AlfirkvsKochab
Kochab has a higher Color Index (B-V) (1 vs 0), while Alfirk has a higher Luminosity (1,962 vs 209 × Sun), while Alfirk has a higher Distance (685 vs 131 light-years).
Brightness
3
Apparent Magnitude
2
-3
Absolute Magnitude
-1
1,962
Luminosity
209
Physical Properties
685
Distance
131
13,609
Surface Temperature
3,847
0
Color Index (B-V)
1
Position
21
Right Ascension
15
71
Declination
74
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Data sourced from HYG Database (Free for any purpose, including commercial).