The star is Eta Carinae
Eta Carinae or Eta Carinae in astronomy (in English: η Carinae) is a massive variable star, with a mass between 100 and 120 solar masses, and characterized by a luminosity of four million to five million times more intense than the luminosity of the Sun. It is between 7,000 and 10,000 light-years away from Earth, meaning it belongs to our galaxy, the Milky Way, and is located in the constellation Oris in one of the open star clusters. The stellar cluster, in turn, is located in a great accretion nebula called the Carina Nebula, NGC 3372. Eta Carina belongs to the stellar classification of a great supergiant, a type of Wolf-Rayet star, and is a luminous blue variable.
The star Eta Carinae may be on the verge of exploding. But no one can say for sure when - it could happen within the next year, or perhaps a million years from now. Eta Carinae's massive mass, about 100 times that of our Sun, makes it a strong candidate for ending its life in a supernova. Historical records indicate that about 170 years ago, the star witnessed a massive explosion that made it one of the brightest stars in the sky of the Southern Hemisphere. Scientists currently believe that Eta Carinae, hidden in the Keyhole Nebula, is the only star known to emit laser light naturally.
This stunning image shows details of the strange nebula surrounding this monster star. Diffraction spikes, produced by the telescope, appear as bright colored lines emanating from the center of Eta Carinae. The hot central region is flanked by two distinct lobes of the Homunculus Nebula, while some strange red radial lines extend towards the right of the image. The lobes are filled with trails of gas and dust that absorb blue and ultraviolet light emanating from the core. However, the nature of these lines remains incompletely explained.
The star Eta Carinae or Eta Carinae belongs to a star classification called a luminous blue variable. Scientists believe, based on observations, that every star with a mass of 20 solar masses or greater passes through a stage of its development in the state of the luminous blue variable, but this stage is short and is estimated at several tens of thousands of years. 6 of these luminous blue variable giants have been discovered in our Milky Way galaxy. There are also several other giants of this type in nearby galaxies, which are known as the Local Group.
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