Abstract
A model, in which an extragalactic radio source consists of an energy source at the centre of a galaxy, feeding distant radio lobes via two oppositely directed jets of plasma provides a qualitative explanation of the appearance of most sources, any differences between them resulting from orientation dependent effects1, but does not however, account for the steep-spectrum compact sources (SSCSs) which comprise ∼30% of all steep-spectrum extragalactic radio sources2,3. One possibility is that a dense interstellar gas prevents jets leaving the galaxy in these objects4. In this case the gas should be detectable through its effects on polarized radio emission. High resolution observations at comparatively low radio frequencies are required to test for this. Here, we present a MERLIN map of 3C380, an SSCS with a structure that may be interpreted as the result of interactions between a jet and gas5. The quasar 3C380 is at redshift z =0.691 (ref. 6).
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Flatters, C. MERLIN polarization observations of the quasar 3C380. Nature 326, 683–684 (1987). https://doi.org/10.1038/326683a0
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DOI: https://doi.org/10.1038/326683a0
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