Acrab BvsAlterf
Alterf has a higher Declination (23 vs -20 °), while Alterf has a higher Color Index (B-V) (2 vs 0), while Acrab B has a higher Surface Temperature (10,435 vs 3,733 K).
Brightness
5
Apparent Magnitude
4
-1
Absolute Magnitude
-1
142
Luminosity
166
Physical Properties
398
Distance
329
10,435
Surface Temperature
3,733
0
Color Index (B-V)
2
Position
16
Right Ascension
10
-20
Declination
23
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Data sourced from HYG Database (Free for any purpose, including commercial).