Physics – Atomic Physics
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ssrv...85..315y&link_type=abstract
Space Science Reviews, Volume 85, Issue 1-2, pp. 315-326
Physics
Atomic Physics
15
Corona, Transition Region, Abundances, Cds/Soho
Scientific paper
The atomic physics relevant to the interpretation of solar spectra produced by plasmas at temperatures ≳ 105 K are discussed. Methods for determining relative abundance ratios are presented and examples provided from the Coronal Diagnostic Spectrometer on board SOHO. In particular, the Fe/Si ratio in the corona is found to be close to photospheric; the Mg/Ne ratio in the transition region is found to vary by an order of magnitude in different solar features. The Mg/Ne ratios in supergranule cell centres and the network are separated for the first time, although no significant differences are found.
Mason Harris E.
Young Paul R.
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