Abstract
view Abstract Citations (52) References (14) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Excitation of C III] λ 1909 and Other Semiforbidden Emission Lines in QSOs and Nebulae Osterbrock, D. E. Abstract Newly calculated collision strengths for 2s2 of C+2 and other isoelectronic ions are integrated over a Maxwellian distribution to give effective collision strengths. The fraction of excitations leading to emission of a line photon is calculated in various density ranges. The possibility of determinin electron densities in the range cm-i from the relative strengths of the two components ? is pointed out. Publication: The Astrophysical Journal Pub Date: April 1970 DOI: 10.1086/150401 Bibcode: 1970ApJ...160...25O full text sources ADS |
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