Nebular and auroral emission lines of [Cl iii] in the optical spectra of planetary nebulae

Electron impact excitation rates in Cl III, recently determined with the R-matrix code, are used to calculate electron temperature (T(e)) and density (N(e)) emission line ratios involving both the nebular (5517.7, 5537.9 Å) and auroral (8433.9, 8480.9, 8500.0 Å) transitions. A comparison of these re...

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Pubblicato in:	Proc Natl Acad Sci U S A
Autori principali:	Keenan, Francis P., Aller, Lawrence H., Ramsbottom, Catherine A., Bell, Kenneth L., Crawford, Fergal L., Hyung, Siek
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	National Academy of Sciences 2000
Soggetti:	Physical Sciences
Accesso online:	https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC18270/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/10759562/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.070590597
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