Cygnus X-1vsDiphda
Cygnus X-1 has a higher Declination (35 vs -18 °), while Cygnus X-1 has a higher Right Ascension (20 vs 1 h), while Cygnus X-1 has a higher Distance (1,941 vs 96 light-years).
Brightness
9
Apparent Magnitude
2
0
Absolute Magnitude
0
90
Luminosity
116
Physical Properties
1,941
Distance
96
5,501
Surface Temperature
4,698
1
Color Index (B-V)
1
Position
20
Right Ascension
1
35
Declination
-18
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Data sourced from HYG Database (Free for any purpose, including commercial).