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Detecting stellar-wind bubbles through infrared arcs in H ii regions
2016
Astronomy and Astrophysics
Mid-infrared arcs of dust emission are often seen near ionizing stars within HII regions. A possible explanations for these arcs is that they could show the outer edges of asymmetric stellar wind bubbles. We use two-dimensional, radiation-hydrodynamics simulations of wind bubbles within HII regions around individual stars to predict the infrared emission properties of the dust within the HII region. We assume that dust and gas are dynamically well-coupled and that dust properties (composition,
doi:10.1051/0004-6361/201527569
fatcat:rnrxmgqsqfbntfekmjqvgj4bkq