AlderaminvsRed Rectangle
Alderamin has a higher Declination (63 vs -11 °), while Red Rectangle has a higher Distance (1,437 vs 49 light-years), while Red Rectangle has a higher Apparent Magnitude (9 vs 2 mag).
Brightness
2
Apparent Magnitude
9
2
Absolute Magnitude
1
21
Luminosity
49
Physical Properties
49
Distance
1,437
7,747
Surface Temperature
7,193
0
Color Index (B-V)
0
Position
21
Right Ascension
6
63
Declination
-11
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Data sourced from HYG Database (Free for any purpose, including commercial).