AltairvsHamal
Altair has a higher Right Ascension (20 vs 2 h), while Hamal has a higher Color Index (B-V) (1 vs 0), while Hamal has a higher Luminosity (56 vs 11 × Sun).
Brightness
1
Apparent Magnitude
2
2
Absolute Magnitude
0
11
Luminosity
56
Physical Properties
17
Distance
66
8,004
Surface Temperature
4,407
0
Color Index (B-V)
1
Position
20
Right Ascension
2
9
Declination
23
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Data sourced from HYG Database (Free for any purpose, including commercial).