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On the Ion Broadening of the 12 μm lines of Atomic Magnesium

Published online by Cambridge University Press:  03 August 2017

D. Hoang-Binh  and
H. Van Regemorter
D. Hoang-Binh
Affiliation:
LAM, Observatoire de Paris, F-92195 Meudon Cédex, France
H. Van Regemorter
Affiliation:
LAM, Observatoire de Paris, F-92195 Meudon Cédex, France

Abstract

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We have investigated the impact broadening of the 12 μm lines. Ion broadening is found to follow the adiabatic theory, whereas electron broadening needs a non-adiabatic treatment. This relaxes the fixed width/shift ratio, as found by Chang and Schoenfeld (1991), using a pure adiabatic analysis.

Keywords

atomic processesinfrared: starsMg I
Type
Part 4: Infrared Atomic Physics and Line Formation
Information
Symposium - International Astronomical Union , Volume 154: Infrared Solar Physics , 1994 , pp. 353 - 357
Copyright
Copyright © Kluwer 1994 

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