3C 273vsKapteyn's Star
Kapteyn's Star has a higher Absolute Magnitude (11 vs -7 mag), while 3C 273 has a higher Declination (2 vs -45 °), while 3C 273 has a higher Luminosity (61,376 vs 0 × Sun).
Brightness
13
Apparent Magnitude
9
-7
Absolute Magnitude
11
61,376
Luminosity
0
Physical Properties
326,156
Distance
13
8,839
Surface Temperature
3,730
0
Color Index (B-V)
2
Position
12
Right Ascension
5
2
Declination
-45
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Data sourced from HYG Database (Free for any purpose, including commercial).