GrumiumvsKochab
Grumium has a higher Absolute Magnitude (1 vs -1 mag), while Kochab has a higher Luminosity (209 vs 33 × Sun), while Grumium has a higher Apparent Magnitude (4 vs 2 mag).
Brightness
4
Apparent Magnitude
2
1
Absolute Magnitude
-1
33
Luminosity
209
Physical Properties
113
Distance
131
4,354
Surface Temperature
3,847
1
Color Index (B-V)
1
Position
18
Right Ascension
15
57
Declination
74
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Data sourced from HYG Database (Free for any purpose, including commercial).