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Paper: Neutral Hydrogen Absorption against the Radio Galaxy 3C 293 and the LIRG NGC 6240
Volume: 290, Active Galactic Nuclei: from Central Engine to Host Galaxy
Page: 481
Authors: Beswick, R. J.; Pedlar, A.; Mundell, C. G.; Gallimore, J. F.; Peck, A. B.; Taylor, G. B.; Holloway, A. J.
Abstract: We will present recent results from a series of HI absorption observations of 3C 293 made using the GMRT, VLA + Pie Town, MERLIN, global VLBI and combinations of these data sets. Broad HI absorption is detected against the entire sub-arcsecond radio continuum source in all of these experiments. These observations have enabled us to trace the dynamics a distribution of HI on scales down to just a few pcs. We have detected large velocity gradients within the HI gas associated with the AGN which are interpreted as a ring of neutral gas located at a radius of only a few hundred parsecs from the nucleus.
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