Betelgeuse
Betelgeuse is usually the tenth-brightest star in the night sky and, after Rigel, the second-brightest in the constellation of Orion. It is a distinctly reddish semiregular variable star whose apparent magnitude, varying between +0.0 and +1.6, has the widest range displayed by any first-magnitude star.
Information
Distance to Earth :- 642.5 light years
Radius :- 617.1 million km (887 R☉)
Surface temperature :- 3,500 K
Mass :- 2.188 × 10^31 kg (11 M☉)
Age :- 10.01 million years
Constellation :- Orion
Coordinates :- RA 5h 55m 10s | Dec +7° 24′ 26″
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