AlphardvsRigil Kentaurus
Rigil Kentaurus has a higher Absolute Magnitude (4 vs -2 mag), while Alphard has a higher Apparent Magnitude (2 vs 0 mag), while Alphard has a higher Luminosity (426 vs 2 × Sun).
Brightness
2
Apparent Magnitude
0
-2
Absolute Magnitude
4
426
Luminosity
2
Physical Properties
180
Distance
4
3,886
Surface Temperature
5,568
1
Color Index (B-V)
1
Position
9
Right Ascension
15
-9
Declination
-61
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Data sourced from HYG Database (Free for any purpose, including commercial).