AliothvsRasalgethi
Rasalgethi has a higher Color Index (B-V) (1 vs 0), while Alioth has a higher Absolute Magnitude (0 vs -2 mag), while Rasalgethi has a higher Luminosity (818 vs 110 × Sun).
Brightness
2
Apparent Magnitude
3
0
Absolute Magnitude
-2
110
Luminosity
818
Physical Properties
83
Distance
360
10,408
Surface Temperature
4,381
0
Color Index (B-V)
1
Position
13
Right Ascension
17
56
Declination
14
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Data sourced from HYG Database (Free for any purpose, including commercial).