Published in "Extragalactic Background Radiation", Space Telescope Science Institute Symposium Series 7, 1995, eds. D. Calzetti, M. Livio and P. Madau


ULTRAVIOLET BACKGROUND (THEORY)

Peter Jakobsen


Astrophysics Division, Space Science Department of ESA, ESTEC, NL-2200 AG Noordwijk, The Netherlands


Table of Contents

INTRODUCTION

DIFFUSE UV EMISSION FROM THE INTERGALACTIC MEDIUM
Quasar Absorption Lines in Brief
Redshifted Lyman Alpha Emission from the IGM Revisited
Redshifted HeII lambda 304Å Emission from the IGM Revisited
Accumulated Lyman Continuum Opacity of the Universe

THE INTEGRATED UV LIGHT OF GALAXIES AND QUASARS
Integration of Theoretical Galaxy Evolution Models
UV Background Fluctuation Measurements
Extrapolation of Ultraviolet Galaxy Counts
The Integrated UV Light of Quasars and AGNs

RADIATIVE DECAY OF EXOTIC PARTICLES

SUMMARY AND CONCLUSIONS

APPENDIX: DIFFUSE BACKGROUND FROM EXTRAGALACTIC SOURCES

REFERENCES

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