Anatomy of the Nuclear Starburst in M83 from Integral Field Spectroscopy

Details Anatomy of the Nuclear Starburst in M83 from Integral Field Spectroscopy Anatomy of the Nuclear Starburst in M83 from Integral Field Spectroscopy

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006hst..prop10960l&link_type=abstract

HST Proposal ID #10960. Cycle 15

Computer Science

Scientific paper

The metal-rich nuclear starburst galaxy M83 is the closest example of a hot-spot galaxy, whose characterizing property is its complex optical structure. This morphology is most likely caused by a combination of spatially irregular star formation and a patchy interstellar medium. STIS in its slitless mode has the capability to perform multiple-object spectroscopy of point-like star clusters and HII regions within 25" or 450 pc at M83's distance of the galaxy center. We propose to analyze archival slitless ultraviolet spectroscopy and imagery to characterize the stellar and interstellar properties of the starburst. The data will be combined with available ground-based and space-ultraviolet spectroscopy obtained by us with the FUSE and HUT satellites. We will i contrast the cluster and field population, ii investigate age gradients, iii measure outflows of the ionized gas, and iv study the behavior of the dust reddening from local pc to global kpc scales.

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