PKS 1117+146: a new large compact symmetric object

Details PKS 1117+146: a new large compact symmetric object PKS 1117+146: a new large compact symmetric object

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.297..559b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 297, Issue 2, pp. 559-564.

Astronomy and Astrophysics

Astronomy

8

Galaxies: Active, Galaxies: Individual: Pks 1117+146, Radio Continuum: Galaxies

Scientific paper

We present 23-GHz MERLIN observations of the high-luminosity radio galaxy PKS 1117+146. The radio image obtained from these data shows, for the first time, a central weak component (designated C) that we identify as the core of the radio galaxy, and two outer components (designated N and S) which are the hotspots of the extended lobes observed at lower frequencies. Extended emission in components C and S is an indication of a possible jet connecting the core to the strongest component. The overall optical and radio properties of PKS 1117+146 are consistent with the source being classified as a compact symmetric object (CSO). We discuss this hypothesis, which would make PKS 1117+146 the largest CSO known so far.

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