SiriusvsThuban
Sirius has a higher Absolute Magnitude (1 vs -1 mag), while Thuban has a higher Apparent Magnitude (4 vs -1 mag), while Thuban has a higher Declination (64 vs -17 °).
Brightness
-1
Apparent Magnitude
4
1
Absolute Magnitude
-1
23
Luminosity
256
Physical Properties
9
Distance
303
10,014
Surface Temperature
10,781
0
Color Index (B-V)
0
Position
7
Right Ascension
14
-17
Declination
64
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Data sourced from HYG Database (Free for any purpose, including commercial).