AlphardvsCitadelle
Citadelle has a higher Absolute Magnitude (2 vs -2 mag), while Citadelle has a higher Declination (14 vs -9 °), while Alphard has a higher Luminosity (426 vs 10 × Sun).
Brightness
2
Apparent Magnitude
8
-2
Absolute Magnitude
2
426
Luminosity
10
Physical Properties
180
Distance
519
3,886
Surface Temperature
4,943
1
Color Index (B-V)
1
Position
9
Right Ascension
0
-9
Declination
14
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Data sourced from HYG Database (Free for any purpose, including commercial).