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Giant stars have radii up to a few hundred times the Sun and luminosities over 10 times that of the Sun. Stars still more luminous than giants are referred to as supergiants and hypergiants. A hot, luminous main-sequence star may also be referred to as a giant, but any main-sequence star is properly called a dwarf, regardless of how large and ...
A red supergiant star orbited by a smaller B-type main-sequence star with a radius estimated between 13 [54] and 25 R ☉. [55] Widely recognised as being among the largest known stars. [ 21 ] Another estimate give a radius of 660 R ☉ [ 25 ] based on the Gaia DR3 distance of 1 kpc.
About Wikipedia; Contact us; Contribute Help; ... Tiếng Việt; ... Normal giant stars are stars of luminosity class III
Tiếng Việt; 中文; Edit links ... K-type giants are giant (luminosity class III) stars of spectral type K. Pages in category "K-type giants" The following 200 ...
This is a list of the nearest giant stars ... 1.14 [4] 17th brightest star in the night sky. ... 2.00 [22] 49th brightest star in the night sky.
Alpha Lupi is a giant star with a stellar classification of B1.5 III. [4] It has about ten times the mass of the Sun [ 7 ] yet is radiating 18,000 times the Sun's luminosity. The outer atmosphere has an effective temperature of 24,550 K, [ 8 ] which gives it the blue-white glow of a B-type star .
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With an estimated age of 4.58 billion years, [6] Kappa Persei Aa is an evolved G-type giant star with a stellar classification of G9.5 IIIb. [3] It is a red clump giant, which means that it is generating energy at its core through the nuclear fusion of helium. [16] The star has about 1.5 [6] times the mass of the Sun and 9 [4] times the Sun's ...