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Spica (Alpha Virginis) (Apr 2, 2004)
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| Type: |
Giant star (Class B1III-IV) /
Main sequence star (Class B2V) |
| Brightness: |
0.98 mag (var. 0.07)
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| Distance: |
260 ly
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| Colour: |
blue
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| Luminosity (Sun = 1): |
2,200 x (main component: 80%)
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| Mass (Sun = 1): |
10.9 x / 6.8 x
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| Temperature: |
20,000 degrees approx.
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| Diameter: |
15 solar radii / 4 solar radii
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| Notes: | |
| Spica has a companion. Both stars orbit around their center of gravity within 4 days. One of the two components ia a dying giant star. The Spica system probably contains even two more stars. | |