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Expected performance of the K-EUSO space-based observatory
Conference proceeding   Open access

Expected performance of the K-EUSO space-based observatory

M. Bianciotto, M. H. Reno, G. Abdellaoui, S. Abe, J. H. Adams Jr, D. Allard, G. Alonso, L. Anchordoqui, A. Anzalone, E. Arnone, …
37th International Cosmic Ray Conference (ICRC2021) - CRI - Cosmic Ray Indirect
Proceedings of Science, v. 395
03/18/2022
DOI: 10.22323/1.395.0409
url
https://doi.org/10.22323/1.395.0409 View
Published (Version of record) Open Access

Abstract

K-EUSO is a planned mission of the JEM-EUSO program for the study of ultra-high energy cosmic rays (UHECR) from space, to be deployed on the International Space Station. The K-EUSO observatory consists of a UV telescope with a wide field of view, which aims at the detection of fluorescence light emitted by extensive air showers (EAS) in the atmosphere. The EAS events will be sampled with a time resolution of 1--2.5 μs to reconstruct the entire shower profile with high precision. The detector consisting of $\sim 10^{5}$ independent pixels will allow a spatial resolution of $\sim$ 700 m on ground. From a 400 km altitude, K-EUSO will achieve a large and full sky exposure to sample the highest energy range of the UHECR spectrum. In this contribution, we present estimates of the performance of the observatory: an estimation of the expected exposure and triggered event rate as a function of energy and the event reconstruction performance, including resolution of arrival directions and energy of UHECRs.
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