Physics
Scientific paper
Mar 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992soph..138..123r&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 138, March 1992, p. 123-131.
Physics
7
Chromosphere, Hydrogen, Ion Production Rates, Photoionization, Solar Prominences, Limb Darkening, Lyman Spectra, Photosphere, Solar Radiation
Scientific paper
New values of hydrogen photoionization rates for subordinate continua arising from bound levels with the principal quantum number i = 2-5 have been evaluated numerically, using an extensive compilation of the observed photospheric radiation fields. These rates can be directly incorporated into the equations of statistical equilibrium as so-called fixed rates. In this paper, the photoionization rates and equivalent radiation temperatures are tabulated for various heights above the photosphere, which is particularly useful for chromospheric and prominence non-LTE modeling. Finally, the results are compared with those previously obtained by other authors.
Heinzel Petr
Rudawy Pawel
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