paper

Modeling the Dust Spectral Energy Distributions of Dwarf Galaxies

arXiv:astro-ph/0501666 · doi:10.1063/1.1913932

Abstract

Recent efforts on the modeling of the infrared spectral energy distributions (SEDs) of dwarf galaxies are summarised here. The characterisation of the dust properties in these low metallicity environments is just unfolding, as a result of recently available mid-infrared to millimetre observations. From the limited cases we know to date, it appears that the hard radiation fields that are present in these star-bursting dwarf galaxies, as well as the rampent energetics of supernovae shocks and winds have modified the dust properties, in comparison with those in the Galaxy, or other gas and dust rich galaxies. The sophistication of the SED models is limited by the availability of detailed data in the mid infrared and particularly in the submillimetre to millimetre regime, which will open up in the near future with space-based missions, such as Herschel.

8 pages presented at "The Spectral Energy Distribution of Gas-Rich Galaxies: Confronting Models with Data" Heidelberg (Germany), October 2004. To be published in The Spectral Energy Distribution of Gas-Rich Galaxies, ed. C. Popescu & R. Tuffs (Melville:AIP) in press

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