Red RectanglevsSadalsuud
Red Rectangle has a higher Absolute Magnitude (1 vs -3 mag), while Sadalsuud has a higher Luminosity (1,635 vs 49 × Sun), while Sadalsuud has a higher Right Ascension (22 vs 6 h).
Brightness
9
Apparent Magnitude
3
1
Absolute Magnitude
-3
49
Luminosity
1,635
Physical Properties
1,437
Distance
537
7,193
Surface Temperature
5,198
0
Color Index (B-V)
1
Position
6
Right Ascension
22
-11
Declination
-6
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Data sourced from HYG Database (Free for any purpose, including commercial).