GrumiumvsPherkad
Grumium has a higher Absolute Magnitude (1 vs -3 mag), while Pherkad has a higher Luminosity (1,225 vs 33 × Sun), while Grumium has a higher Color Index (B-V) (1 vs 0).
Brightness
4
Apparent Magnitude
3
1
Absolute Magnitude
-3
33
Luminosity
1,225
Physical Properties
113
Distance
487
4,354
Surface Temperature
9,455
1
Color Index (B-V)
0
Position
18
Right Ascension
15
57
Declination
72
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Data sourced from HYG Database (Free for any purpose, including commercial).