AlphardvsAludra
Alphard has a higher Color Index (B-V) (1 vs 0), while Aludra has a higher Luminosity (33,916 vs 426 × Sun), while Aludra has a higher Distance (1,989 vs 180 light-years).
Brightness
2
Apparent Magnitude
2
-2
Absolute Magnitude
-6
426
Luminosity
33,916
Physical Properties
180
Distance
1,989
3,886
Surface Temperature
11,295
1
Color Index (B-V)
0
Position
9
Right Ascension
7
-9
Declination
-29
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Data sourced from HYG Database (Free for any purpose, including commercial).