ArcturusvsSirius
Arcturus has a higher Declination (19 vs -17 °), while Sirius has a higher Absolute Magnitude (1 vs 0 mag), while Arcturus has a higher Color Index (B-V) (1 vs 0).
Brightness
0
Apparent Magnitude
-1
0
Absolute Magnitude
1
116
Luminosity
23
Physical Properties
37
Distance
9
4,234
Surface Temperature
10,014
1
Color Index (B-V)
0
Position
14
Right Ascension
7
19
Declination
-17
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Data sourced from HYG Database (Free for any purpose, including commercial).