Physics – Optics
Scientific paper
Nov 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sacm.confe..16m&link_type=abstract
The Starburst-AGN Connection under the Multiwavelength Limelight, held 14-16 September 2011. Published online at http://www.scio
Physics
Optics
Scientific paper
We present near-infrared integral field spectroscopy of the nuclear regions of nearby (U)LIRGs in the late stages of major mergers. Our targets are from the GOALS survey. Our observations use the OSIRIS spectrograph on the Keck II telescope, with Keck's laser guide star adaptive optics. With these data we are able to study in detail the effects of nuclear starbursts and AGN activity on the surrounding gas, including excitation mechanisms, temperatures, and ionisation states. We probe resolved star formation and compare the gas kinematics of that of the young stars. In some cases we are able to use stellar or gas kinematics to obtain a dynamical mass measurement of the mass of the central black hole(s). These late-stage merger systems, which tend to harbour both starbursts and AGN in varying amounts, are important laboratories to study these phenomena and their effects on galaxy evolution.
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