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Atomic calculations for the Fe XX X-ray linesThe atomic data presented here and in Bhatia and Mason (1980) allow the calculation of theoretical intensity ratios for all the EUV, UV, and X-ray lines from Fe XX. Tabulations are presently given for the transitions between levels in the 2s2 2p3, 2s2 2p2 3s, and 2s2 2p2 3d configurations of Fe(19+), and electron collision strengths are calculated by means of the 'distorted wave' approximation. In addition to the theoretical X-ray line intensity ratios, new spectral line identifications from a solar flare are presented.
Document ID
19830047654
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mason, H. E. (NASA Goddard Space Flight Center Laboratory for Astronomy and Solar Physics, Greenbelt, MD; Cambridge University, Cambridge, United Kingdom)
Bhatia, A. K. (NASA Goddard Space Flight Center Laboratory for Astronomy and Solar Physics, Greenbelt, MD, United States)
Date Acquired
August 11, 2013
Publication Date
April 1, 1983
Publication Information
Publication: Astronomy and Astrophysics Supplement Series
Volume: 52
ISSN: 0365-0138
Subject Category
Solar Physics
Accession Number
83A28872
Distribution Limits
Public
Copyright
Other

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