AltairvsChara
Altair has a higher Luminosity (11 vs 1 × Sun), while Chara has a higher Apparent Magnitude (4 vs 1 mag), while Chara has a higher Declination (41 vs 9 °).
Brightness
1
Apparent Magnitude
4
2
Absolute Magnitude
5
11
Luminosity
1
Physical Properties
17
Distance
28
8,004
Surface Temperature
6,015
0
Color Index (B-V)
1
Position
20
Right Ascension
13
9
Declination
41
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Data sourced from HYG Database (Free for any purpose, including commercial).