VLA 1.4GHz survey of E-CDF-S Virtual Observatory Resource

Authors
  1. Miller N.A.
  2. Fomalont E.B.
  3. Kellermann K.I.
  4. Mainieri V.
  5. Norman C.,Padovani P.
  6. Rosati P.
  7. Tozzi P.
  8. Published by
    CDS
Abstract

We have observed the Extended Chandra Deep Field-South (E-CDF-S) using a mosaic of six deep Very Large Array (VLA) pointings at 1.4GHz. In this paper, we present the survey strategy, description of the observations, and the first data release. The observations were performed during June through September of 2007 and included from 15 to 17 "classic" VLA antennas and 6 to 11 that had been retrofitted for the Expanded VLA (EVLA). The first data release consists of a 34.1'x34.1' image and the attendant source catalog. The image achieves an rms sensitivity of 6.4{mu}Jy per 2.8"x1.6" beam in its deepest regions, with a typical sensitivity of 8uJy. The catalog is conservative in that it only lists sources with peak flux densities greater than seven times the local rms noise, yet it still contains 464 sources. Nineteen of these are complex sources consisting of multiple components. Cross matching of the catalog to prior surveys of the E-CDF-S confirms the linearity of the flux density calibration, albeit with a slight possible offset (a few percent) in scale. Improvements to the data reduction and source catalog are ongoing, and we intend to produce a second data release in 2009 January.

Keywords
  1. radio-sources
  2. surveys
  3. astronomical-object-identification
Bibliographic source Bibcode
2008ApJS..179..114M
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/179/114
IVOA Identifier IVOID
ivo://CDS.VizieR/J/ApJS/179/114
Document Object Identifer DOI
doi:10.26093/cds/vizier.21790114

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/179/114
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/179/114
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/179/114
IVOA Table Access TAP
https://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/179/114/table2?
https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/179/114/table2?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/179/114/table2?

History

2009-09-26T07:25:55Z
Resource record created
2009-09-26T07:25:55Z
Created
2009-09-26T07:32:45Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr