AlkaphrahvsOnkaria
Onkaria has a higher Absolute Magnitude (14 vs -2 mag), while Alkaphrah has a higher Luminosity (393 vs 0 × Sun), while Onkaria has a higher Color Index (B-V) (2 vs 0).
Brightness
4
Apparent Magnitude
15
-2
Absolute Magnitude
14
393
Luminosity
0
Physical Properties
358
Distance
42
10,039
Surface Temperature
3,465
0
Color Index (B-V)
2
Position
9
Right Ascension
17
47
Declination
5
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Data sourced from HYG Database (Free for any purpose, including commercial).