AlsephinavsAlterf
Alterf has a higher Declination (23 vs -55 °), while Alterf has a higher Color Index (B-V) (2 vs 0), while Alsephina has a higher Absolute Magnitude (0 vs -1 mag).
Brightness
2
Apparent Magnitude
4
0
Absolute Magnitude
-1
90
Luminosity
166
Physical Properties
81
Distance
329
9,619
Surface Temperature
3,733
0
Color Index (B-V)
2
Position
9
Right Ascension
10
-55
Declination
23
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Data sourced from HYG Database (Free for any purpose, including commercial).