PherkadvsTianyi
Tianyi has a higher Color Index (B-V) (2 vs 0), while Pherkad has a higher Luminosity (1,225 vs 303 × Sun), while Pherkad has a higher Surface Temperature (9,455 vs 3,695 K).
Brightness
3
Apparent Magnitude
5
-3
Absolute Magnitude
-1
1,225
Luminosity
303
Physical Properties
487
Distance
741
9,455
Surface Temperature
3,695
0
Color Index (B-V)
2
Position
15
Right Ascension
13
72
Declination
67
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Data sourced from HYG Database (Free for any purpose, including commercial).