3C 273vsAlphecca
Alphecca has a higher Absolute Magnitude (0 vs -7 mag), while 3C 273 has a higher Distance (326,156 vs 75 light-years), while 3C 273 has a higher Luminosity (61,376 vs 60 × Sun).
Brightness
13
Apparent Magnitude
2
-7
Absolute Magnitude
0
61,376
Luminosity
60
Physical Properties
326,156
Distance
75
8,839
Surface Temperature
9,743
0
Color Index (B-V)
0
Position
12
Right Ascension
16
2
Declination
27
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Data sourced from HYG Database (Free for any purpose, including commercial).