Becrux

Bet Cru

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Beta Crucis, better known as Mimosa, is the second-brightest star of the Southern Cross after Acrux. A blue-white B-type star, it registers a hot, negative B–V index of −0.238 and appears at magnitude 1.25 from a distance near 279 light-years. Its absolute magnitude of −3.41 marks an intrinsic luminosity many times the Sun's. Set at a declination of −59° within the constellation Crux, Mimosa lies deep in the southern sky and never rises for most northern observers. With Acrux and the other Cross stars it forms one of the most recognisable asterisms of the southern celestial hemisphere.

Propriedades físicas

Classe Espectral B Class B — B-type (Blue-White)
Índice de cor (B−V) -0,238

Observação

Magnitude Aparente +1.25
Magnitude Absoluta -3,41
Distância 279 ly
Constelação Crux

Posição

Ascensão reta 12h 47,72m
Declinação -59° 41,33′

Frequently Asked Questions

What type of star is Becrux?
Becrux is a Class B — B-type (Blue-White) star.
How far is Becrux from Earth?
Becrux is approximately 278.5 light-years from Earth.
Can you see Becrux with the naked eye?
With an apparent magnitude of 1.25, Becrux is visible to the naked eye.
What constellation is Becrux in?
Becrux is located in the constellation Crux.