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Directional-sensitive X-ray/gamma-ray imager on board the VZLUSAT-2 CubeSat for wide field-of-view observation of GRBs in low earth orbit
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SYSNO ASEP 0567761 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Directional-sensitive X-ray/gamma-ray imager on board the VZLUSAT-2 CubeSat for wide field-of-view observation of GRBs in low earth orbit Author(s) Granja, C. (CZ)
Hudec, R. (CZ)
Maršíková, V. (CZ)
Inneman, A. (CZ)
Pína, L. (CZ)
Doubravová, D. (CZ)
Matěj, Z. (CZ)
Daniel, V. (CZ)
Oberta, Peter (FZU-D) RID, ORCIDNumber of authors 9 Article number 241 Source Title Universe. - : MDPI
Roč. 8, č. 4 (2022)Number of pages 16 s. Language eng - English Country CH - Switzerland Keywords X rays ; Gamma rays ; radiation imaging ; X-ray astronomy ; X-ray transients ; GRBs ; CubeSats ; X-ray collimators Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000786134300001 EID SCOPUS 85129141335 DOI 10.3390/universe8040241 Annotation We present a miniaturized and wide field-of-view X-ray and Gamma-ray imager consisting of a segmented 2D optics-collimator coupled to the high-sensitivity semiconductor pixel detector Timepix equipped with a high-Z sensor (CdTe 2000 m thick). The compact payload has been deployed in low-Earth orbit (LEO) onboard the 3U Cubesat VZLUSAT-2 which was launched on 13 January 2022. The instrument is designed to verify small spacecraft borne observation in open space of hard X-ray and Gamma-ray sources both of celestial and atmospheric origin. High-resolution spectral-sensitive X-ray and Gamma-ray images are provided with enhanced event discrimination and wide field-of-view up to 60 . Description of the instrument together with response evaluation and tests in ground with well-defined sources are presented. The intended observational plan for in-orbit measurements is outlined along with astrophysical goals and issues. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2023 Electronic address https://hdl.handle.net/11104/0339012
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