ErraivsPherkad
Errai has a higher Absolute Magnitude (2 vs -3 mag), while Pherkad has a higher Luminosity (1,225 vs 9 × Sun), while Errai has a higher Color Index (B-V) (1 vs 0).
Brightness
3
Apparent Magnitude
3
2
Absolute Magnitude
-3
9
Luminosity
1,225
Physical Properties
46
Distance
487
4,670
Surface Temperature
9,455
1
Color Index (B-V)
0
Position
24
Right Ascension
15
78
Declination
72
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Data sourced from HYG Database (Free for any purpose, including commercial).