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physical object > natural object > celestial body > collection of stars > galaxy > radio galaxy > double radio source > Cygnus A
Up: double radio source, X-ray source

Cygnus A
(3C 405, 2U 1957+40)
subjectfact 
Cygnus Ahas synonym 3C 405has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:19.0
has synonym 2U 1957+40has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:19.0
has definition A double radio source, the third strongest radio source in the sky (after the Sun and Cas A), at one time believed to be caused by the collision of two galaxies. It has now been identified with a distant peculiar cD galaxy (z ≈ 0.056).has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:19.0
is an instance of double radio source2001-09-27 09:31:19.0
is an instance of X-ray source2001-09-27 09:31:19.0
X-ray sourcehas wavelength X-ray2001-09-27 09:30:23.0
is a part of celestial sphere2001-09-27 09:30:23.0
celestial bodyhas spectra2001-09-27 09:30:09.0
radio sourceis a part of celestial sphere2001-09-27 09:30:21.0
has catalog radio source catalog2001-09-27 09:30:21.0
galaxyhas number of stars 106 to 10122001-09-27 09:31:09.0
has catalog galaxy catalog2001-09-27 09:31:09.0
physical objecthas location or center of gravity2001-09-27 09:27:27.0
has angular momentum2001-09-27 09:27:27.0
has mass2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0

Up: double radio source, X-ray source