Scholarlink

Gamma-ray scintillation spectrometers DeCoR (Detectors of Cosmic Radiation) developed in SINP MSU are installed on the number of small satellites of the cubesat format, launched in June 2023 into a circular polar orbit with a height of ~550 km. They are designed to study hard x-ray and gamma radiation from solar flares as well as fast variations in near-Earth electron fluxes and astrophysical gamma-ray bursts. The combination of plastic scintillator and CsI(Tl) allows to distinguish between solar flares and electron flux increases. The output data from DeCoR devices are generated both in the form of monitoring and in an event-by-event format. All the data is stored in the non-volatile memory of the payload, thus, taking into account information capability of small satellites, it is possible to select the most important data sections for transmission to Earth. At the present moment, the methodology of a space experiment using DeCoR equipment has been worked out during flight tests. Hard radiation bursts from a number of solar flares of C, M and X classes were recorded and solar cosmic rays were also observed. It is planned to continue the experiment on the satellites mentioned above in the next 1–2 years, as well as to launch new nanosatellites with advanced equipment based on position sensitive detectors using modern scintillator crystals.

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Solar Gamma-Ray Spectrometers on MSU Cubesats: Experimental Methodology and First Results

  • 会议论文

  • 发表日期：

    2026年

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  • V. V. Bogomolov,
  • А. V. Bogomolov,
  • А. F. Iyudin,
  • S. I. Svertilov,
  • N. A. Vasil’ev,
  • E. D. Voskresenskov,
  • I. V. Yashin

摘要

Gamma-ray scintillation spectrometers DeCoR (Detectors of Cosmic Radiation) developed in SINP MSU are installed on the number of small satellites of the cubesat format, launched in June 2023 into a circular polar orbit with a height of ~550 km. They are designed to study hard x-ray and gamma radiation from solar flares as well as fast variations in near-Earth electron fluxes and astrophysical gamma-ray bursts. The combination of plastic scintillator and CsI(Tl) allows to distinguish between solar flares and electron flux increases. The output data from DeCoR devices are generated both in the form of monitoring and in an event-by-event format. All the data is stored in the non-volatile memory of the payload, thus, taking into account information capability of small satellites, it is possible to select the most important data sections for transmission to Earth. At the present moment, the methodology of a space experiment using DeCoR equipment has been worked out during flight tests. Hard radiation bursts from a number of solar flares of C, M and X classes were recorded and solar cosmic rays were also observed. It is planned to continue the experiment on the satellites mentioned above in the next 1–2 years, as well as to launch new nanosatellites with advanced equipment based on position sensitive detectors using modern scintillator crystals.