3C 273vsAlshain
Alshain has a higher Absolute Magnitude (3 vs -7 mag), while 3C 273 has a higher Luminosity (61,376 vs 5 × Sun), while 3C 273 has a higher Distance (326,156 vs 45 light-years).
Brightness
13
Apparent Magnitude
4
-7
Absolute Magnitude
3
61,376
Luminosity
5
Physical Properties
326,156
Distance
45
8,839
Surface Temperature
5,120
0
Color Index (B-V)
1
Position
12
Right Ascension
20
2
Declination
6
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Data sourced from HYG Database (Free for any purpose, including commercial).