A 1.4-GHz survey of the southern European Large-Area ISO Survey region

C. Gruppioni, P. Ciliegi, M. Rowan-Robinson, L. Cram, A. Hopkins, C. Cesarsky, L. Danese, A. Franceschini, R. Genzel, A. Lawrence, D. Lemke, R. G. McMahon, G. Miley, S. Oliver, J.-L. Puget, B. Rocca-Volmerange

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Abstract / Description of output

A deep survey of the European Large-Area ISO Survey (ELAIS) field in the southern celestial hemisphere (hereinafter S1) has been carried out with the Australia Telescope Compact Array (ATCA) at 1.4 GHz. The S1 region, covering about 4 deg^2, has also been surveyed in the mid- and far-infrared (5-200 μm) with the Infrared Space Observatory (ISO). The radio survey provides uniform coverage of the entire S1 region, with a sensitivity (5sigma) of 0.4 mJy over the whole area and 0.2 mJy in the centre. To this sensitivity, virtually all the radio counterparts of the far-infrared extragalactic ISO sources should be detected. This paper presents a radio sample - complete at the 5sigma level - consisting of 581 sources detected at 1.4 GHz. Of these radio sources, 349 have peak flux density in the range 0.2-1 mJy, forming a new homogeneous sample of sub-mJy radio sources. Due to its size, depth and multiwaveband coverage, the sample will allow us to study in greater detail the sub-mJy radio source population. The full catalogue will be available from http://athena.ph.ic.ac.uk/pubs.html
Original languageEnglish
Pages (from-to)297-308
JournalMonthly Notices of the Royal Astronomical Society
Issue number2
Publication statusPublished - 1 Apr 1999

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