The Molonglo reference catalog/1 Jansky radio source survey. I. Radio galaxy identifications

McCarthy, Patrick J. ; Kapahi, Vijay K. ; Breugel, Wil van ; Persson, S. E. ; Athreya, Ramana ; Subrahmanya, C. R. (1996) The Molonglo reference catalog/1 Jansky radio source survey. I. Radio galaxy identifications The Astrophysical Journal Supplement Series, 107 . pp. 19-36. ISSN 0067-0049

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Official URL: http://ucp.uchicago.edu/cgi-bin/resolve?id=doi:10....

Related URL: http://dx.doi.org/10.1086/192353

Abstract

This is the first in a series of papers discussing the properties of a complete set of radio sources selected near S408 = 1 Jy. We present optical or infrared identifications for a sample of 452 radio galaxies. The sources were selected from the 408 MHz Molonglo Reference Catalog, restricted only by flux density and position on the sky, as follows: S408 ≥ = 0.95 Jy and -30° < decl. (1950) < -20°, and 9h20m < R.A.(1950) < 14h4m or 20h20m < R.A.(1950) < 6h14m. This complete sample, the MRC/1 Jy survey, contains 558 radio galaxies or quasars, of which six are occulted by bright stars or galaxies and two are multiple confused sources. Of the remaining 550 sources, 527, or 96%, are identified to an r magnitude of 25, and eight additional sources are identified to K = 19. Of the 17 unocculted objects that remain unidentified, 15 are sources for which we have either poor radio maps or inadequate optical/IR images. This paper presents finding charts and astrometric positions for the 452 sources that are not identified as either quasars or BL Lacertae objects. Magnitudes in the r passband accurate to typically 0.1 mag are given for 353 of the radio galaxy identifications. Redshifts for 268 of the galaxies are also listed; these have been derived from 450 spectroscopic observations. The radio observations, quasar and BL Lac identifications, spectroscopy, and near- IR images will be presented in subsequent papers in this series.

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Deposited On:08 Sep 2011 10:58
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