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Arcturus (Alpha Bootis) (June 7, 2003)
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| Type: |
Giant star (Class K1.5IIIFe-0.5)
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| Brightness: |
-0.04 mag
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| Distance: |
37 ly
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| Farbe: |
orange
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| Luminosity (Sun = 1): |
113 x
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| Mass (Sun = 1): |
1,5 x
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| Temperature: |
4,000 degrees approx.
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| Diameter: |
52 solar radii
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| Notes: | |
| Arcturus is the closest known giant star. | |