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Diagnostics of EUV Spectral Emission from Boron-like Ions

Published online by Cambridge University Press:  12 April 2016

Jianfang Peng  and
Anil K. Pradhan
Jianfang Peng
Affiliation:
Department of Astronomy, The Ohio State University, Columbus, OH 43210, USA
Anil K. Pradhan
Affiliation:
Department of Astronomy, The Ohio State University, Columbus, OH 43210, USA

Abstract

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Recent developments of EUV diagnostics from transitions in Boron-like ions, C II, N III, O IV, Ne VI, Mg VIII, Al IX, Si X, and S XII, are discussed based on new atomic data (Zhang, Graziani & Pradhan (1994)) and systematic theoretical calculations of line intensity ratios (Peng & Pradhan 1995). The available EUV and UV lines which are good temperature and density diagnostics are summarized. Possible applications of these lines to the investigation of the physical conditions in astrophysical objects are proposed.

Type
XIII. Plasma Diagnostics
Information
International Astronomical Union Colloquium , Volume 152: Astrophysics in the Extreme Ultraviolet , 1996 , pp. 589 - 593
Copyright
Copyright © Kluwer 1996

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