Arkab PosteriorvsDeneb
Deneb has a higher Declination (45 vs -45 °), while Arkab Posterior has a higher Absolute Magnitude (1 vs -7 mag), while Deneb has a higher Luminosity (51,618 vs 29 × Sun).
Brightness
4
Apparent Magnitude
1
1
Absolute Magnitude
-7
29
Luminosity
51,618
Physical Properties
134
Distance
1,412
7,158
Surface Temperature
9,106
0
Color Index (B-V)
0
Position
19
Right Ascension
21
-45
Declination
45
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Data sourced from HYG Database (Free for any purpose, including commercial).