AltairvsAncha
Altair has a higher Declination (9 vs -8 °), while Ancha has a higher Distance (187 vs 17 light-years), while Altair has a higher Absolute Magnitude (2 vs 0 mag).
Brightness
1
Apparent Magnitude
4
2
Absolute Magnitude
0
11
Luminosity
62
Physical Properties
17
Distance
187
8,004
Surface Temperature
4,794
0
Color Index (B-V)
1
Position
20
Right Ascension
22
9
Declination
-8
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Data sourced from HYG Database (Free for any purpose, including commercial).