Acrab BvsSpica
Spica has a higher Luminosity (2,070 vs 142 × Sun), while Acrab B has a higher Color Index (B-V) (0 vs 0), while Acrab B has a higher Absolute Magnitude (-1 vs -3 mag).
Brightness
5
Apparent Magnitude
1
-1
Absolute Magnitude
-3
142
Luminosity
2,070
Physical Properties
398
Distance
250
10,435
Surface Temperature
14,492
0
Color Index (B-V)
0
Position
16
Right Ascension
13
-20
Declination
-11
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Data sourced from HYG Database (Free for any purpose, including commercial).