The Stars || News || About Stars | Nearest Stars | Big Stars | Special Stars | Exoplanets | Prototype Stars || Constellations || Galaxies || Planets | Moons | Solar System || Convert Values || Stellar Records || Imprint & Privacy

         

Anzeige


Spica

The brightest star of Virgo consists of two very close blue stars.
From our point of view the star changes regularly its luminosity. This is because both stars cover each other (a so called eclipsing binary).

Constellation: Virgo
Distance: 262 light-years
Radial velocity: 1 km/sec
Space between Spica A and B: 0.122 AU
Orbit period of Spica A and B: 4.01416 days

Spica A

Spectral class: B1
Visual magnitude: 1.06
Luminosity: 13 400 * Sun
Mass: 10.9 * Sun
Diameter: 7.34 * Sun
 

Spica B

Spectral class: B7
Visual magnitude: 2.50
Luminosity: 1700 * Sun
Mass: 6.8 * Sun
Diameter: 4 * Sun

Back: List of big and giant stars
    Spica
Photo: Albert Manzanares

    Astronomical articles released under Creative Commons: Imprint & Privacy
This site in German: Sterne und Planeten


Anzeige

Astronomy: Stars & Planets | © Jumk.de Webprojects

Images of Chemical Elements