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Modeling the dust Spectral Energy Distribution of NGC 4214

Published online by Cambridge University Press:  17 August 2012

Israel Hermelo
Affiliation:
Departamento de Física Teórica y del Cosmos, Universidad de Granada, Spain email: israelhermelo@ugr.es, ute@ugr.es, mrelano@ugr.es
Ute Lisenfeld
Affiliation:
Departamento de Física Teórica y del Cosmos, Universidad de Granada, Spain email: israelhermelo@ugr.es, ute@ugr.es, mrelano@ugr.es
Mónica Relaño
Affiliation:
Departamento de Física Teórica y del Cosmos, Universidad de Granada, Spain email: israelhermelo@ugr.es, ute@ugr.es, mrelano@ugr.es
Richard J. Tuffs
Affiliation:
Max Planck Institut für Kernphysik, Heidelberg, Germany email: Richard.Tuffs@mpi-hd.mpg.de
Cristina C. Popescu
Affiliation:
Jeremiah Horrocks Institute for Astrophysics and Supercomputing, University of Central Lancashire, Preston, U.K. email: cpopescu@uclan.ac.uk
Jörg Fischera
Affiliation:
Canadian Institute for Theoretical Astrophysics (CITA), University of Toronto email: fischera@cita.utoronto.ca
Brent Groves
Affiliation:
Max Planck Institut für Astronomie, Heidelberg, Germany email: brent@mpia.de
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Abstract

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.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2012

References

Condon, J. J. 1992, ARAA, 30, 575CrossRefGoogle Scholar
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MacKenty, J. W., Maíz-Apellániz, J., Pickens, C. E., et al. 2000, AJ, 120, 3007CrossRefGoogle Scholar
Popescu, C. C., Tuffs, R. J., Dopita, M. A. et al. 2011, A&A, 527, A109.Google Scholar
Úbeda, L., Maíz-Apellániz, J., & MacKenty, J. W. 2007, AJ, 133, 932CrossRefGoogle Scholar
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