AlphardvsMesarthim
Mesarthim has a higher Declination (19 vs -9 °), while Mesarthim has a higher Absolute Magnitude (0 vs -2 mag), while Alphard has a higher Color Index (B-V) (1 vs 0).
Brightness
2
Apparent Magnitude
4
-2
Absolute Magnitude
0
426
Luminosity
62
Physical Properties
180
Distance
164
3,886
Surface Temperature
10,752
1
Color Index (B-V)
0
Position
9
Right Ascension
2
-9
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).