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Sirius (Alpha Canis Maioris) (Dec 7, 2003)
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| Type: |
Main sequence star (Class A0)
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| Brightness: |
- 1.46 mag
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| Distance: |
8.6 ly
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| Colour: |
white
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| Luminosity (Sun = 1): |
23 x
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| Mass (Sun = 1): |
2.5 x
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| Temperature: |
9,200 degrees approx.
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| Diameter: |
1.76 solar radii
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| Notes: | |
| Sirius has a small companion which is about 27,000 degrees hot (Sirius B). It is a so-called "white dwarf" of about one solar mass, orbiting around Sirius A within 50 years. This "dwarf" is in fact smaller than the Earth! | |