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Progress in Stellar Spectral Line Formation Theory

  • John E. Beckman
  • Lucio Crivellari

Part of the NATO ASI Series book series (ASIC, volume 152)

Table of contents

  1. Front Matter
    Pages i-xvi
  2. Frequency redistribution problems in line formation theory

  3. Methods in line radiative transfer

    1. Wolfgang Kalkofen
      Pages 153-168
    2. Wolfgang Kalkofen
      Pages 169-174
    3. G. B. Scharmer, M. Carlsson
      Pages 189-198
    4. George B. Rybicki
      Pages 199-206
    5. W. Kalkofen, J. Linsky, G. Rybicki, G. Scharmer, R. Weherse
      Pages 233-237
  4. Observational and theoretical aspects of spectral line formation in astrophysical and laboratory environments

    1. Laboratory environment

      1. P. Jaeglé, G. Jamelot, A. Carillon
        Pages 239-263
    2. Stellar environment

    3. Non-stellar environment

      1. John E. Beckman
        Pages 389-405
  5. Back Matter
    Pages 413-448

About this book

Introduction

Spectral line formation theory is at the heart of astrophysical diagnostic. Our knowledge of abundances, in both stellar and interstellar contexts, comes almost enti­ rely from line analysis, as does a major fraction of our ability to model stellar atmospheres. As new facets of the universe become observable so the techniques of high reso­ lution spectroscopy are brought to bear, with great reward. Improved instruments, such as echelle spectrographs, employ­ ing detectors of high quantum efficiency, have revolutioned our ability to observe high quality line profiles, although until now this ability has been confined to the brightest stars. Fabry-Perot interferometers and their modern deriva­ tives are bringing new ranges of resolving power to studies of atomic and ionic interstellar lines, and of course radio techniques imply exceedingly high resolution for the cool interstellar medium of molecules and radicals. Telescopes in space are extending the spectral range of these types of observations. Already the Copernicus and IUE high resolution spectrographs have given us a tantalizing glimmer of what it will be like to obtain ultraviolet spectra with resolution and signal to noise ratio approaching those obtainable on the ground. Fairly soon Space Telescope will be producing high resolution spectroscopic data of unparal­ leled quali ty and distance range. As often happens in astro­ physics the challenge is now coming from the observers to the theorists to provide interpretational tools which are adequate to the state of the data.

Keywords

instruments interstellar matter spectroscopy telescope universe

Editors and affiliations

  • John E. Beckman
    • 1
    • 2
  • Lucio Crivellari
    • 3
  1. 1.Department of PhysicsQueen Mary CollegeLondonUK
  2. 2.Instituto de Astrofisica de CanariasLa Laguna, TenerifeSpain
  3. 3.Osservatorio Astronomico di TriesteTriesteItaly

Bibliographic information

  • DOI https://doi.org/10.1007/978-94-009-5372-7
  • Copyright Information Springer Science+Business Media B.V. 1985
  • Publisher Name Springer, Dordrecht
  • eBook Packages Springer Book Archive
  • Print ISBN 978-94-010-8870-1
  • Online ISBN 978-94-009-5372-7
  • Series Print ISSN 1389-2185
  • Buy this book on publisher's site
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