THE FE-XIV SPECTRUM - PREDICTED LINE-INTENSITIES AND SOLAR IDENTIFICATIONS

Citation
Ak. Bhatia et al., THE FE-XIV SPECTRUM - PREDICTED LINE-INTENSITIES AND SOLAR IDENTIFICATIONS, The Astrophysical journal, 427(1), 1994, pp. 497-510
Citations number
44
Categorie Soggetti
Astronomy & Astrophysics
Journal title
ISSN journal
0004637X
Volume
427
Issue
1
Year of publication
1994
Part
1
Pages
497 - 510
Database
ISI
SICI code
0004-637X(1994)427:1<497:TFS-PL>2.0.ZU;2-Q
Abstract
Level populations and line intensities have been calculated in a 40-le vel model of Fe XIV which includes the configurations 3p3 and 3s3p3d. The results have been compared against intensities of weaker, unidenti fied, or tentatively classified lines in published solar line lists in cluding a recent GSFC/SERTS high-resolution list, and in presently mea sured archival NRL/S082A active region spectra. Seven new lines are id entified as Fe XIV transitions; five other observed, unidentified line s are considered to be Fe XIV transitions on the basis of wave-length coincidence, but require further observations to obtain photometric in tensities for verification; one line at 216.93 angstrom is shown to be due to some other ion than Fe XIV. In addition, a unique forbidden in frared (congruent-to 1.25 mum) line originating in the high metastable level 3s3p3d(F-4(9/2)) is found to have an unusual intensity dependen ce on electron density.