3C 273vsAlhena
3C 273 has a higher Distance (326,156 vs 109 light-years), while 3C 273 has a higher Luminosity (61,376 vs 165 × Sun), while 3C 273 has a higher Color Index (B-V) (0 vs 0).
Brightness
13
Apparent Magnitude
2
-7
Absolute Magnitude
-1
61,376
Luminosity
165
Physical Properties
326,156
Distance
109
8,839
Surface Temperature
10,113
0
Color Index (B-V)
0
Position
12
Right Ascension
7
2
Declination
16
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Data sourced from HYG Database (Free for any purpose, including commercial).