Espiga

67Alp Vir

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Spica is a hot blue-white B-type star, its negative B–V index of −0.235 betraying a high surface temperature. Catalogued as Alpha Virginis, it is by far the brightest star of the constellation Virgo, shining at apparent magnitude 0.98 from a distance of about 250 light-years. An absolute magnitude of −3.44 reflects an intrinsic luminosity well beyond the Sun's, which sustains its brightness across that distance. Positioned just south of the celestial equator at declination −11°, Spica is visible worldwide and serves as a convenient waypoint for locating Virgo along the spring ecliptic.

Propriedades físicas

Classe Espectral B Class B — B-type (Blue-White)
Índice de cor (B−V) -0,235

Observação

Magnitude Aparente +0.98
Magnitude Absoluta -3,44
Distância 250 ly
Constelação Virgo

Posição

Ascensão reta 13h 25,19m
Declinação -11° 9,68′

Frequently Asked Questions

What type of star is Espiga?
Espiga is a Class B — B-type (Blue-White) star.
How far is Espiga from Earth?
Espiga is approximately 249.7 light-years from Earth.
Can you see Espiga with the naked eye?
With an apparent magnitude of 0.98, Espiga is visible to the naked eye.
What constellation is Espiga in?
Espiga is located in the constellation Virgo.