AliothvsTianguan
Alioth has a higher Absolute Magnitude (0 vs -3 mag), while Tianguan has a higher Luminosity (1,051 vs 110 × Sun), while Alioth has a higher Color Index (B-V) (0 vs 0).
Brightness
2
Apparent Magnitude
3
0
Absolute Magnitude
-3
110
Luminosity
1,051
Physical Properties
83
Distance
445
10,408
Surface Temperature
12,449
0
Color Index (B-V)
0
Position
13
Right Ascension
6
56
Declination
21
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Data sourced from HYG Database (Free for any purpose, including commercial).