AlfirkvsDeneb
Deneb has a higher Color Index (B-V) (0 vs 0), while Deneb has a higher Luminosity (51,618 vs 1,962 × Sun), while Alfirk has a higher Apparent Magnitude (3 vs 1 mag).
Brightness
3
Apparent Magnitude
1
-3
Absolute Magnitude
-7
1,962
Luminosity
51,618
Physical Properties
685
Distance
1,412
13,609
Surface Temperature
9,106
0
Color Index (B-V)
0
Position
21
Right Ascension
21
71
Declination
45
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Data sourced from HYG Database (Free for any purpose, including commercial).