AltairvsHadar
Altair has a higher Color Index (B-V) (0 vs 0), while Altair has a higher Absolute Magnitude (2 vs -5 mag), while Altair has a higher Declination (9 vs -60 °).
Brightness
1
Apparent Magnitude
1
2
Absolute Magnitude
-5
11
Luminosity
7,171
Physical Properties
17
Distance
392
8,004
Surface Temperature
14,381
0
Color Index (B-V)
0
Position
20
Right Ascension
14
9
Declination
-60
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Data sourced from HYG Database (Free for any purpose, including commercial).