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A red giant star with one of the largest ranges in brightness known of stars in the night sky visible to the unaided eye. Despite its large radius, it is less massive than the Sun. 119 Tauri (CE Tauri, Ruby Star) 587 – 593 [71] AD ρ Cassiopeiae: 564 ± 67 – 700 ± 112 [72] AD
KW Sagittarii is a red supergiant star, located approximately 2,420 parsecs (7,900 light-years) away from the Sun in the direction of the constellation Sagittarius.It is one of the largest known stars, with a diameter about 1,000 times larger than the Sun.
They determined that all three stars are over 1,000 times bigger than the Sun and over 100,000 times more luminous than the Sun. The stars' sizes were calculated using the Rosseland radius , the location at which the optical depth is 2 ⁄ 3 , [ 20 ] with distances adopted from earlier publications.
A few notable large stars with masses less than 60 M ☉ are shown in the table below for the purpose of comparison, ending with the Sun, which is very close, but would otherwise be too small to be included in the list. At present, all the listed stars are naked-eye visible and relatively nearby.
Mu Cephei is more than 100,000 times brighter than the Sun, with an absolute visual magnitude of −7.6. It is also one of the largest known stars with a radius around or over 1,000 times that of the sun ( R ☉ ), and were it placed in the Sun's position it would engulf the orbit of Mars and Jupiter .
Our Milky Way galaxy's most common type of star is called a red dwarf - much smaller and less luminous than our sun. But the discovery of a planet at least 13 times Earth's mass orbiting very ...
The newly observed disk has a diameter of about 12,000 times the distance of the Earth to the sun, or roughly 10 times larger than the one that encircled the sun when it formed approximately 4.5 ...
It is a pulsating variable star with an unusually large magnitude range. It is one of the largest stars discovered, with a radius varying between 1,350 and 1,940 solar radii (940,000,000 and 1.35 × 10 9 km; 6.3 and 9.0 au). It is the most luminous known AGB star, at bolometric magnitude –8.6, which is brighter than the theoretical limit at ...