Complete samples of active extragalactic objetcts. III. A 1411 MHz VLA survey.
Abstract
Three selected fields were observed with the Very Large Array at 1411 MHz as part of an ongoing project to compile complete samples of active extragalactic objects. The radio-source list for the field "A" centered on α = 08h54m, δ = +17°30arcmin is presented. Sixty-seven maps cover the area (3×3 deg) so that every point lies within at least one primary half-power beamwidth. The median map noise is 0.5 mJy and the 6σ completeness level is less than 6 mJy over half the field. The synthesized point-source response is an elliptical Gaussian approximately 20×17 arcsec between half-intensity points. The areal density of sources with flux densities in the range 5 < S < 150 mJy was determined. Optical identifications based on position coincidences with 89 objects brighter than B ≈ +21.5 in the A and B survey fields are reported.
- Publication:
-
The Astronomical Journal
- Pub Date:
- August 1985
- DOI:
- Bibcode:
- 1985AJ.....90.1437C