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Article Contents

ABSTRACT

1.INTRODUCTION

2.MULTI-COMPONENT X-RAY EMISSION
2.1.Cygnus A
2.2.Observational Biases

3.NON-GASEOUS X-RAY EMISSION
3.1.Central Engine
3.2.Beamed X-ray Emission
3.3.Non-thermal emission components away from the core

4.THE GASEOUS X-RAY-EMITTING MEDIUM
4.1.Questions and Timescales
4.2.The Evidence

5.THE NEAR FUTURE

6.SUMMARY

REFERENCES