NASA NTRS · 19730026245
A simple analytic approximation for dusty stromgren spheres.
Abstract
We interpret recent far-infrared observations of H II regions in terms of true absorption by internal dust of a significant fraction of the Lyman-continuum photons. We present approximate analytic expressions describing the effects of internal dust on the ionization structure of H II regions, and outline a procedure for deducing the properties of this dust from optical and infrared observations.
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Petrosian, V., Silk, J., Field, G. B.. 1972-10-15. A simple analytic approximation for dusty stromgren spheres.. https://ntrs.nasa.gov/citations/19730026245
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