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Deep radio observations at 1.4GHz for the Extended Chandra Deep Field Southwere performed in June through September of 2007 and presented in a first datarelease (Miller et al. 2008). The survey was made using six separate pointingsof the Very Large Array (VLA) with over 40 hours of observation per pointing.In the current paper, we improve on the data reduction to produce a second datarelease (DR2) mosaic image. This DR2 image covers an area of about a third of asquare degree and reaches a best rms sensitivity of 6 uJy and has a typicalsensitivity of 7.4 uJy per 2.8" by 1.6" beam. We also present a morecomprehensive catalog, including sources down to peak flux densities of five ormore times the local rms noise along with information on source sizes andrelevant pointing data. We discuss in some detail the consideration of whethersources are resolved under the complication of a radio image created as amosaic of separate pointings each suffering some degree of bandwidth smearing,and the accurate evaluation of the flux densities of such sources. Finally, theradio morphologies and optical/near-IR counterpart identifications (Bonzini etal. 2012) are used to identify 17 likely multiple-component sources and arriveat a catalog of 883 radio sources, which is roughly double the number ofsources contained in the first data release.

The VLA 1.4GHz Survey of the Extended Chandra Deep Field South: Second Data Release