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							Procyon (Alpha Canis Minoris) (Jan 16, 2005) 
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| Type: | 
						 
							A: Giant star (Class F5 IV) 
					B: White dwarf (Class wdF8)  | 
				
| Brightness: | 
						 
							2.68 mag 
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| Distance: | 
						 
							11.25 ly 
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| Colour: | 
						 
							yellowish white 
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| 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.