/ftp/cats/aliases/O/OM2008_1_



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J/AJ/136/1889               The deep SWIRE field I.                (Owen+, 2008)
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	table2.dat
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Beginning of ReadMe : J/AJ/136/1889 20cm observations of deep Swire Field (Owen+, 2008) ================================================================================ The Deep Swire Field. I. 20cm continuum radio observations: a crowded sky. Owen F.N., Morrison G.E. <Astron. J. 136, 1889-1900 (2008)> =2008AJ....136.1889O (SIMBAD/NED BibCode) ================================================================================ ADC_Keywords: Radio sources ; Surveys Keywords: cosmology: observations - galaxies: evolution - galaxies: starburst infrared: galaxies Abstract: We present results from deep radio observations taken with the Very Large Array at a center frequency of 1400MHz covering a region of the Spitzer Wide-area InfraRed Extragalactic Survey of the Spitzer Legacy survey, centered at 10:46:00, +59:01:00 (J2000). The reduction and cataloging of radio sources are described. An electronic catalog of the sources detected above 5sigma is also presented. The survey presented is the deepest so far in terms of the radio source density on the sky. Perhaps surprisingly, the sources down to the bottom of the catalog appear to have median angular sizes still greater than 1-arcsec, like their cousins 10-100 times stronger. The shape of the differential logN-logS counts also seems to require a correction for the finite sizes of the sources to be self-consistent. If the logN-logS normalization remains constant at the lowest flux densities, there are about six sources per square arcminute at 15uJy at 20cm. Given the finite-source size this implies that we may reach the natural confusion limit near 1uJy. Description: Observations were made with the VLA in A, B, C, and D configurations for a total of almost 140hr on-source between 2001 December and 2004 January.