Radiative Transfer in Spiral Galaxies: Dust Extinction and Emission

Journal
Date Issued
2005
Author(s)
DOI
Abstract
I review the results of our Monte Carlo models for the radiative transfer in the dusty disks of spiral galaxies. The simulations are compared to observations of dust extinction in the optical and emission in the FIR, with the aim of deriving the amount of interstellar grains, their distribution and the internal extinction in a galaxy. I discuss the main, puzzling, result of this comparison: more dust is needed to explain thermal emission than what is inferred from extinction studies.
Coverage
The spectral energy distribution of gas-rich galaxies: confronting models with data
All editors
Popescu, Cristina C.; Tuffs, Richard J.
Volume
761
Start page
178
Conferenece
THE SPECTRAL ENERGY DISTRIBUTIONS OF GAS-RICH GALAXIES: Confronting Models with Data; International Workshop
Conferenece place
Heidelberg, Germany
Conferenece date
October 4-8, 2004
Uri
Url
Issn Identifier
0094-243X
Ads BibCode
2005AIPC..761..178B
Rights
open.access
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03-BianchiProc2005.pdf

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