AlphardvsHelvetios
Helvetios has a higher Declination (21 vs -9 °), while Helvetios has a higher Absolute Magnitude (4 vs -2 mag), while Alphard has a higher Luminosity (426 vs 1 × Sun).
Brightness
2
Apparent Magnitude
5
-2
Absolute Magnitude
4
426
Luminosity
1
Physical Properties
180
Distance
51
3,886
Surface Temperature
5,721
1
Color Index (B-V)
1
Position
9
Right Ascension
23
-9
Declination
21
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Data sourced from HYG Database (Free for any purpose, including commercial).