MesarthimvsSirius
Mesarthim has a higher Declination (19 vs -17 °), while Mesarthim has a higher Apparent Magnitude (4 vs -1 mag), while Sirius has a higher Color Index (B-V) (0 vs 0).
Brightness
4
Apparent Magnitude
-1
0
Absolute Magnitude
1
62
Luminosity
23
Physical Properties
164
Distance
9
10,752
Surface Temperature
10,014
0
Color Index (B-V)
0
Position
2
Right Ascension
7
19
Declination
-17
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Data sourced from HYG Database (Free for any purpose, including commercial).