3C 273vsAlderamin
Alderamin has a higher Absolute Magnitude (2 vs -7 mag), while 3C 273 has a higher Distance (326,156 vs 49 light-years), while 3C 273 has a higher Luminosity (61,376 vs 21 × Sun).
Brightness
13
Apparent Magnitude
2
-7
Absolute Magnitude
2
61,376
Luminosity
21
Physical Properties
326,156
Distance
49
8,839
Surface Temperature
7,747
0
Color Index (B-V)
0
Position
12
Right Ascension
21
2
Declination
63
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Data sourced from HYG Database (Free for any purpose, including commercial).