Acrab BvsDiadem
Diadem has a higher Declination (18 vs -20 °), while Diadem has a higher Absolute Magnitude (3 vs -1 mag), while Diadem has a higher Color Index (B-V) (0 vs 0).
Brightness
5
Apparent Magnitude
4
-1
Absolute Magnitude
3
142
Luminosity
5
Physical Properties
398
Distance
58
10,435
Surface Temperature
6,600
0
Color Index (B-V)
0
Position
16
Right Ascension
13
-20
Declination
18
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Data sourced from HYG Database (Free for any purpose, including commercial).