PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - CRI - Cosmic Ray Indirect
Integration and qualification of the Mini-EUSO telescope on board the ISS
A. Belov, F. Capel, M. Casolino, A. Franceschi, P. Klimov, L. Marcelli, T. Napolitano, P. Picozza, L.W. Piotrowski, E. Reali, M. Ricci, G. Cambiè*, A.S. Belov, F. Capel, M. Casolino, A. Franceschi, P. Klimov, L. Marcelli, T. Napolitano, P. Picozza, L. Wiktor Piotrowski, E. Reali and M. Ricci
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Pre-published on: July 23, 2021
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Mini-EUSO is a new space-based experiment designed primarily to observe showers that develop in atmosphere due to the interaction between molecular nitrogen and Ultra High Energy Cosmic particles (above 1021 eV) crossing by. It belongs to the JEM-EUSO program, which includes several past experiments all devoted to develop new larger size satellite detectors like K-EUSO and POEMMA for future UHEC Rays study from space. Mini-EUSO is a multiwavelenght telescope launched on August 2019 with the unmanned Soyuz MS-14 rocket to the International Space Station and currently operating on board the Russian Zvezda module, facing a UV-transparent window watching Earth in Nadir direction. The telescope optics comprise a main detection system employing two double-sided Fresnel lenses focusing UV (300–400 nm) light onto an array of 36 Hamamatsu Multi-Anode PhotoMultiplier Tubes, each of 64 channels for a total of 2304 pixels working in single photon counting mode, providing a wide field of view (44°) correpsonding to a ground area of 263 x 263 km2 with a highly fast time resolution up to few microseconds.
Mini-EUSO includes also multiple ancillary sensors such as visible (400–780 nm) and NIR (1500–1600 nm) cameras covering a wide range of radiation wavelenght as well as a 64 channels Multi-Pixel Photon Counter Silicon PhotoMultiplier array which will increase the Technology Readiness Level of this ultrafast imaging sensor. Beside the primary objective, the mission aims to study different event such as meteoroids, Transient Luminous Event, search for Strange Quark matter and thanks to its space-time resolution is capable to provide UV Earth maps over the surface covered during ISS orbits. In this work we will present the detector integration, the qualification measurements on ground and some preliminary data.
DOI: https://doi.org/10.22323/1.395.0370
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