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VLBI Morphology of GHz-Peaked Spectrum Radio Galaxies

Published online by Cambridge University Press:  19 July 2016

D. Dallacasa ,
C. Fanti  and
R. Fanti
D. Dallacasa
Affiliation:
Istituto di Radioastronomia-CNR, Bologna, Italy
C. Fanti
Affiliation:
Istituto di Radioastronomia-CNR, Bologna, Italy
R. Fanti
Affiliation:
Istituto di Radioastronomia-CNR, Bologna, Italy

Extract

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GHz-Peaked Spectrum (GPS) radio sources are intrinsically small (< 1 kpc) and unbeamed objects. The galaxies considered here (0316+161, 0404+768, 0428+205, 1323+321, 1358+624, 1819+39, 1829+29) have been selected from the Peacock and Wall (1981) catalogue, and belong to a complete sample of Compact Steep-Spectrum (CSS) radio sources (Fanti et al., 1990). Their radio spectra show a turnover which could be explained in terms of synchrotron self-absorption. It occurs at frequencies ranging from about 100 MHz to 5 GHz and for this reason they do not appear in the 3CR catalogue.

Type
Poster Contributions: Radio Emission (Maps)
Information
Symposium - International Astronomical Union , Volume 159: Multi-Wavelength Continuum Emission of AGN , 1994 , pp. 425
Copyright
Copyright © Kluwer 1994 

References

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