AbstractSince 1983, we have been continuing a programme of balloon-borne hard X-ray observations in the 20–100 keV region using large area multi-wire proportional counters filled with xenon+methane mixture. The instrument consists of two such detectors, each having an effective area of ≈1200 cm2 with a passive collimator of 5° × 5° FWHM. The detectors are mounted on a servo-controlled orientation platform. The energy resolution of the xenon detectors is 10 % FWHM at 22 keV and it is well suited for the detection of cyclotron emission lines in the spectra of X-ray sources. The X-ray light curves and energy spectra of several X-ray sources observed during two recent balloon flights are described.


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    Titel :

    Baloon-borne observations using a large area xenon detector telescope above 20 keV


    Beteiligte:
    Agrawal, P.C. (Autor:in) / Chitnis, V.R. (Autor:in) / Manchanda, R.K. (Autor:in) / Rao, A.R. (Autor:in) / Shah, M.R. (Autor:in) / Dedhia, D.K. (Autor:in) / Mukerjee, K. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 14 , 2 ; 109-112


    Erscheinungsdatum :

    01.01.1993


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Balloon-Borne Observations Using a Large Area Xenon Detector Telescope Above 20 keV

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