AlterfvsHelvetios
Helvetios has a higher Absolute Magnitude (4 vs -1 mag), while Alterf has a higher Luminosity (166 vs 1 × Sun), while Alterf has a higher Distance (329 vs 51 light-years).
Brightness
4
Apparent Magnitude
5
-1
Absolute Magnitude
4
166
Luminosity
1
Physical Properties
329
Distance
51
3,733
Surface Temperature
5,721
2
Color Index (B-V)
1
Position
10
Right Ascension
23
23
Declination
21
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Data sourced from HYG Database (Free for any purpose, including commercial).