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The C1XS X-ray Spectrometer on Chandrayaan-1 |
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| Authors: | M Grande BJ Maddison BJ Kellett J Huovelin CL Duston M Anand A Cook B Foing JN Goswami KH Joy D Kochney S Maurice S Narendranath D Rothery A Shrivastava M Wilding |
| Institution: | a Institute of Mathematical and Physical Sciences, University of Wales, Aberystwyth SY23 3BZ, UK b Rutherford Appleton Laboratory, Chilton, UK c Space Astronomy & Instrumentation Division, ISRO Satellite Centre, Bangalore, India d The Observatory, University of Helsinki, Finland e The Joint UCL/Birkbeck Research School of Earth Sciences, Gower Street, London WC1E 6BT, UK f Centre d’Etude Spatiale des Rayonnements, Université de Toulouse, CNRS, France g Brunel University, UK h Open University, UK i Department of Mineralogy, Natural History Museum, Cromwell Road, London SW7 5BD, UK j PRL, India k Los Alamos National Lab, USA l Berkeley Geochronology Center, Berkeley, CA, USA m IPG Paris, France n ISAS/JAXA, Japan o ESTEC, ESA, Holland p Brown University, USA |
| Abstract: | The Chandrayaan-1 X-ray Spectrometer (C1XS) is a compact X-ray spectrometer for the Indian Space Research Organisation (ISRO) Chandrayaan-1 lunar mission. It exploits heritage from the D-CIXS instrument on ESA's SMART-1 mission. As a result of detailed developments to all aspects of the design, its performance as measured in the laboratory greatly surpasses that of D-CIXS. In comparison with SMART-1, Chandrayaan-1 is a science-oriented rather than a technology mission, leading to far more favourable conditions for science measurements. C1XS is designed to measure absolute and relative abundances of major rock-forming elements (principally Mg, Al, Si, Ca and Fe) in the lunar crust with spatial resolution ?25 FWHM km, and to achieve relative elemental abundances of better than 10%. |
| Keywords: | Moon Lunar composition X-ray spectroscopy Chandrayaan-1 Space instrumentation |
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