AlkaphrahvsDeneb
Deneb has a higher Luminosity (51,618 vs 393 × Sun), while Deneb has a higher Color Index (B-V) (0 vs 0), while Alkaphrah has a higher Absolute Magnitude (-2 vs -7 mag).
Brightness
4
Apparent Magnitude
1
-2
Absolute Magnitude
-7
393
Luminosity
51,618
Physical Properties
358
Distance
1,412
10,039
Surface Temperature
9,106
0
Color Index (B-V)
0
Position
9
Right Ascension
21
47
Declination
45
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Data sourced from HYG Database (Free for any purpose, including commercial).