NAOC Open IR  > 射电天文研究部
EVN observations of candidate Compact Symmetric Objects
Xiang, L; Stanghellini, C; Dallacasa, D; Haiyan, Z
2002-04-01
Source PublicationASTRONOMY & ASTROPHYSICS
Volume385Issue:3Pages:768-777
AbstractWe present pc-scale images of ten Compact Symmetric Objects (CSO) candidates observed with the European VLBI network (EVN). Five radio sources have been observed at 1.6 GHz, and five more at 2.3/8.4 GHz, the latter subsample with the inclusion in the VLBI array of 3 antennae normally used for geodesy. These objects were selected from existing samples of GHz Peaked Spectrum (GPS) radio sources with the purpose to find and/or confirm the CSO classification. These new VLBI observations allow us to confirm the classification of two CSO candidates, and to find a few new ones. The association of GPS radio galaxies with a CSO morphology is strengthened by our findings, and this result suggests an efficient way to increase the number of known CSOs by means of VLBI observations of compact radio galaxies showing a convex radio spectrum.
KeywordGalaxies : Active Quasars : General Radio Continuum : Galaxies
DOI10.1051/0004-6361:20020162
Indexed BySCI
Language英语
WOS IDWOS:000174901700007
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8631
Collection射电天文研究部
Affiliation1.CNR, Ist Radioastron, I-96017 Noto, Italy
2.Chinese Acad Sci, Natl Astron Observ, Urumqi 830011, Peoples R China
3.CNR, Ist Radioastron, I-40129 Bologna, Italy
4.Alma Mater Studiorum, Dipartimento Astron, I-40127 Bologna, Italy
5.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Xiang, L,Stanghellini, C,Dallacasa, D,et al. EVN observations of candidate Compact Symmetric Objects[J]. ASTRONOMY & ASTROPHYSICS,2002,385(3):768-777.
APA Xiang, L,Stanghellini, C,Dallacasa, D,&Haiyan, Z.(2002).EVN observations of candidate Compact Symmetric Objects.ASTRONOMY & ASTROPHYSICS,385(3),768-777.
MLA Xiang, L,et al."EVN observations of candidate Compact Symmetric Objects".ASTRONOMY & ASTROPHYSICS 385.3(2002):768-777.
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