AlrubavsZosma
Zosma has a higher Absolute Magnitude (1 vs 0 mag), while Alruba has a higher Distance (533 vs 58 light-years), while Zosma has a higher Color Index (B-V) (0 vs 0).
Brightness
6
Apparent Magnitude
3
0
Absolute Magnitude
1
117
Luminosity
26
Physical Properties
533
Distance
58
9,918
Surface Temperature
8,766
0
Color Index (B-V)
0
Position
18
Right Ascension
11
54
Declination
21
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Data sourced from HYG Database (Free for any purpose, including commercial).