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Exp Astron (Dordr). 2021;52(1):59-84. doi: 10.1007/s10686-021-09779-9. Epub 2021 Aug 13.

A compact instrument for gamma-ray burst detection on a CubeSat platform I: Design drivers and expected performance.

Experimental astronomy

David Murphy, Alexey Ulyanov, Sheila McBreen, Maeve Doyle, Rachel Dunwoody, Joseph Mangan, Joseph Thompson, Brian Shortt, Antonio Martin-Carrillo, Lorraine Hanlon

Affiliations

  1. School of Physics and Centre for Space Research, University College Dublin, Dublin 4, Ireland.
  2. School of Mechanical and Materials Engineering and Centre for Space Research, University College Dublin, Dublin 4, Ireland.
  3. European Space Agency, ESTEC, 2200 AG Noordwijk, The Netherlands.

PMID: 34744308 PMCID: PMC8556213 DOI: 10.1007/s10686-021-09779-9

Abstract

The Educational Irish Research Satellite 1 (EIRSAT-1) is a 2U CubeSat being developed under ESA's Fly Your Satellite! programme. The project has many aspects, which are primarily educational, but also include space qualification of new detector technologies for gamma-ray astronomy and the detection of gamma-ray bursts (GRBs). The Gamma-ray Module (GMOD), the main mission payload, is a small gamma-ray spectrometer comprising a 25 mm × 25 mm × 40 mm cerium bromide scintillator coupled to an array of 16 silicon photomultipliers. The readout is provided by IDE3380 (SIPHRA), a low-power and radiation tolerant readout ASIC. GMOD will detect gamma-rays and measure their energies in a range from tens of keV to a few MeV. Monte Carlo simulations were performed using the Medium Energy Gamma-ray Astronomy Library to evaluate GMOD's capability for the detection of GRBs in low Earth orbit. The simulations used a detailed mass model of the full spacecraft derived from a very high-fidelity 3D CAD model. The sky-average effective area of GMOD on board EIRSAT-1 was found to be 10 cm

© The Author(s) 2021.

Keywords: Cerium bromide; CubeSats; Detectors; Gamma-ray bursts; Simulations

References

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