Abstract We describe the fabrication and flight performance of a balloon-borne large area hard X-ray (20–100 keV) telescope for spectral studies of discrete cosmic X-ray sources. The telescope consists of two multi-wire Xenon filled proportional counters of effective area 1200 cm2 each, mounted on an orientable platform. It can be pre-programmed to track any celestial source with a pointing accuracy of 0.5 degrees. For one hour of observation the telescope has a 5 σ detection sensitivity of 10−5 ph cm−2 s−1. The laboratory test results and the performance in a series of balloon flights conducted in 1984–1986 period is discussed and the preliminary results obtained for some X-ray sources are presented.


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    Titel :

    Fabrication and flight performance of a large area balloon borne hard X-ray telescope


    Beteiligte:
    Rao, A.R. (Autor:in) / Agrawal, P.C. (Autor:in) / Manchanda, R.K. (Autor:in) / Shah, M.R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1987


    Format / Umfang :

    3 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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