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X-ray observations from the satellites copernicus and ariel 5.

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thesis
posted on 19.11.2015, 09:17 by Anthony. Peacock
This thesis describes the pre-flight preparation and analysis of results from two satellites containing experiments for cosmic X-ray Astronomy. The Copernicus satellite could be pointed to within thirty arc seconds with high spacial resolution, and was consequently used to map three extended extragalactic X-ray sources in clusters of galaxies. The previous observations of all three clusters are reviewed, together with the possible X-ray emission mechanisms capable of producing such extended sources. The Copernicus observations showed that all three extended X-ray regions in the Coma, Perseus and Virgo clusters were non uniform, and indeed very complex, being probably each centred on an active galaxy. Pre-flight preparation for two experiments on Ariel 5; a Spectrometer/Polarimeter, and a Sky Survey scanning experiment, are described in detail. Preliminary results on Cygnus X-3 from both experiments are presented in Appendix III, which indicate the source was in a high intensity low temperature state at the time of observation by Ariel-5.

History

Date of award

01/01/1975

Author affiliation

Physics and Astronomy

Awarding institution

University of Leicester

Qualification level

Doctoral

Qualification name

PhD

Language

en

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