XMM-LSS low-frequency radio counterparts Virtual Observatory Resource

Authors
  1. Cohen A.S.
  2. Rottgering H.J.A.
  3. Kassim N.E.
  4. Cotton W.D.
  5. Perley R.A.,Wilman R.
  6. Best P.
  7. Pierre M.
  8. Birkinshaw M.
  9. Bremer M.
  10. Zanichelli A.
  11. Published by
    CDS
Abstract

The XMM Large-Scale Structure Survey (XMM-LSS) is a major project to map the large-scale structure of the universe out to cosmological distances. An 8x8 region will be surveyed by XMM with planned optical follow-up to produce a three-dimensional map of many hundreds of clusters out to a redshift of z=1. To explore the relation of the large-scale structure to the location and properties of extragalactic radio sources, the XMM-LSS project also includes a low-frequency radio survey of this region. This combination will provide unprecedented insight into how the radio source formation and evolution are affected by the local environment. Here we present preliminary results from our 325 and 74MHz surveys in this region. At 325MHz, we have a flux limit of 4mJy/beam, a resolution of 6.3", and a total of 256 source detections over 5.6deg^2^. At 74MHz, we have a flux limit of 275mJy/beam, a resolution of 30", and a total of 211 source detections over 110deg^2^. We describe these results and explore what they tell us about the population of extragalactic low-frequency radio sources. The 74MHz survey represents the first presentation of a deep, subarcminute resolution survey at such a low frequency. This was made possible by recent advances in both hardware and data reduction algorithms, which we describe in detail.

Keywords
  1. galaxy-clusters
  2. radio-sources
  3. galaxy-classification-systems
Bibliographic source Bibcode
2003ApJ...591..640C
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/591/640
IVOA Identifier IVOID
ivo://CDS.VizieR/J/ApJ/591/640
Document Object Identifer DOI
doi:10.26093/cds/vizier.15910640

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History

2009-04-28T21:58:24Z
Resource record created
2009-04-28T21:58:24Z
Created
2017-10-18T08:23:54Z
Updated

Contact

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CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
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