AltairvsKochab
Altair has a higher Absolute Magnitude (2 vs -1 mag), while Kochab has a higher Luminosity (209 vs 11 × Sun), while Kochab has a higher Declination (74 vs 9 °).
Brightness
1
Apparent Magnitude
2
2
Absolute Magnitude
-1
11
Luminosity
209
Physical Properties
17
Distance
131
8,004
Surface Temperature
3,847
0
Color Index (B-V)
1
Position
20
Right Ascension
15
9
Declination
74
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Data sourced from HYG Database (Free for any purpose, including commercial).