Solar Noise Storms

Preface

Introduction


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

References

Author Index

Subject Index