MerakvsSham
Merak has a higher Absolute Magnitude (0 vs -1 mag), while Sham has a higher Color Index (B-V) (1 vs 0), while Sham has a higher Distance (425 vs 80 light-years).
Brightness
2
Apparent Magnitude
4
0
Absolute Magnitude
-1
60
Luminosity
260
Physical Properties
80
Distance
425
9,731
Surface Temperature
5,351
0
Color Index (B-V)
1
Position
11
Right Ascension
20
56
Declination
18
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Data sourced from HYG Database (Free for any purpose, including commercial).