AltairvsKeid
Altair has a higher Declination (9 vs -8 °), while Altair has a higher Luminosity (11 vs 0 × Sun), while Keid has a higher Apparent Magnitude (4 vs 1 mag).
Brightness
1
Apparent Magnitude
4
2
Absolute Magnitude
6
11
Luminosity
0
Physical Properties
17
Distance
16
8,004
Surface Temperature
5,221
0
Color Index (B-V)
1
Position
20
Right Ascension
4
9
Declination
-8
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Data sourced from HYG Database (Free for any purpose, including commercial).