MerakvsThuban
Merak has a higher Color Index (B-V) (0 vs 0), while Merak has a higher Absolute Magnitude (0 vs -1 mag), while Thuban has a higher Luminosity (256 vs 60 × Sun).
Brightness
2
Apparent Magnitude
4
0
Absolute Magnitude
-1
60
Luminosity
256
Physical Properties
80
Distance
303
9,731
Surface Temperature
10,781
0
Color Index (B-V)
0
Position
11
Right Ascension
14
56
Declination
64
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Data sourced from HYG Database (Free for any purpose, including commercial).