SiriusvsSpica
Spica has a higher Apparent Magnitude (1 vs -1 mag), while Sirius has a higher Absolute Magnitude (1 vs -3 mag), while Sirius has a higher Color Index (B-V) (0 vs 0).
Brightness
-1
Apparent Magnitude
1
1
Absolute Magnitude
-3
23
Luminosity
2,070
Physical Properties
9
Distance
250
10,014
Surface Temperature
14,492
0
Color Index (B-V)
0
Position
7
Right Ascension
13
-17
Declination
-11
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Data sourced from HYG Database (Free for any purpose, including commercial).