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SphinX soft X-ray spectrophotometer: Science objectives, design and performance |
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| Authors: | S Gburek J Sylwester M Kowalinski J Bakala Z Kordylewski P Podgorski S Plocieniak M Siarkowski B Sylwester W Trzebinski S V Kuzin A A Pertsov Yu D Kotov F Farnik F Reale K J H Phillips |
| Institution: | 1. Space Research Center, Polish Academy of Sciences, Warsaw, Poland 2. P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia 3. National Research Nuclear University “MEPhI”, Moscow, Russia 4. Astronomical Institute of Academy of Sciences of the Czech Republic, Prauge, Czech Republic 5. INAF—G.S. Vaiana Astronomical Observatory, Piazza, Italy 6. Mullard Space Science Laboratory, London, Great Britan |
| Abstract: | The goals and construction details of a new design Polish-led X-ray spectrophotometer are described. The instrument is aimed to observe emission from entire solar corona and is placed as a separate block within the Russian TESIS X- and EUV complex aboard the CORONAS-PHOTON solar orbiting observatory. SphinX uses silicon PIN diode detectors for high time resolution measurements of the solar spectra in the range 0.8–15 keV. Its spectral resolution allows for discerning more than hundred separate energy bands in this range. The instrument dynamic range extends two orders of magnitude below and above these representative for GOES. The relative and absolute accuracy of spectral measurements is expected to be better than few percent, as follows from extensive ground laboratory calibrations. |
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