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Goals for the Application of High-Resolution X-ray Spectroscopy to the Diagnosis of Stellar Coronal Plasmas

Published online by Cambridge University Press:  12 April 2016

Jeffrey L. Linsky
Jeffrey L. Linsky*
Affiliation:
Joint Institute for Laboratory Astrophysics University of Colorado and National Institute of Standards and Technology, Boulder, CO, USA

Abstract

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I provide examples of how high-resolution x-ray spectra may be used to determine the temperature and emission measure distributions, electron densities, steady and transient flow velocities, and location of active regions in stellar coronae. For each type of measurement I estimate the minimum spectral resolution required to resolve the most useful spectral features. In general, high sensitivity is required to obtain sufficient signal-to-noise to exploit the high spectral resolution. Although difficult, each measurement should be achievable with the instrumentation proposed for AXAF.

Type
3. Stellar Coronae
Information
International Astronomical Union Colloquium , Volume 115: High Resolution X-ray Spectroscopy of Cosmic Plasmas , 1990 , pp. 94 - 109
Copyright
Copyright © Cambridge University Press 1990

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