Type of star that is luminous, blue, and variable in brightness
Luminous blue variable AG Carinae as seen by the Hubble Space Telescope
Luminous blue variables (LBVs) are massive evolved stars that show unpredictable and sometimes dramatic variations in their spectra and brightness. They are also known as S Doradus variables after S Doradus, one of the brightest stars of the Large Magellanic Cloud. They are considered to be rare.
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Luminousbluevariables (LBVs) are massive evolved stars that show unpredictable and sometimes dramatic variations in their spectra and brightness. They...
giants Blue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) A blue supergiant (BSG) is a hot, luminous star, often...
these are small except for two distinct instability regions where luminousbluevariables (LBVs) and yellow hypergiants are found. Because of their high...
J.; Burggraf, Birgitta (2014-07-02). "LUMINOUS AND VARIABLE STARS IN M31 AND M33. II. LUMINOUSBLUEVARIABLES, CANDIDATE LBVs, Fe II EMISSION LINE STARS...
class of variables is named after Beta Cephei. Classical Cepheids (or Delta Cephei variables) are population I (young, massive, and luminous) yellow supergiants...
lives in the blue giant stage. Because O-type and B-type stars with a giant luminosity classification are often somewhat more luminous than their normal...
roughly 160,000 light-years away. The star is a luminousbluevariable, and one of the most luminous stars known, having a luminosity varying widely above...
The Pistol Star is an extremely luminousblue hypergiant star, one of the most luminous and massive known in the Milky Way. It is one of many massive...
Blue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) Supergiants are among the most massive and most luminous stars...
used for blue supergiants which have a forest of forbidden FeII lines in their spectra. They are potentially quiescent hot luminousbluevariables. Eta Carinae...
T Tauri stars (TTS) are a class of variable stars that are less than about ten million years old. This class is named after the prototype, T Tauri, a young...
constellation Carina. It is classified as a luminousbluevariable (LBV) and is one of the most luminous stars in the Milky Way. The great distance (20...
low-luminosity post-red supergiant luminousbluevariables to collapse, most likely as a type IIn supernova. Several examples of hot luminous progenitors of type IIn...
components among the most luminous stars known: the unusual primary has a Wolf–Rayet spectrum and has produced a luminousbluevariable (LBV) outburst; the...
well-established in all cases, it may be termed a "hot companion". The luminousbluevariable Eta Carinae has recently been determined to be a binary star system...
time. The Pistol Star, a luminousbluevariable is 1.6 million times brighter than the Sun making it one of the most luminous stars in the Milky Way. Figer...
A blue straggler is a type of star that is more luminous and bluer than expected. Typically identified in a stellar cluster, they have a higher effective...
Andromedae (AF And) is a luminousbluevariable (LBV), a type of variable star. The star is one of the most luminousvariables in M31, the Andromeda Galaxy...
Przybilla, Norbert; Nieva, M. -Fernanda (2011). "Red Supergiants, LuminousBlueVariables and Wolf-Rayet stars: The single massive star perspective". Bulletin...
HD 168625 (V4030 Sagittarii) is a blue hypergiant star and candidate luminousbluevariable located in the constellation of Sagittarius easy to see with...
HD 168607 (V4029 Sagittarii) is a blue hypergiant and luminousbluevariable (LBV) star located in the constellation of Sagittarius, easy to see with amateur...
54 years. The primary is an extremely unusual star, similar to a luminousbluevariable (LBV). It was initially 150–250 M☉, of which it has already lost...
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