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...
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| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
13 June 2012
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| In: |
Astronomy and astrophysics
Year: 2012, Jahrgang: 542 |
| ISSN: | 1432-0746 |
| DOI: | 10.1051/0004-6361/201118735 |
| Online-Zugang: | 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 
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| Verfasserangaben: | J. Olofsson, A. Juhász, Th Henning, H. Mutschke, A. Tamanai, A. Moór, and P. Ábrahám |
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| 245 | 1 | 0 | |a Transient dust in warm debris disks |b detection of Fe-rich olivine grains |c J. Olofsson, A. Juhász, Th Henning, H. Mutschke, A. Tamanai, A. Moór, and P. Ábrahám |
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| 520 | |a 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. | ||
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