The capabilities of a gas scintillation camera for cosmic X-ray astronomy |
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| Authors: | J Davelaar A Peacock B G Taylor J A M Bleeker |
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| Institution: | (1) Space Science Department of the European Space Agency, European Space Research and Technology Centre, Keplerlaan 1, 2200 AG Noordwijk, The Netherlands;(2) Cosmic Ray Working Group, Huygens Laboratory, Wassenaarseweg 78, Leiden, The Netherlands |
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| Abstract: | The capabilities of a gas scintillator camera for use in X-ray astronomy are investigated. Detailed experimental results are presented on both the position and energy resolution over the energy range 0.28 to 6 keV. The energy resolution varies from 38% to 9.5% for 0.28 keV C-K and 6 keV X-rays respectively. Position resolutions of  1.8 mm and 3.5 mm for 6 keV and 1.5 keV Al-K X-rays were obtained. Image quality and uniformity over the camera aperture are also discussed, whilst further techniques leading to improvements in position resolution are outlined. Finally applications of these cameras in conjunction with grazing incidence and coded mask X-ray optics are discussed. |
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