Спика

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.

Физические свойства

Спектральный класс B Class B — B-type (Blue-White)
Показатель цвета (B−V) -0,235

Наблюдение

Видимая звёздная величина +0.98
Абсолютная звёздная величина -3,44
Расстояние 250 ly
Созвездие Virgo

Положение

Прямое восхождение 13h 25,19m
Склонение -11° 9,68′

Frequently Asked Questions

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