Transient dust in warm debris disks: detection of Fe-rich olivine grains

This study focuses on determining the mineralogy of the dust around seven debris disks with evidence for warm dust, based on Spitzer/IRS spectroscopic data, to provide new insights into the origin of the dust grains. We developed and present a new radiative transfer code (Debra) dedicated to spectra...

Full description

Saved in:
Bibliographic Details
Main Authors: Olofsson, Johan (Author) , Tamanai, Akemi (Author)
Format: Article (Journal)
Language:English
Published: 13 June 2012
In: Astronomy and astrophysics
Year: 2012, Volume: 542
ISSN:1432-0746
DOI:10.1051/0004-6361/201118735
Online Access:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1051/0004-6361/201118735
Verlag, kostenfrei, Volltext: https://www.aanda.org/articles/aa/abs/2012/06/aa18735-11/aa18735-11.html
Get full text
Author Notes:J. Olofsson, A. Juhász, Th Henning, H. Mutschke, A. Tamanai, A. Moór, and P. Ábrahám
Description
Summary:This study focuses on determining the mineralogy of the dust around seven debris disks with evidence for warm dust, based on Spitzer/IRS spectroscopic data, to provide new insights into the origin of the dust grains. We developed and present a new radiative transfer code (Debra) dedicated to spectral energy distribution (SED) modeling of optically thin disks. The Debra code is designed such that it can simultaneously determine dust composition and disk properties. We used this code on the SEDs of seven warm debris disks, in combination with recent laboratory experiments on dust optical properties.
Item Description:Gesehen am 17.04.2018
Physical Description:Online Resource
ISSN:1432-0746
DOI:10.1051/0004-6361/201118735