AlgiebavsDiadem
Diadem has a higher Absolute Magnitude (3 vs -1 mag), while Algieba has a higher Luminosity (218 vs 5 × Sun), while Algieba has a higher Color Index (B-V) (1 vs 0).
Brightness
2
Apparent Magnitude
4
-1
Absolute Magnitude
3
218
Luminosity
5
Physical Properties
130
Distance
58
4,455
Surface Temperature
6,600
1
Color Index (B-V)
0
Position
10
Right Ascension
13
20
Declination
18
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Data sourced from HYG Database (Free for any purpose, including commercial).