Connecting HI Kinematics and Physical Processes in Dwarf Galaxies' ISM

Details Connecting HI Kinematics and Physical Processes in Dwarf Galaxies' ISM Connecting HI Kinematics and Physical Processes in Dwarf Galaxies' ISM

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714709m&link_type=abstract

American Astronomical Society, AAS Meeting #217, #147.09; Bulletin of the American Astronomical Society, Vol. 43, 2011

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We present a comparison of the HI velocity dispersion in cosmological simulations of dwarf galaxies to the VLA-ANGST sample of observed dwarfs. The observations show a clear lower limit to the velocity dispersion in these galaxies. Using state-of-the-art simulations we explore the physical processes that could cause this limit, such as feedback from star formation and effects of gas temperature. We then use the simulations to show the impact these processes have on the interstellar medium in our sample of observed dwarfs.

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