Deep Radio Observations in the Cdfs/goods Field:. Optical and X-Ray Identifications

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

Recent deep radio observations of the Chandra Deep Field South have revealed sixty-four radio sources in the central area observed by the Hubble Space Telescope's Advanced Camera for Surveys, as part of the Great Observatories Origins Deep Survey. Optical and X-ray identifications of these sources were made using the deep images of this region. Redshifts for the identified sources are drawn from publicly available catalogs of spectroscopic observations and multi-band photometric-based estimates. Using this multiwavelength information a first characterization of the faint radio source population in this region is provided. The sample contains a mixture of star-forming galaxies and active galactic nuclei, as identified by their X-ray properties and optical spectroscopy. Seven of the sixty-four radio sources have no optical identification to z850 ~ 28 mag, with only one of these being detected in the X-rays.

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