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For refcode 1992A&A...256...56v:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1992A&A...256...56v Compact Steep-Spectrum 3 CR sources: VLA observations at 1.5, 15 and 22.5 GHz W.J.M. van Breugel, C. Fanti, R. Fanti, C. Stanghellini, R.T. Schilizzi, and R.E. Spencer Institute of Geophysics and Planetary Physics, Lawrence Livermore National Laboratory. P.O. Box 808, L-4l3, Livermore, CA 94550, USA Dipartimento di Astronomia, Via Zamboni 33,1-40126, Bologna Italy Istituto di Radioastronomia del CNR, Via Irnerio 46,1-40126 Bologna, Italy Netherlands Foundation for Research in Astronomy Radiosterrenwacht Dwingeloo, Postbus 2, NL-7990 AA, The Netherlands Nuffield Radio Astronomy Laboratories University of Manchester, Jodrell Bank Macclesfield, Cheshire, SKI 1 9L, UK Received July 18, accepted September 4, 1991 Abstract. We present observations of a sample of Compact Steep-Spectrum Sources (CSS) from the 3 CR catalogue, made with the Very Large Array at the frequencies of 1.5, 15 and 22.5 GHz, and with angular resolutions ranging from 0.08 to 4 arcsec. We also present 8.4 GHz observations of 3C 286 and 3C 305.1. Large-scale structure has only been detected in the vicinity of 3C 216, 3C 299, 3C 346 and 3C 380. The low resolution 1.5 GHz data allow stringent upper limits to be set to any large scale (tens of kiloparsecs) low brightness emission in the remaining sources. The observations at the higher frequencies provide maps with the best resolution which can be achieved with the VLA (0.08-0.15 arcsec), and give additional spectral and polarization information. Key words: radio continuum: galaxies - quasars: general - galaxies: jets - techniques: interferometric
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