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η Carinae (Eta Carinae, abbreviated to η Car), formerly known as η Argus, is a stellar system containing at least two stars with a combined luminosity greater than five million times that of the Sun, located around 7,500 light-years (2,300 parsecs) distant in the constellation Carina.
It is also designated α Carinae, which is romanized (transliterated) to Alpha Carinae. With a visual apparent magnitude of −0.74, it is outshone only by Sirius . Located around 310 light-years from the Sun , Canopus is a bright giant of spectral type A9 , so it is essentially white when seen with the naked eye.
HD 93205, or V560 Carinae, is a binary stellar system, in the Carina Nebula (NGC 3372) in the constellation Carina. It consists of two massive O-stars that revolve around each other in 6 days . The more massive member of the pair is an O3.5 main sequence star.
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A distant star which lit up skies on Earth with a famous explosion in the 19th century has been captured in an incredible Hubble image
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Later studies have reduced its estimated luminosity making it a candidate luminous blue variable about 1.6 million L ☉ (one third as luminous as the binary star system Eta Carinae), hence a radius of 306 R ☉ based on an effective temperature around 12,000 K, [7] or as high as 3.3 million L ☉, hence a correspondingly larger radius of 420 R
AG Carinae, a massive Luminous blue variable and a part of the Carina constellation, which is transitioning from an O-type star to a Wolf-Rayet star. Eta Carinae, inside the Carina Nebula in the southern constellation of Carina. Eta Carinae is extremely massive, possibly as much as 120 to 150 times the mass of the Sun, and is four to five ...