AlmachvsAltair
Altair has a higher Absolute Magnitude (2 vs -3 mag), while Almach has a higher Luminosity (1,828 vs 11 × Sun), while Almach has a higher Distance (393 vs 17 light-years).
Brightness
2
Apparent Magnitude
1
-3
Absolute Magnitude
2
1,828
Luminosity
11
Physical Properties
393
Distance
17
4,000
Surface Temperature
8,004
1
Color Index (B-V)
0
Position
2
Right Ascension
20
42
Declination
9
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Data sourced from HYG Database (Free for any purpose, including commercial).