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Molecular Outflows in Galaxy Merger Simulations with Embedded Active Galactic Nuclei

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2006

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10.1086/504846

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American Astronomical Society
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Narayanan, Desika, Thomas J. Cox, Brant Robertson, Romeel Davé, Tiziana Di Matteo, Lars Hernquist, Philip Hopkins, Craig Kulesa, and Christopher K. Walker. 2006. “Molecular Outflows in Galaxy Merger Simulations with Embedded Active Galactic Nuclei.” The Astrophysical Journal 642 (2): L107–10. https://doi.org/10.1086/504846.

Abstract

We study the effects of feedback from active galactic nuclei (AGNs) on emission from molecular gas in galaxy mergers by combining hydrodynamic simulations that include black holes with a three-dimensional, non-local thermodynamic equilibrium (LTE) radiative transfer code. We find that molecular clouds entrained in AGN winds produce an extended CO morphology with significant off-nuclear emission, which may be detectable via contour mapping. Furthermore, kinematic signatures of these molecular outflows are visible in emission-line profiles when the outflow has a large line-of-sight velocity. Our results can help interpret current and upcoming observations of luminous infrared galaxies, as well as provide a detailed test of subresolution prescriptions for supermassive black hole growth in galaxy-scale hydrodynamic simulations.

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http://nrs.harvard.edu/urn-3:HUL.InstRepos:41381687

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