
Luminous blue variables such as P Cygni are believed to represent a short-lived (about 100,000-year) phase in the life of every massive star.
An astronomer at the University of Minnesota, KRIS DAVIDSON studies the most massive stars, particularly luminous blue variables such as Eta Carinae.