MirfakvsYildun
Yildun has a higher Absolute Magnitude (1 vs -4 mag), while Mirfak has a higher Luminosity (4,040 vs 44 × Sun), while Mirfak has a higher Color Index (B-V) (0 vs 0).
Brightness
2
Apparent Magnitude
4
-4
Absolute Magnitude
1
4,040
Luminosity
44
Physical Properties
506
Distance
172
6,476
Surface Temperature
9,871
0
Color Index (B-V)
0
Position
3
Right Ascension
18
50
Declination
87
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Data sourced from HYG Database (Free for any purpose, including commercial).