AchernarvsRed Rectangle
Red Rectangle has a higher Color Index (B-V) (0 vs 0), while Red Rectangle has a higher Absolute Magnitude (1 vs -3 mag), while Achernar has a higher Luminosity (1,052 vs 49 × Sun).
Brightness
0
Apparent Magnitude
9
-3
Absolute Magnitude
1
1,052
Luminosity
49
Physical Properties
139
Distance
1,437
12,650
Surface Temperature
7,193
0
Color Index (B-V)
0
Position
2
Right Ascension
6
-57
Declination
-11
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Data sourced from HYG Database (Free for any purpose, including commercial).