3C 273vsAlfirk
3C 273 has a higher Color Index (B-V) (0 vs 0), while 3C 273 has a higher Distance (326,156 vs 685 light-years), while Alfirk has a higher Declination (71 vs 2 °).
Brightness
13
Apparent Magnitude
3
-7
Absolute Magnitude
-3
61,376
Luminosity
1,962
Physical Properties
326,156
Distance
685
8,839
Surface Temperature
13,609
0
Color Index (B-V)
0
Position
12
Right Ascension
21
2
Declination
71
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Data sourced from HYG Database (Free for any purpose, including commercial).