Dielectronic recombination and abundances near quasars

Details Dielectronic recombination and abundances near quasars Dielectronic recombination and abundances near quasars

Jan 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...195..285d&link_type=abstract

Astrophysical Journal, vol. 195, Jan. 15, 1975, pt. 1, p. 285-291.

Astronomy and Astrophysics

Astrophysics

20

Abundance, Carbon, Electron-Ion Recombination, Quasars, Astronomical Models, Electron Transitions, Emission Spectra, Helium, Red Shift

Scientific paper

Major obstacles to determining certain elemental abundances associated with some quasars are (1) a lack of accurately measured helium line intensities, and (2) uncertainty about the extent to which dielectronic recombination, i.e. C(+3) + e(-) yields C(+2), is suppressed at the relevant gas and radiation densities. Some calculated results are presented in an attempt to reduce the latter obstacle.

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