Solar Noise Storms

Solar Noise Storms

International Series in Natural Philosophy

1st Edition - January 1, 1977

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  • Author: E. O. Elgaroy
  • eBook ISBN: 9781483187983

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Solar Noise Storms examines the properties and features of solar noise storm phenomenon. The book also presents some theories that can be used to gain a better understanding of the phenomenon. The coverage of the text includes topics that cover the features and behavior of noise storms, such as the observable features of noise storms; the relationship between noise storms and the observable features on the sun; and ordered behavior of storm bursts in the time-frequency plane. The book also covers the spectrum, polarization, and directivity of noise storms. The text will be of great use to astrophysicists, astronomers, and other scientists concerned with the properties and behaviors of celestial bodies.

Table of Contents

  • Preface


    1. Relations between Noise Storms and Optically Observable Features on the Sun

    1.1. The Onset of Noise Storms

    1.2. Relation between Noise Storms and Flares

    1.3. Noise Storms and Sunspots

    1.4. Relative Position of Noise Storm Centers and Optical Centers of Activity

    1.5. The Height of the Storm Centers

    1.6. Double and Multiple Sources

    1.7. Type I Burst Sources

    1.8. Variations in the Source Position

    2. The Spectrum of Noise Storms

    2.1. Background Continuum

    2.2. Storm Bursts

    2.3. Duration of Storm Bursts

    2.4. The Bandwidth

    3. Polarization of Noise Storm Emission

    3.1. Polarization of Continuum

    3.2. Polarization of Storm Bursts

    3.3. Polarization Observations with High Spatial and Time Resolution

    3.4. The Effect of Faraday Rotation on the Observed Polarization

    3.5. Magneto-Ionic Mode Coupling in the Solar Corona

    3.6. Mode Coupling and Polarization of Noise Storms

    3.7. Concluding Remarks on Polarization

    3.8. Some Models of Coronal Magnetic Fields as Deduced from Storm Observations

    4. Directivity

    4.1. Introduction

    4.2. Longitude Effects

    4.3. Observations of the Directivity of Individual Bursts

    4.4. East - West Asymmetry of Noise Storms

    5. Coronal Scattering of Radiation From Noise Storm Sources

    5.1. The Corona as an Inhomogeneous Medium

    5.2. Computation of Coronal Scattering of Radio Waves in the Small Angle Approximation

    5.3. Scattering as Determined by Ray Tracing

    5.4. Observed Features of Storm Emission as Compared with Predictions from Scattering Theory

    6. Ordered Behavior of Storm Bursts in the Time-Frequency Plane

    6.1. Large-Scale Features in Burst Activity

    6.2. Chains of Type I Solar Radio Bursts

    6.3. Time Splitting of Bursts

    6.4. Frequency Splitting

    7. Periodic and Quasi-Periodic Phenomena

    7.1. Intensity Variations in the Background Continuum

    7.2. Relations between Continuum Fluctuations and Other Variable Phenomena

    7.3. Extremely Rapid, Periodic Variations

    3, Metric Noise Storms and Related Phenomena

    8.1. Metric and Decametric Noise Storms

    8.2. Type I Storm Activity and Emission at Short Wavelengths

    8.3. Type I Storms and Stationary Type IV Bursts

    8.4. Relation between Type I Storms and Type III Bursts

    8.5. Metric Type I Storms and Energetic Electrons in the Interplanetary Space

    8.6. Active Regions and Interplanetary Sector Structure

    9. Discussion of Some Observed Features of Noise Storms

    9.1. Introduction

    9.2. Bursts and Background Continuum

    9.3. Energies Involved in Noise Storm Radiation

    9.4. Duration of Type I Bursts

    9.5. Bandwidth of Type I Bursts

    9.6. Frequency Splitting

    10. Introduction to Noise Storm Theories

    10.1. Early Work

    10.2. Models of Storm Regions

    10.3. Some Theoretical Concepts

    11. Plasma Wave Theories of Type 1 Bursts

    11.1. Takakura's Theory

    11.2. Trakhtengert's Theory

    11.3. Sy's Theory

    11.4. Vereshkov's Theory

    11.5. Zaitsev's and Fomichev's Theory

    12. Cyclotron Radiation

    12.1. Fung's And Yip's Theory

    12.2. Melrose's Discussion of Gyromagnetic Emission

    12.3. Mangeney's and Veltri's Theory

    13. Some Theories with Possible Application to Storm Emission

    13.1. Plasma Turbulence and Radio Emission

    13.2. Mode Coupling in a Warm Plasma

    13.3. The Role of Whistlers for the Production of Radio Noise

    13.4. Plasma Emission Due to Fast Isotropic Electrons

    13.5. Considerations Concerning the Background Continuum

    Concluding Remarks


    Author Index

    Subject Index

Product details

  • No. of pages: 378
  • Language: English
  • Copyright: © Pergamon 1977
  • Published: January 1, 1977
  • Imprint: Pergamon
  • eBook ISBN: 9781483187983

About the Author

E. O. Elgaroy

About the Editor

D. ter Haar

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