VLBI observations of 21 extragalactic radio sources - Search for superluminal sources in the mid-southern hemisphere

	VLBI observations of 21 extragalactic radio sources - Search for superluminal sources in the mid-southern hemisphere
	Hong, XY ; Venturi, T ; Wan, TS ; Jiang, DR ; Shen, ZQ ; Liu, X; Nicolson, G ; Umana, G
刊名	ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
	1999
卷号	134 期号:2 页码:201-210
关键词	radio continuum : galaxies galaxies : active quasars : general
英文摘要	We present the results of VLBI observations of 21 extragalactic radio sources carried out with an ad-hoc VLBI array including Shanghai, Urumqi: Noto, and Hartebeesthoek radio telescopes. Eleven sources are imaged, three of them for the first time with VLBI. Correlated flux densities of the remaining ten sources are given. From comparison with data taken at earlier epochs, the apparent superluminal motion is confirmed in four sources (0420-014. 0552+398, 1334-127 and 2345-167) and two more superluminal candidates (1504-166 and 2243-123) are found. The physical parameters of the four superluminal sources are derived.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
关键词[WOS]	FREQUENCY VARIABLE SOURCES ; ACTIVE GALACTIC NUCLEI ; MILLIARCSECOND STRUCTURE ; REFERENCE FRAME ; COMPLETE SAMPLE ; EMISSION ; EQUIPARTITION ; BLAZARS ; QUASARS ; GHZ
收录类别	SCI
语种	英语
WOS记录号	WOS:000078294400001
内容类型	期刊论文
源URL	[http://119.78.226.72/handle/331011/28257]
专题	上海天文台_VLBI研究室
作者单位	1.CNR, Ist Radioastron, I-40129 Bologna, Italy 2.Chinese Acad Sci, Shanghai Astron Observ, Beijing, Peoples R China 3.Chinese Acad Sci, Urumqi Astron Stn, Beijing, Peoples R China 4.Hartebeesthoek Radio Astron Observ, Krugersdorp, South Africa 5.CNR, Ist Radioastron, Noto, Italy
推荐引用方式 GB/T 7714	Hong, XY,Venturi, T,Wan, TS,et al. VLBI observations of 21 extragalactic radio sources - Search for superluminal sources in the mid-southern hemisphere[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,1999,134(2):201-210.
APA	Hong, XY.,Venturi, T.,Wan, TS.,Jiang, DR.,Shen, ZQ.,...&Umana, G.(1999).VLBI observations of 21 extragalactic radio sources - Search for superluminal sources in the mid-southern hemisphere.ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,134(2),201-210.
MLA	Hong, XY,et al."VLBI observations of 21 extragalactic radio sources - Search for superluminal sources in the mid-southern hemisphere".ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 134.2(1999):201-210.