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Supergiant stars occupy the top region of the Hertzsprung–Russell diagram with absolute visual magnitudes between about −3 and −8. The temperature range of ...
A red supergiant star orbited by a smaller B-type main-sequence star with a radius estimated between 13 [49] and 25 R ☉. [50] Widely recognised as being among the largest known stars. [19] Another estimate give a radius of 660 R ☉ [23] based on the Gaia DR3 distance of 1 kpc. [31] U Lacertae A 1,013 [23] L/T eff: KW Sagittarii: 1,009 ± 142 ...
Super Giant (スーパージャイアンツ, Sūpā Jaiantsu, literally translated as "Super Giants") is a Japanese superhero featured in a successful series of serial-like tokusatsu short feature films produced between 1957 and 1959 by Shintoho (the non-union branch of Toho).
Red supergiants develop deep convection zones reaching from the surface over halfway to the core and these cause strong enrichment of nitrogen at the surface, with some enrichment of heavier elements. [26] Some red supergiants undergo blue loops where they temporarily increase in temperature before returning to the red supergiant state. This ...
A blue supergiant (BSG) is a hot, luminous star, often referred to as an OB supergiant. They are usually considered to be those with luminosity class I and spectral class B9 or earlier, [ 1 ] although sometimes A-class supergiants are also deemed blue supergiants.
This is a list of the nearest supergiant stars to Earth, located at a distance of up to 1,100 light-years (340 parsecs) from Earth. Some of the brightest stars in the night sky, such as Rigel and Antares, are in the list.
Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo that contains several trillion stars.
O class main sequence stars are already highly luminous. The giant phase for such stars is a brief phase of slightly increased size and luminosity before developing a supergiant spectral luminosity class. Type O giants may be more than a hundred thousand times as luminous as the sun, brighter than many supergiants.