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On the model of dust in the Small Magellanic Cloud

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arxiv astro-ph/9812460 v1 pith:3BDD3RSG submitted 1998-12-29 astro-ph

On the model of dust in the Small Magellanic Cloud

classification astro-ph
keywords dustmodelscloudexpectedmagellanicsmalltestedabundances
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present here dust models for the Small Magellanic Cloud bar calculated for the first time with the regularization approach. A simple mixture of the core-mantle and/or composite grains (mostly made from silicates and organic refractory) together with silicon nanoparticles is consistent with the following: 1) the observed extinction toward AzV 398 (a typical SMC bar sightline), 2) the elemental abundances, and 3) the strength of the interstellar radiation field. We predict the expected albedo and asymmetry parameter of the models, which can be tested in future observations. The proposed dust models can also be tested by looking for the expected extended red emission.

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  1. Summary of Discussion Sessions from "The Dusty Universe 2025: The Fifth Pandust Conference"

    astro-ph.GA 2026-05 unverdicted novelty 1.0

    The document records key conclusions, challenges, and open questions from discussion sessions at a 2025 conference focused on interstellar, circumstellar, and galactic dust with emphasis on JWST and ALMA results.