ProcyonvsSirius
Procyon has a higher Declination (5 vs -17 °), while Procyon has a higher Apparent Magnitude (0 vs -1 mag), while Procyon has a higher Color Index (B-V) (0 vs 0).
Brightness
0
Apparent Magnitude
-1
3
Absolute Magnitude
1
7
Luminosity
23
Physical Properties
11
Distance
9
6,714
Surface Temperature
10,014
0
Color Index (B-V)
0
Position
8
Right Ascension
7
5
Declination
-17
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Data sourced from HYG Database (Free for any purpose, including commercial).