Abstract

view Abstract Citations (145) References (11) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Rate Coefficients for the Excitation of Infrared and Ultraviolet Lines in C ii, N iii, and O IV Blum, Robert D. ; Pradhan, Anil K. Abstract New and improved collision strengths and Maxwellian-averaged rate coefficients for temperatures between 1000 and 40,000 K are presented for all the prominent transitions in the spectra of C II, N III, and O IV. The collision strengths show extensive autoionization structures that are delineated in detail and which enhance the rate coefficients for several transitions by a considerable amount. Maxwellian-averaged collision strengths are calculated for all possible fine-structure transitions along the states included in the eigenfunction expansion of the target ion. All calculations are carried out in the close-coupling approximation using the R-matrix method as adapted for the Opacity Project. Publication: The Astrophysical Journal Supplement Series Pub Date: May 1992 DOI: 10.1086/191670 Bibcode: 1992ApJS...80..425B Keywords: Astronomical Spectroscopy; Carbon; Emission Spectra; Infrared Spectra; Molecular Excitation; Ultraviolet Spectra; Electron Impact; Electron Transitions; Ground State; Nitrogen; Oxygen; Astrophysics; ATOMIC PROCESSES full text sources ADS | data products SIMBAD (1)

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