AlpheccavsSham
Alphecca 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 75 light-years).
Brightness
2
Apparent Magnitude
4
0
Absolute Magnitude
-1
60
Luminosity
260
Physical Properties
75
Distance
425
9,743
Surface Temperature
5,351
0
Color Index (B-V)
1
Position
16
Right Ascension
20
27
Declination
18
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Data sourced from HYG Database (Free for any purpose, including commercial).