AltairvsMenkar
Altair has a higher Absolute Magnitude (2 vs -2 mag), while Menkar has a higher Luminosity (490 vs 11 × Sun), while Menkar has a higher Distance (249 vs 17 light-years).
Brightness
1
Apparent Magnitude
3
2
Absolute Magnitude
-2
11
Luminosity
490
Physical Properties
17
Distance
249
8,004
Surface Temperature
3,608
0
Color Index (B-V)
2
Position
20
Right Ascension
3
9
Declination
4
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Data sourced from HYG Database (Free for any purpose, including commercial).