ThubanvsYildun
Yildun has a higher Absolute Magnitude (1 vs -1 mag), while Yildun has a higher Color Index (B-V) (0 vs 0), while Thuban has a higher Luminosity (256 vs 44 × Sun).
Brightness
4
Apparent Magnitude
4
-1
Absolute Magnitude
1
256
Luminosity
44
Physical Properties
303
Distance
172
10,781
Surface Temperature
9,871
0
Color Index (B-V)
0
Position
14
Right Ascension
18
64
Declination
87
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Data sourced from HYG Database (Free for any purpose, including commercial).