AlterfvsPhecda
Phecda has a higher Absolute Magnitude (0 vs -1 mag), while Alterf has a higher Color Index (B-V) (2 vs 0), while Alterf has a higher Distance (329 vs 83 light-years).
Brightness
4
Apparent Magnitude
2
-1
Absolute Magnitude
0
166
Luminosity
62
Physical Properties
329
Distance
83
3,733
Surface Temperature
9,608
2
Color Index (B-V)
0
Position
10
Right Ascension
12
23
Declination
54
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Data sourced from HYG Database (Free for any purpose, including commercial).