THE VLA-COSMOS SURVEY. IV. DEEP DATA AND JOINT CATALOG

被引：195

作者：

Schinnerer, E. ^{[1
]}

Sargent, M. T. ^{[1
]}

Bondi, M. ^{[2
]}

Smolcic, V. ^{[3
]}

Datta, A. ^{[4
]}

Carilli, C. L. ^{[4
]}

Bertoldi, F. ^{[3
]}

Blain, A. ^{[5
]}

Ciliegi, P. ^{[6
]}

Koekemoer, A. ^{[7
]}

Scoville, N. Z. ^{[5
]}

机构：

[1] Max Planck Inst Astron, D-69117 Heidelberg, Germany

[2] INAF Ist Radioastron, I-40129 Bologna, Italy

[3] Univ Bonn, Argelander Inst Astron, D-53121 Bonn, Germany

[4] Natl Radio Astron Observ, Socorro, NM 87801 USA

[5] CALTECH, Pasadena, CA 91125 USA

[6] INAF Osservatorio Astron Bologna, I-40127 Bologna, Italy

[7] Space Telescope Sci Inst, Baltimore, MD 21218 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2010年 / 188卷 / 02期

关键词：

cosmology: observations; radio continuum: galaxies; surveys; RADIO-SOURCE POPULATION; EVOLUTION SURVEY COSMOS; FIELD-SOUTH REGION; HUBBLE-DEEP; SOURCE COUNTS; GALAXIES; 1ST; IDENTIFICATIONS; REDSHIFT; RELEASE;

D O I：

10.1088/0067-0049/188/2/384

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the context of the VLA-COSMOS Deep project, additional VLA A array observations at 1.4 GHz were obtained for the central degree of the COSMOS field and combined with the existing data from the VLA-COSMOS Large project. A newly constructed Deep mosaic with a resolution of 2 ''.5 was used to search for sources down to 4 sigma with 1 sigma approximate to 12 mu Jy beam(-1) in the central 50' x 50'. This new catalog is combined with the catalog from the Large project (obtained at 1.'' 5 x 1.'' 4 resolution) to construct a new Joint catalog. All sources listed in the new Joint catalog have peak flux densities of >= 5 sigma at 1.'' 5 and/or 2.'' 5 resolution to account for the fact that a significant fraction of sources at these low flux levels are expected to be slightly resolved at 1.'' 5 resolution. All properties listed in the Joint catalog, such as peak flux density, integrated flux density, and source size, are determined in the 2.'' 5 resolution Deep image. In addition, the Joint catalog contains 43 newly identified multi-component sources.

引用

页码：384 / 404

页数：21

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