AchirdvsAltair
Altair has a higher Right Ascension (20 vs 1 h), while Altair has a higher Luminosity (11 vs 1 × Sun), while Achird has a higher Declination (58 vs 9 °).
Brightness
3
Apparent Magnitude
1
5
Absolute Magnitude
2
1
Luminosity
11
Physical Properties
19
Distance
17
6,019
Surface Temperature
8,004
1
Color Index (B-V)
0
Position
1
Right Ascension
20
58
Declination
9
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Data sourced from HYG Database (Free for any purpose, including commercial).