Procyon (Alpha Canis Minoris) (Jan 16, 2005)
Type:
A: Giant star (Class F5 IV)
B: White dwarf (Class wdF8)
Brightness:
2.68 mag
Distance:
11.25 ly
Colour:
yellowish white
Luminosity (Sun = 1):
A: 7.6 x
B: 0.0005 x
Mass (Sun = 1):
A: 1.7 x
B: 0.63 x
Temperature:
A: 6,500 degrees
B: 8,700 degrees
Diameter:
A: 3.2 solar radii
B: 0.02 solar radii
Notes:
Procyon is a double star system consisting of a giant and a white dwarf. Both Procyon A and B form the eighth brightest star in our sky.

Celestron Newton 200/1000, Nikon Coolpix 4500

You can take a look at the real relations
between the sizes of selected stars by clicking here.

back