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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.
The hottest and brightest stars in the cosmos, blue supergiants, are created when two smaller stars spiral together and merge, a new study suggests.
Blue supergiant stars are among the brightest, hottest, and most massive stars in the universe. Learn more about them and how they live and die. Skip to content
The blue supergiant called Rigel, around 870 light-years from the sun, is one of the brightest stars in the sky. (Image credit: NASA/STScI Digitized Sky Survey/Noel Carboni)
B-type blue supergiants are highly luminous, massive stars that defy traditional expectations by frequently appearing despite their theoretically brief evolutionary phase. Recent research provides new insights, showing that many blue supergiants likely form from the merger of massive binary systems.
In a pioneering study led by IAC researcher Athira Menon, an international team of computational and observational astrophysicists simulated detailed models of stellar mergers and analyzed a sample...
The most massive stars in the Universe are the blue supergiant stars; then can have more than 20 times the mass of the Sun. Blue giant stars are very hot, with surface temperatures of...
Blue supergiants are the rock-and-roll stars of the universe. They are massive stars that live fast and die young which makes them rare and difficult to study, even with modern...
Researchers have conducted a comprehensive study on 750 blue supergiant stars within 6,500 light-years of Earth using the IACOB project, providing valuable insights into their evolutionary phase termed “stellar adolescence.”
Rigel is a blue supergiant star in the constellation of Orion. It has the Bayer designation β Orionis, which is Latinized to Beta Orionis and abbreviated Beta Ori or β Ori. Rigel is the brightest and most massive component – and the eponym – of a star system of at least four stars that appear as a single blue-white point of light to the ...