SphinX: The Solar Photometer in X-Rays

Fabio Reale, Piotr Podgorski, Zbigniew Kordylewski, Stefan Plocieniak, Witold Trzebinski, Marek Siarkowski, Szymon Gburek, Frantisek Farnik, Yurij D. Kotov, Andrey A. Pertsov, Fabio Reale, Sergey V. Kuzin, Kenneth J.H. Phillips, Janusz Sylwester, Miroslaw Kowalinski, Jaroslaw Bakala, Barbara Sylwester

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


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.
Original languageEnglish
Pages (from-to)631-649
Number of pages19
JournalSolar Physics
Publication statusPublished - 2013

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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