EltaninvsPherkad
Eltanin has a higher Color Index (B-V) (2 vs 0), while Pherkad has a higher Luminosity (1,225 vs 248 × Sun), while Pherkad has a higher Distance (487 vs 154 light-years).
Brightness
2
Apparent Magnitude
3
-1
Absolute Magnitude
-3
248
Luminosity
1,225
Physical Properties
154
Distance
487
3,762
Surface Temperature
9,455
2
Color Index (B-V)
0
Position
18
Right Ascension
15
51
Declination
72
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Data sourced from HYG Database (Free for any purpose, including commercial).