Red RectanglevsUnukalhai
Unukalhai has a higher Declination (6 vs -11 °), while Red Rectangle has a higher Distance (1,437 vs 74 light-years), while Unukalhai has a higher Color Index (B-V) (1 vs 0).
Brightness
9
Apparent Magnitude
3
1
Absolute Magnitude
1
49
Luminosity
40
Physical Properties
1,437
Distance
74
7,193
Surface Temperature
4,375
0
Color Index (B-V)
1
Position
6
Right Ascension
16
-11
Declination
6
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Data sourced from HYG Database (Free for any purpose, including commercial).