AlkaphrahvsThuban
Alkaphrah has a higher Color Index (B-V) (0 vs 0), while Thuban has a higher Right Ascension (14 vs 9 h), while Alkaphrah has a higher Luminosity (393 vs 256 × Sun).
Brightness
4
Apparent Magnitude
4
-2
Absolute Magnitude
-1
393
Luminosity
256
Physical Properties
358
Distance
303
10,039
Surface Temperature
10,781
0
Color Index (B-V)
0
Position
9
Right Ascension
14
47
Declination
64
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Data sourced from HYG Database (Free for any purpose, including commercial).