SiriusvsZhang
Zhang has a higher Apparent Magnitude (4 vs -1 mag), while Sirius has a higher Absolute Magnitude (1 vs 0 mag), while Zhang has a higher Color Index (B-V) (1 vs 0).
Brightness
-1
Apparent Magnitude
4
1
Absolute Magnitude
0
23
Luminosity
129
Physical Properties
9
Distance
264
10,014
Surface Temperature
4,949
0
Color Index (B-V)
1
Position
7
Right Ascension
10
-17
Declination
-15
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Data sourced from HYG Database (Free for any purpose, including commercial).