DenebvsYildun
Yildun has a higher Absolute Magnitude (1 vs -7 mag), while Deneb has a higher Luminosity (51,618 vs 44 × Sun), while Deneb has a higher Distance (1,412 vs 172 light-years).
Brightness
1
Apparent Magnitude
4
-7
Absolute Magnitude
1
51,618
Luminosity
44
Physical Properties
1,412
Distance
172
9,106
Surface Temperature
9,871
0
Color Index (B-V)
0
Position
21
Right Ascension
18
45
Declination
87
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Data sourced from HYG Database (Free for any purpose, including commercial).