Physics – Optics
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714246h&link_type=abstract
American Astronomical Society, AAS Meeting #217, #142.46; Bulletin of the American Astronomical Society, Vol. 43, 2011
Physics
Optics
Scientific paper
Aiming to constrain the dynamical processes that dictate black hole accretion rates in Seyfert galaxies, we have begun a program in which we simultaneously probe the stellar and molecular gas kinematics from 1 kpc down to 10 pc in matched samples of Seyfert and quiescent galaxies. Using adaptive optics-assisted integral field K-band spectroscopy we identify differences in these samples including gas content within the central 100 pc, prevalence of thick nuclear gas disks, significance of non-circular motions, frequency of central stellar dispersion drops indicative of past inflow of the interstellar medium, and characteristics of the nuclear star formation (rates and age of last episode). Preliminary results will also be presented from an ongoing effort to interpret the non-circular kinematic signatures observed in the molecular gas via theoretical dynamical models, which will enable us to determine the primary mechanisms responsible for Seyfert AGN fueling and assess their potential impact on galaxy evolution.
Davies Richard I.
Emsellem Eric
Hicks Erin K.
Maciejewski Witold
Malkan Matthew A.
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