AlterfvsKochab
Kochab has a higher Declination (74 vs 23 °), while Alterf has a higher Distance (329 vs 131 light-years), while Alterf has a higher Apparent Magnitude (4 vs 2 mag).
Brightness
4
Apparent Magnitude
2
-1
Absolute Magnitude
-1
166
Luminosity
209
Physical Properties
329
Distance
131
3,733
Surface Temperature
3,847
2
Color Index (B-V)
1
Position
10
Right Ascension
15
23
Declination
74
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Data sourced from HYG Database (Free for any purpose, including commercial).