Theoretical Mid-Infrared Modeling of Starburst Galaxies

Details Theoretical Mid-Infrared Modeling of Starburst Galaxies Theoretical Mid-Infrared Modeling of Starburst Galaxies

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21114113l&link_type=abstract

American Astronomical Society, AAS Meeting #211, #141.13; Bulletin of the American Astronomical Society, Vol. 39, p.993

Astronomy and Astrophysics

Astronomy

Scientific paper

We investigated the ability of the stellar models Starburst99 and MappingsIII to model starburst galaxies using infrared diagnostics and Spitzer data. The infrared diagnostics were useful for distinguishing between starforming galaxies and AGN. The theoretical starburst models indicate that the infrared emission-line ratios are largely degenerate and are extremely sensitive to the age of the stellar population and the star formation history prescription (instantaneous versus continuous). Additional information from the near-infrared or optical spectra are required to resolve the degeneracies encountered in the infrared emission-line ratios. This work was conducted by a Research Experience for Undergraduates (REU) position at the University of Hawaii's Institute for Astronomy and funded by the NSF.

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