AchernarvsMerak
Merak has a higher Declination (56 vs -57 °), while Merak has a higher Color Index (B-V) (0 vs 0), while Merak has a higher Absolute Magnitude (0 vs -3 mag).
Brightness
0
Apparent Magnitude
2
-3
Absolute Magnitude
0
1,052
Luminosity
60
Physical Properties
139
Distance
80
12,650
Surface Temperature
9,731
0
Color Index (B-V)
0
Position
2
Right Ascension
11
-57
Declination
56
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Data sourced from HYG Database (Free for any purpose, including commercial).