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X-Ray Spectrometry of Galactic Sources in the Energy Range 30–200 keV

Published online by Cambridge University Press:  14 August 2015

A Bui-Van ,
G. Vedrenne ,
Y. Cezac ,
A. Bouigue  and
L. Sabaud
A Bui-Van
Affiliation:
Centre d'Etude Spatiale des Rayonnements, Toulouse, France
G. Vedrenne
Affiliation:
Centre d'Etude Spatiale des Rayonnements, Toulouse, France
Y. Cezac
Affiliation:
Centre d'Etude Spatiale des Rayonnements, Toulouse, France
A. Bouigue
Affiliation:
Observatoire de Toulouse, Toulouse, France
L. Sabaud
Affiliation:
Observatoire de Toulouse, Toulouse, France

Abstract

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We describe a detection unit for X-rays in the energy range 30-200 keV of high directivity (2° FWHM). This directivity is obtained by the use of a honeycomb collimator and completed by an efficient passive shielding. The angular resolution of the detector necessitates the use of a solar sensor so as to track the sources observed during the balloon flight and to localize them with an accuracy of 3.8 arc min. This experiment was launched with balloon at Aire-sur-L'Adour and Gap (France) and the results obtained must permit the flux limit detected to be reduced.

The performances of this detector are analysed as well as their consequences in the study of galactic discrete sources.

Type
Part II: X-ray Astonomy
Information
Symposium - International Astronomical Union , Volume 41: New Technique in Space Astronomy , 1971 , pp. 168 - 179
Copyright
Copyright © Reidel 1971 

References

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