3C 273vsMesarthim
3C 273 has a higher Color Index (B-V) (0 vs 0), while Mesarthim has a higher Absolute Magnitude (0 vs -7 mag), while 3C 273 has a higher Distance (326,156 vs 164 light-years).
Brightness
13
Apparent Magnitude
4
-7
Absolute Magnitude
0
61,376
Luminosity
62
Physical Properties
326,156
Distance
164
8,839
Surface Temperature
10,752
0
Color Index (B-V)
0
Position
12
Right Ascension
2
2
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).