AlfirkvsThuban
Alfirk has a higher Luminosity (1,962 vs 256 × Sun), while Thuban has a higher Color Index (B-V) (0 vs 0), while Thuban has a higher Absolute Magnitude (-1 vs -3 mag).
Brightness
3
Apparent Magnitude
4
-3
Absolute Magnitude
-1
1,962
Luminosity
256
Physical Properties
685
Distance
303
13,609
Surface Temperature
10,781
0
Color Index (B-V)
0
Position
21
Right Ascension
14
71
Declination
64
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Data sourced from HYG Database (Free for any purpose, including commercial).