AlcorvsHelvetios
Alcor has a higher Luminosity (14 vs 1 × Sun), while Helvetios has a higher Color Index (B-V) (1 vs 0), while Alcor has a higher Declination (55 vs 21 °).
Brightness
4
Apparent Magnitude
5
2
Absolute Magnitude
4
14
Luminosity
1
Physical Properties
82
Distance
51
8,411
Surface Temperature
5,721
0
Color Index (B-V)
1
Position
13
Right Ascension
23
55
Declination
21
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Data sourced from HYG Database (Free for any purpose, including commercial).