Sub-kiloparsec e-MERLIN imaging shows that most radio-quiet quasars in the Quasar Feedback Survey host compact radio jets or AGN-related structures, raising the radio-AGN fraction to 86%.
The LeMMINGs survey: probing sub-kpc radio structures of nearby galaxies with e-MERLIN
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abstract
The Legacy e-MERLIN Multi-band Imaging of Nearby Galaxies survey (LeMMINGs) is a statistically-complete census of nuclear accretion and star formation processes in the local Universe. The LeMMINGs observations at 1.5 and 5 GHz yield angular resolutions on 10s milliarcsecond-scales, with sensitivities of 10s $\mu$Jy. Awarded 810 hours of observing time, the full statistical sample (at 1.5 GHz) plus several studies of individual objects have now been published. Combined with multi-wavelength follow up observations, this survey will provide a unique legacy data set of our Galactic back yard. We present an overview of the LeMMINGs results so far, including the 1.5 GHz sample results and associated Chandra X-ray data. We describe the next steps for LeMMINGs to analyse the 5 GHz survey and produce widefield images to categories all radio sources in the LeMMINGs galaxies.
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The Quasar Feedback Survey: zooming into the origin of radio emission with e-MERLIN
Sub-kiloparsec e-MERLIN imaging shows that most radio-quiet quasars in the Quasar Feedback Survey host compact radio jets or AGN-related structures, raising the radio-AGN fraction to 86%.