AltairvsAnser
Altair has a higher Absolute Magnitude (2 vs 0 mag), while Anser has a higher Distance (297 vs 17 light-years), while Anser has a higher Luminosity (121 vs 11 × Sun).
Brightness
1
Apparent Magnitude
4
2
Absolute Magnitude
0
11
Luminosity
121
Physical Properties
17
Distance
297
8,004
Surface Temperature
3,791
0
Color Index (B-V)
2
Position
20
Right Ascension
19
9
Declination
25
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Data sourced from HYG Database (Free for any purpose, including commercial).