Statistics – Computation
Scientific paper
Jun 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26as...83..501s&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 83, no. 3, June 1990, p. 501-538.
Statistics
Computation
232
Computational Grids, Extraterrestrial Radiation, H Ii Regions, Intergalactic Media, Interstellar Matter, Photoionization, Astronomical Models, Computer Programs, Density Distribution, Light (Visible Radiation)
Scientific paper
An extensive grid of model HII regions has been computed with the photoionization code PHOTO. This grid is mainly intended to provide a tool for extragalactic HII regions studies. The abundances vary from twice to 1/100th solar. The ionizing stars effective temperatures reach 55,000 K, and their number varies from 1 to 10,000. Computed line intensities in the infrared, visible and ultraviolet ranges are displayed, together with the mean ionic fractions and the mean electron temperatures for ions of interest.
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