AlpheratzvsAltair
Altair has a higher Color Index (B-V) (0 vs 0), while Altair has a higher Absolute Magnitude (2 vs 0 mag), while Altair has a higher Right Ascension (20 vs 0 h).
Brightness
2
Apparent Magnitude
1
0
Absolute Magnitude
2
114
Luminosity
11
Physical Properties
97
Distance
17
10,625
Surface Temperature
8,004
0
Color Index (B-V)
0
Position
0
Right Ascension
20
29
Declination
9
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Data sourced from HYG Database (Free for any purpose, including commercial).