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Structure and environment of the giant radio galaxy 4C 73.08
Strom, R. G.1,2,3,4; Chen, R.1,5; Yang, J.6; Peng, B.1,5,7
2013-04-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume430Issue:3Pages:2090-2096
AbstractThe giant radio galaxy 4C 73.08 has been observed with the Westerbork Telescope at a wavelength of 21 cm. The radio map obtained is a significant improvement upon previous maps in terms of the combination of high dynamic range, sensitivity and angular resolution. The new map shows that the jet, previously thought to be one-sided, is probably symmetrical with one arm almost lost in the background of extended lobe emission. The brighter, more compact lobe also displays more intense emission from its hotspot and jet. The jets line up well with the nucleus and hotspots, although the hotspot on one side deviates from the lobe major axis. The unusual feature of the radio source's morphology is the existence of curved ridges running transverse to the source major axis. Three of the other galaxies in the 4C 73.08 group are also weak radio sources. We further detect radio emission from the foreground galaxies NGC 2957 and 2963, which form a small group. A background galaxy has double radio components of moderate size which we have mapped; there is an optical companion at the same redshift. Another extended source may be associated with a Two Micron All Sky Survey galaxy.
KeywordGalaxies: Active Galaxies: Groups: General Galaxies: Individual: Vii Zw 292/4c 73.08 Intergalactic Medium Galaxies: Jets Radio Continuum: Galaxies
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1093/mnras/stt033
WOS KeywordCOMPLETE SAMPLE ; SKY SURVEY ; MULTIFREQUENCY ; WESTERBORK ; TELESCOPE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000319260500046
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15528
Collection南极天文中心
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Netherlands Inst Radio Astron ASTRON, NL-7990 AA Dwingeloo, Netherlands
3.Univ Amsterdam, Fac Sci, Astron Inst Anton Pannekoek, NL-1012 WX Amsterdam, Netherlands
4.James Cook Univ, Ctr Astron, Townsville, Qld 4811, Australia
5.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100012, Peoples R China
6.Joint Inst VLBI Europe, NL-7990 AA Dwingeloo, Netherlands
7.Joint Lab Radio Astron Technol, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Strom, R. G.,Chen, R.,Yang, J.,et al. Structure and environment of the giant radio galaxy 4C 73.08[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2013,430(3):2090-2096.
APA Strom, R. G.,Chen, R.,Yang, J.,&Peng, B..(2013).Structure and environment of the giant radio galaxy 4C 73.08.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,430(3),2090-2096.
MLA Strom, R. G.,et al."Structure and environment of the giant radio galaxy 4C 73.08".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 430.3(2013):2090-2096.
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