Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...370.1071b&link_type=abstract
Astronomy and Astrophysics, v.370, p.1071-1087 (2001)
Astronomy and Astrophysics
Astrophysics
20
Sun: General, Atomic Data, Uv Sun: Radiations, Plasmas
Scientific paper
A new set of radiative and electron collisional data for Fe XII was presented in two earlier papers. In the present work, we derive level populations and theoretical line intensities for a range of plasma densities and temperatures. Observations of Fe XII lines obtained with the Solar EUV Rocket Telescope and Spectrograph are analysed both as a check the quality of the new atomic data and to determine the electron density in active regions and the quiet Sun. The discrepancy between the electron density values determined from Fexii line intensity ratios and those obtained from other ions is investigated. Tables 2-5 are also available in electronic form at the CDS via anonymous ftp to cdarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/370/1071}
Binello A. M.
Brosius Jeffrey W.
Landi Enrico
Mason Harris E.
Storey Peter J.
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