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WR 102 is a Wolf–Rayet star in the constellation Sagittarius, an extremely rare star on the WO oxygen sequence. It is a luminous and very hot star, highly evolved and close to exploding as a supernova.
All of the very hottest non-degenerate stars (the hottest few) are Wolf–Rayet stars, the hottest of which being WR 102, which seems to be as hot as 210,000 K, followed by WR 142 which is around 200,000 K in temperature. LMC195-1, located in the Large Magellanic Cloud, should have a similar temperature, but at the moment this temperature is ...
WR 102c is surrounded by a shell of nebulosity which contains dust made even hotter than the star itself by intense radiation. The nebula also includes nearly 1 M ☉ of molecular hydrogen and around 10 M ☉ of ionised hydrogen, all expelled from the star. [4] There is a suggestion that WR 102c may be a binary star.
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WR 102ea is a Wolf–Rayet star in the Sagittarius constellation. It is the third most luminous star in the Quintuplet cluster after WR 102hb . With a luminosity of 2,500,000 times solar , it is also one of the most luminous stars known.
(The Center Square) — In Louisiana, violent and property crime numbers across the state have dropped from recent years. Despite this, a survey earlier this year from the Manship School at LSU ...