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Hadar, Beta Centauri

Proper NamesAgena, Hadar
Bayer DesignationBeta Centauri
Flamsteed NumberNone
HR (BSC)5267
Right Ascension14h 5m 0s
Declination-60° 26' 56"
Distance392 light years
120 parsecs
MagnitudeApparent: +0.6
Absolute: -4.8
Spectral ClassB1III Blue Giant
Optimum VisibilityMay (Usually visible from southern latitudes)
NotesTogether with Alpha Centauri, its near neighbour in the sky, Agena forms the Southern Pointers, which can be used to locate the constellation Crux as well as the Southern Celestial Pole.

This fairly bright star appears to lie close to Alpha Centauri in the sky. In fact, though, it is more than 100 times further away from Earth than its better-known neighbour.


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