السماك الأعزل

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.

الخصائص الفيزيائية

النوع الطيفي B Class B — B-type (Blue-White)
مؤشر اللون (B−V) -0,235

الرصد

القدر الظاهري +0.98
القدر المطلق -3,44
المسافة 250 ly
الكوكبة Virgo

الموضع

المطلع المستقيم 13h 25,19m
الميل -11° 9,68′

Frequently Asked Questions

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