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The Arcetri Spectral Code for Optically-Thin Plasmas

Published online by Cambridge University Press:  12 April 2016

Brunella C. Monsignori Fossi  and
Massimo Landini
Brunella C. Monsignori Fossi
Affiliation:
Arcetri Astrophysical Observatory, Florence, Italy
Massimo Landini
Affiliation:
Department of Astronomy and Space Science, University of Florence, Italy

Abstract

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The Arcetri-95 spectral code for optically thin plasmas computes the continuum and line emission of the ions of the most abundant elements. It includes the most updated atomic models and the main atomic processes for ions from Fe IX to Fe XXIII and for ions of the Belike, C-like, and N-like isoelectronic sequences. The power emitted per unit emission measure is produced as a function of temperature and density.

Comparison with observations requires the knowledge of the differential emission measure (DEM) as a function of temperature. A numerical code evaluates the best DEM distribution that satisfies observations and theoretical predictions. The spectral code together with the DEM code allows to compute synthetic spectra for any specified temperature distribution model of the plasma.

Type
XIII. Plasma Diagnostics
Information
International Astronomical Union Colloquium , Volume 152: Astrophysics in the Extreme Ultraviolet , 1996 , pp. 543 - 552
Copyright
Copyright © Kluwer 1996

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