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An Evolutionary Disc Model of NGC 5907

Published online by Cambridge University Press:  01 August 2006

Andreas Just ,
C. Möllenhoff  and
A. Borch
Andreas Just
Affiliation:
Astronomisches Rechen-Institut am ZAH, Mönchhofstraße 12-14, 69120 Heidelberg, Germany email: just@ari.uni-heidelberg.de
C. Möllenhoff
Affiliation:
Landessternwarte am ZAH, Königsstuhl 12, 69117 Heidelberg, Germany email: C.Moellenhoff@lsw.uni-heidelberg.de
A. Borch
Affiliation:
Astronomisches Rechen-Institut am ZAH, Mönchhofstraße 12-14, 69120 Heidelberg, Germany email: just@ari.uni-heidelberg.de
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Abstract

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We present the first physical disc model of NGC 5907, which reproduces simultaneouly the multi-band photometry in U, B, V, R, and I- band (Just et al., 2006, A&A in press, astro-ph/0608196). The model is based on the star formation history and dynamical evolution of the disc and includes dust extinction consistent with the dust properties derived from FIR observations. We also find naturally the stellar light eccess of the young sub-population near the midplane (hidden by the dust), which is required to heat the dust.

Keywords

stellar dynamicsgalaxies: evolutionstellar contentstructureISM: dust extinction
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 112
Copyright
Copyright © International Astronomical Union 2007