What does WR stand for?

Wolf-Rayet Star

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Samples in periodicals archive:

This Wolf-Rayet star in Cygnus is an archetypal colliding wind binary system, the interaction between the powerful winds generated by the WR and O type stars being a subject of interest for astronomers working at wavelengths from radio to X-ray.

2 Increased Pro-Am cooperation in spectroscopy delivers results

The more massive is a Wolf-Rayet star and may weigh more than 50 times the mass of our Sun.

Hubble captures image of two of Milky Way's most colossal stars

Also highlighted are hydrogen-deficient stars in close binary systems, and massive Wolf-Rayet stars and their relation to Type I supernovae and Gamma-ray bursts.

Hydrogen-deficient stars; proceedings

Other topics include heating hot atmospheres with active galactic nuclei, the physical properties of Wolf-Rayet stars, the physics and chemistry of cold dark clouds, the statistical properties of exoplanets, and relativistic X-ray lines from the inner accretion disks around black holes.

Annual review of astronomy and astrophysics; v.45, 2007

328) states that star BAT99-2 "is the hottest Wolf-Rayet star known, with a surface temperature of 120,000 kelvins.

Corrections

edu/pubinfo/1998/38 The star, an extremely rare type known as a Wolf-Rayet star, is expected to live fast and die young after going through a violent phase in which it spits out the huge fiery blobs.

HUBBLE CAPTURES IMAGES OF GREAT BALLS OF FIRE AROUND STAR

The star is the hottest Wolf-Rayet star known, with a surface temperature of 120,O00 kelvins, nearly 20 times that of the sun.

Gorgeous gas: new observations of space clouds reveal stellar ...

These objects may represent a brief transitional phase between ordinary massive stars, known as O stars, and Wolf-Rayet stars, which have ejected their outer layers.

Big gun: Pistol shines in the infrared