MERLIN and VLA observations of compact steep-spectrum radio sources

Details MERLIN and VLA observations of compact steep-spectrum radio sources MERLIN and VLA observations of compact steep-spectrum radio sources

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.240..657s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 240, Oct. 1, 1989, p. 657-687.

Astronomy and Astrophysics

Astronomy

114

Astronomical Spectroscopy, Extragalactic Radio Sources, Very Large Array (Vla), Astronomical Maps, Quasars, Radio Galaxies

Scientific paper

Maps made with MERLIN and the VLA of compact steep-spectrum radio sources at wavelengths of 18, 6 and 2 cm with subarcsecond resolution are presented. The sources were selected from the 3C and Peacock and Wall surveys. A study of the angular structures found shows that the high-frequency survey of Peacock and Wall preferentially selects sources with angular sizes of less than 0.1 arcsec, even though their high-frequency spectra are still steep. The resolved quasars in this study have predominantly complex or distorted structures, whereas the galaxies tend to have simpler 'double' type structure.

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