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题名: The most compact bright radio-loud AGN-I. A new target sample selected for the space VLBI
作者: An, Tao1, 2; Wu, Xiaocong1, 2; Frey, Sandor3
刊名: ASTROPHYSICS AND SPACE SCIENCE
出版日期: 2014-08-01
卷号: 352, 期号:2, 页码:825-832
关键词: Galaxies: active ; Radio continuum: galaxies ; Surveys ; Techniques: high angular resolution ; Techniques: interferometric
DOI: 10.1007/s10509-014-1979-7
文章类型: Article
英文摘要: We investigated the archival ground-based VLBI images of the extragalactic radio sources included in both the Wilkinson Microwave Anisotropy Probe (WMAP) and the Planck catalogues, and selected 49 bright and compact sources as potential targets for space Very Long Baseline Interferometry (VLBI) observations at mm wavelengths. These sources have a flat radio continuum spectrum between 33 and 94 GHz. They are identified as core-dominated active galactic nuclei (AGN), located at declinations above -40(a similar to), and have never been observed with ground-based VLBI at 86 GHz. The radio properties of the 49 new sources are presented. We compare this new sample with similar samples of compact AGN available from earlier studies. The new candidates, together with the existing bright compact AGN sample identified from 86-GHz ground-based VLBI imaging surveys, form a catalogue of more than 160 AGN. These could be primary targets for mm-VLBI observations on the ground, as well as for future mm-wavelength space VLBI missions such as the project with two satellites currently under study in China.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: ACTIVE GALACTIC NUCLEI ; REFERENCE FRAME SOURCES ; LAMBDA=18 CENTIMETER OBSERVATIONS ; BASE-LINE INTERFEROMETRY ; 5 GHZ ; CALIBRATOR SURVEY ; ASTROMETRIC SUITABILITY ; OBSERVATORY PROGRAM ; BLACK-HOLE ; JETS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000339728100051
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15759
Appears in Collections:毫米波和亚毫米波技术实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing, Jiangsu, Peoples R China
3.FOMI Satellite Geodet Observ, H-1592 Budapest, Hungary
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