A 1.4 GHz Source Survey in an Area without Nearby Rich Galaxy Clusters

We report on 1.4 GHz continuum observations for 56 contiguous VLA fields, using the D configuration, in a region devoid of nearby, rich galaxy clusters (at z < 0.4). 354 continuum sources are tabulated, with fluxes down to about 1.5 mJy, in an area of about 12^deg^ sq. Only about seven of the 354 radio sources are associated with known rich galaxy clusters at z > 0.4 (tabulated by Gunn, Hoessel, and Oke 1986). We compare source positions with those from an optical catalog (generated from a POSS plate with the use of the Minnesota Automated Plate Scanner) and find mild correlations on angular scales of order 1 arcmin. This suggests some association of radio sources with galaxy groups (sizes of order 200 kpc) at redshifts of order z ~0.1, even though there are no rich galaxy clusters in this redshift range.