Line ratio diagnostics in NGC 1068 indicate AGN outflows are shock-accelerated, with outflowing gas dust-free and 19-110 times denser than disk gas.
Radio Jets Clearing the Way Through a Galaxy: Watching Feedback in Action
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abstract
The energy released by an active galactic nucleus (AGN) has a strong impact on the surrounding interstellar medium (ISM). This feedback is considered to be the regulating factor for the growth of the central massive black hole, and for the rate of star formation in a galaxy. We have located, using Very Long Baseline Interferometry (VLBI), the fast outflow of neutral hydrogen in the young, restarted radio loud AGN 4C12.50. The outflow is located 100 pc from the nucleus where the radio jet interacts with the ISM, as well as around the associated radio lobe. These observations show that the radio plasma drives the outflow and removes gas from the central regions, and that jet driven outflows can play a relevant role in feedback mechanisms.
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astro-ph.GA 2years
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UNVERDICTED 2representative citing papers
SKAO will enable HI and OH absorption surveys to characterize cold gas properties in galaxies from z=0 to beyond z=6.
citing papers explorer
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Dust destruction signals shock-accelerated outflows in the nearby active galaxy NGC 1068
Line ratio diagnostics in NGC 1068 indicate AGN outflows are shock-accelerated, with outflowing gas dust-free and 19-110 times denser than disk gas.
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Tracing Cold Gas in Absorption Across Cosmic Time with the SKA
SKAO will enable HI and OH absorption surveys to characterize cold gas properties in galaxies from z=0 to beyond z=6.