Abstract
Many large-scale numerical simulations of astrophysical plasmas must also reproduce the hydrogen ionization and the resulting emission spectrum, in some cases quite accurately. We describe a compact model hydrogen atom that can be readily incorporated into such simulations. It reproduces the recombination efficiency and line spectrum predicted by much larger calculations for a very broad range of densities and temperatures. Uncertainties in hydrogen collision data are the largest source of differences between our compact atom and predictions of more extensive calculations and underscore the need for accurate atomic data.
Document Type
Article
Publication Date
4-10-1997
Digital Object Identifier (DOI)
http://dx.doi.org/10.1086/303880
Repository Citation
Ferguson, Jason W. and Ferland, Gary J., "Accurate Hydrogen Spectral Simulations with a Compact Model Atom" (1997). Physics and Astronomy Faculty Publications. 123.
https://uknowledge.uky.edu/physastron_facpub/123
Notes/Citation Information
Published in The Astrophysical Journal, v. 479, no. 1, p. 363-370.
© 1997. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
The copyright holder has granted permission for posting the article here.