NOAO >   Observing Info >   Approved Programs >   2013B-0395

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Proposal Information for 2013B-0395


PI: Francisco Mueller-Sanchez, UCLA, fmueller@astro.ucla.edu
Address: Physics Department, 475 Portola Plaza, Los Angeles, CA 90095, USA

CoI: Matthew Malkan, UCLA
CoI: Gregorio Portilla, Universidad Nacional de Colombia

Title: Using the Near-IR Emission Lines to Probe AGN Feedback.

Abstract: We propose to complete our near-IR spectroscopic survey of Seyfert/LINER galaxies from the extended 12(micron) sample of AGNs to draw statistical conclusions about the role of AGN feedback in galaxy evolution. Our integral-field observations are revealing outflows in nearby AGN. By resolving the inner 10-100 parsecs, we are successfully modeling them as biconical shells and measuring their kinetic energy. In some galaxies, this appears sufficient to provide the eagerly-sought ``AGN feedback'' invoked to explain fundamental galaxy properties such as the M_BH-\sigma relation. This work has to be performed in objects for which we have the certainty that: (i) coronal lines are present or (ii) the NLR kinematics exhibits signatures of outflows. We are tackling these points with long-slit spectroscopy of a large, complete, and obscuration-independent sample of AGN. By increasing the number of outflows we can model in 3D (after follow-up integral-field observations at Keck and VLT) we can estimate the impact of AGN feedback in the entire local galaxy population. The proposed observations will provide an unprecedented near-IR spectroscopic database, which is also valuable for several other applications.


National Optical Astronomy Observatory, 950 North Cherry Avenue, P.O. Box 26732, Tucson, Arizona 85726, Phone: (520) 318-8000, Fax: (520) 318-8360



NOAO >   Observing Info >   Approved Programs >   2013B-0395

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