Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977stin...7813983r&link_type=abstract
Unknown
Astronomy and Astrophysics
Astrophysics
Astrophysics, Far Infrared Radiation, Fine Structure, Forbidden Transitions, Infrared Spectra, Line Spectra, Atomic Structure, Emissivity, Energy Levels, Ion Density (Concentration), Ion Emission, Light (Visible Radiation)
Scientific paper
A recent compilation of atomic parameters was used to calculate the emissivities of a number of fine structure infrared forbidden lines of astrophysical interest. Emissivities and level population densities of ions from isoelectronic configurations 2p1; 2p5, 3p1, and 3p5 (two level ions) were calculated at four temperatures (T=5000 K, 10,000 K, 10,5000 K and 20,000 K) for eighteen ions. Emissivities, level population densities, and relative intensities of both infrared and visible forbidden lines from isoelectronic configurations 2p2, 2p4, 3p2, and 3p4 (five level ions) were also calculated, at the same temperatures, for fifteen ions.
Christopher L. A.
Rugge H. R.
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