Masses of Nearby Irregular Galaxies from WIYN IFU data

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

The dynamical masses of NGC 6052 and I Zw 207 are estimated from WIYN IFU data to be of order 1010Msun. Both galaxies have large star formation rates and appear to be interacting systems; they provide a good laboratory to estimate their masses assuming a simplistic model of circular orbit . These types of galaxies are of interest to the problem of evolution of galaxies in that they could be the local counterpart of the irregular galaxies found in large numbers with the Hubble Space Telescope (HST). In estimating the masses of high redshift galaxies with multiple deployable IFUs on large telescope, we will be able to estimate to study the evolution of the mass distribution of galaxies.

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