AchernarvsAlkaid
Alkaid has a higher Declination (49 vs -57 °), while Alkaid has a higher Right Ascension (14 vs 2 h), while Achernar has a higher Luminosity (1,052 vs 161 × Sun).
Brightness
0
Apparent Magnitude
2
-3
Absolute Magnitude
-1
1,052
Luminosity
161
Physical Properties
139
Distance
104
12,650
Surface Temperature
11,556
0
Color Index (B-V)
0
Position
2
Right Ascension
14
-57
Declination
49
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Data sourced from HYG Database (Free for any purpose, including commercial).