A Guide to the Solar Corona

A Guide to the Solar Corona

1st Edition - January 1, 1966

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  • Author: Donald E. Billings
  • eBook ISBN: 9781483274188

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A Guide to the Solar Corona is specifically directed to the space scientist or engineer who is not a specialist in solar physics, but whose work requires a fairly detailed knowledge of the corona. It is hoped that the material may prove useful to most graduate students in astrophysics, while solar physicists may find some topics of interest and value to them. The book contains 12 chapters and begins with three descriptive chapters that provide the casual reader with a concept of the corona as it is evident through more or less direct observation. Topics covered include the development of coronal science, observational techniques, and observational aspects of the corona. The next chapter discusses methods of analyzing coronal data. Subsequent chapters present theoretical considerations as they are applicable to the corona. These combine theory with observation to provide a description of the various aspects of the corona. The final chapter is a combination of established ideas and speculation on the place of the corona in the universe.

Table of Contents

  • Preface

    Chapter 1 Historical Introduction

    A. Coronal Science of the Nineteenth Century

    B. Developments during the Early Twentieth Century

    C. The Key Years 1930-1942

    D. The High-Temperature Corona

    E. The State of Coronal Science


    Chapter 2 Observational Techniques

    A. Eclipse Observation Techniques

    B. Coronagraphy

    C. Coronal Observing from above the Earth's Atmosphere

    D. Radio-Frequency Techniques


    Chapter 3 Observational Aspects of the Corona

    A. Introduction

    B. The White-Light Corona

    C. The Visual Monochromatic Corona

    D. The Ultraviolet Corona

    E. The Radio Corona

    F. The Probed Corona


    Chapter 4 Special Methods of Data Analysis

    A. Introduction

    B. Analysis of Eclipse Photographs

    C. Analysis of K-Coronameter Observations

    D. Emission-Line Intensity Measurements

    E. Line-Profile Analysis


    Chapter 5 The Nature of the Coronal Gas

    A. Kinetic Properties of the Gas

    B. Chemical Composition of the Corona

    C. State of Ionization

    D. Excitation of Coronal Ions


    Chapter 6 Radiative Processes in the Corona

    A. Introduction

    B. Scattering of Photospheric Radiation

    C. Thermal Emission

    D. Magnetic Emission

    E. Plasma Emission


    Chapter 7 The Mechanics of the Corona

    A. Introduction

    B. Hydromagnetic Considerations

    C. The Problem of Coronal Heating

    D. Gross Dynamics of the Corona


    Chapter 8 Density Distribution in the Corona

    A. General Problems

    B. Average Density Distributions near the Sun

    C. Single-Parameter Designation of Time-Dependent Coronal Density

    D. Density Models of Coronal Features

    E. Coronal Densities far from the Sun


    Chapter 9 The Temperature of the Corona

    A. Temperatures by Degree of Ionization

    B. Temperatures from Line Profiles

    C. The Radio Temperature of the Corona

    D. Temperature from Density Distributions

    E. Radar Determination of Coronal Temperature

    F. Space-Probe Measurements of Coronal Temperature

    G. A Thumbnail Summary of Coronal Temperatures


    Chapter 10 Magnetic Fields in the Corona

    A. Postulation of Magnetic Fields

    B. Evidence for the Presence of Magnetic Fields

    C. Quantitative Information on Magnetic Fields


    Chapter 11 Relation to Other Activity

    A. Introduction

    B. Relation to Prominences

    C. Relation to Flares


    Chapter 12 The Corona in the Universe

    A. The Extent of the Corona

    B. Corona-Terrestrial Interrelationships

    C. Origin and Replenishment of the Corona

    D. Coronas of Other Stars

    E. Coronas of Planets

    F. Conclusion


    Appendix I

    Appendix II

    Appendix III

    Appendix IV

    Appendix V

    Contemporary Bibliography

    Author Index

    Subject Index

Product details

  • No. of pages: 344
  • Language: English
  • Copyright: © Academic Press 1966
  • Published: January 1, 1966
  • Imprint: Academic Press
  • eBook ISBN: 9781483274188

About the Author

Donald E. Billings

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