AldebaranvsMerak
Merak has a higher Absolute Magnitude (0 vs -1 mag), while Aldebaran has a higher Color Index (B-V) (2 vs 0), while Merak has a higher Declination (56 vs 17 °).
Brightness
1
Apparent Magnitude
2
-1
Absolute Magnitude
0
163
Luminosity
60
Physical Properties
67
Distance
80
3,737
Surface Temperature
9,731
2
Color Index (B-V)
0
Position
5
Right Ascension
11
17
Declination
56
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Data sourced from HYG Database (Free for any purpose, including commercial).