AlphardvsGraffias
Graffias has a higher Absolute Magnitude (3 vs -2 mag), while Alphard has a higher Luminosity (426 vs 6 × Sun), while Alphard has a higher Color Index (B-V) (1 vs 0).
Brightness
2
Apparent Magnitude
5
-2
Absolute Magnitude
3
426
Luminosity
6
Physical Properties
180
Distance
79
3,886
Surface Temperature
6,625
1
Color Index (B-V)
0
Position
9
Right Ascension
16
-9
Declination
-11
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Data sourced from HYG Database (Free for any purpose, including commercial).