Modeling the dust Spectral Energy Distribution of NGC 4214

Details Modeling the dust Spectral Energy Distribution of NGC 4214 Modeling the dust Spectral Energy Distribution of NGC 4214

2011-11-24

arxiv.org/abs/1111.5791v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

3 pages, 1 figure. To appear in 'The Spectral Energy Distribution of Galaxies' Proceedings IAU Symposium No 284, 2011

Scientific paper

We have carried out a detailed modeling of the dust Spectral Energy Distribution (SED) of the nearby, starbursting dwarf galaxy NGC 4214. A key point of our modeling is that we distinguish the emission from (i) HII regions and their associated photodissociation regions (PDRs) and (ii) diffuse dust. For both components we apply templates from the literature calculated with a realistic geometry and including radiation transfer. The large amount of existing data from the ultraviolet (UV) to the radio allows the direct measurement of most of the input parameters of the models. We achieve a good fit for the total dust SED of NGC 4214. In the present contribution we describe the available data, the data reduction and the determination of the model parameters, whereas a description of the general outline of our work is presented in the contribution of Lisenfeld et al. in this volume.

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