A Simple Model For Mid-Infrared Emission from Normal Galaxies

Details A Simple Model For Mid-Infrared Emission from Normal Galaxies A Simple Model For Mid-Infrared Emission from Normal Galaxies

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..381..337n&link_type=abstract

The Second Annual Spitzer Science Center Conference: Infrared Diagnostics of Galaxy Evolution. ASP Conference Series, Vol. 381,

Astronomy and Astrophysics

Astronomy

Scientific paper

We have combined up-to-date stellar population synthesis models, a simple radiative transfer approach, and a fully comprehensive dust model with the aim of developing a simple but quantitative way of interpreting the mid-infrared spectra of galaxies. We apply these models to the observed correlations of mid-infrared luminosities (at 8 and 24 µ) with the star-formation rate of normal galaxies and find that the observations are naturally reproduced by our models. We further find that the observed 24 µ correlation places a weak constraint on relative distribution of dust and stars.

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