AlcyonevsDeneb
Deneb has a higher Color Index (B-V) (0 vs 0), while Deneb has a higher Luminosity (51,618 vs 964 × Sun), while Deneb has a higher Right Ascension (21 vs 4 h).
Brightness
3
Apparent Magnitude
1
-3
Absolute Magnitude
-7
964
Luminosity
51,618
Physical Properties
403
Distance
1,412
11,343
Surface Temperature
9,106
0
Color Index (B-V)
0
Position
4
Right Ascension
21
24
Declination
45
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Data sourced from HYG Database (Free for any purpose, including commercial).