|This article is an orphan, as no other articles link to it. (December 2008)|
|Observation data (J2000 epoch)|
|Right ascension||19h 40m 25.1s|
|Declination||+60° 41′ 35″|
|Distance||2.348 gigalight-years (720 megaparsecs)h−1
|Type||G, FR II|
|Apparent magnitude (V)||17.13|
|LEDA 2605547, 3C 401, 4C 60.29 , 6C 193938+603431, 8C 1939+605|
|See also: Galaxy, List of galaxies|
3C 401 is a powerful radio galaxy located in the constellation Draco. It is near the center of a rich cluster of galaxies and dominates the cluster. That is, it is the type-cD galaxy of its cluster. It has a double nucleus, indicating that it is merging with another galaxy.
3C 401 is classified as a Faranoff and Riley class II radio source (FR II), but has characteristics of both types of sources. FR II radio sources are brightest at the ends of their radio lobes while FR I sources are brightest toward their centers. 3C 401 has hot spots at the ends of its two extended radio lobes, but also has a bright one-sided jet like a FR I source. The spectra of this jet is also intermediate between the spectra of jets in the two types of sources.
- "NED results for object 3C 401". NASA/IPAC Extragalactic Database. Retrieved 29 March 2012.
- Roche, Nathan; Stephen A. Eales (September 2000). "Optical/ultraviolet morphology and alignment of low-redshift radio galaxies". Monthly Notices of the Royal Astronomical Society 317 (1): 120–140. Bibcode:2000MNRAS.317..120R. doi:10.1046/j.1365-8711.2000.03684.x. Retrieved 30 March 2012.
- Leahy, J. P.; A . H. Bridle, and R. G. Strom. "3CRR Atlas: 3C 401". An Atlas of DRAGNs. Jodrell Bank Centre for Astrophysics. Retrieved 30 March 2012.
- Chiaberg, Marco; et al. (2005 August 10). "The Infrared-dominated Jet of 3C 401". The Astrophysical Journal 629: 100–107. arXiv:astro-ph/0505034. Bibcode:2005ApJ...629..100C. doi:10.1086/431236. Retrieved 30 March 2012.
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