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SphinX: The Solar Photometer in X-Rays |
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| Authors: | Szymon Gburek Janusz Sylwester Miroslaw Kowalinski Jaroslaw Bakala Zbigniew Kordylewski Piotr Podgorski Stefan Plocieniak Marek Siarkowski Barbara Sylwester Witold Trzebinski Sergey V Kuzin Andrey A Pertsov Yurij D Kotov Frantisek Farnik Fabio Reale Kenneth J H Phillips |
| Institution: | 1. Space Research Center, Polish Academy of Sciences, Wroclaw, Poland 2. 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, Ondrejov, Czech Republic 5. G.S. Vaiana Astronomical Observatory, INAF, Palermo, Italy 6. Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Surrey, UK |
| Abstract: | Solar Photometer in X-rays (SphinX) was a spectrophotometer developed to observe the Sun in soft X-rays. The instrument observed in the energy range ≈?1?–?15 keV with resolution ≈?0.4 keV. SphinX was flown on the Russian CORONAS–PHOTON satellite placed inside the TESIS EUV and X telescope assembly. The spacecraft launch took place on 30 January 2009 at 13:30 UT at the Plesetsk Cosmodrome in Russia. The SphinX experiment mission began a couple of weeks later on 20 February 2009 when the first telemetry dumps were received. The mission ended nine months later on 29 November 2009 when data transmission was terminated. SphinX provided an excellent set of observations during very low solar activity. This was indeed the period in which solar activity dropped to the lowest level observed in X-rays ever. The SphinX instrument design, construction, and operation principle are described. Information on SphinX data repositories, dissemination methods, format, and calibration is given together with general recommendations for data users. Scientific research areas in which SphinX data find application are reviewed. |
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