Results and performance of the Mini-EUSO telescope on board the ISS
Laura Marcelli (for the JEM-EUSO Collaboration)

TL;DR
Mini-EUSO, a UV telescope on the ISS, has been observing Earth's atmosphere and cosmic phenomena since 2019, demonstrating capabilities to detect high-energy cosmic rays, atmospheric events, meteors, and UV Earth emissions.
Contribution
This paper presents the first four years of observational results and performance analysis of Mini-EUSO, showcasing its scientific achievements and operational capabilities in space.
Findings
Detection of atmospheric transient luminous events like ELVES and sprites.
Observation of meteors and search for interstellar meteors and nuclearites.
Mapping of night-time UV emissions from Earth.
Abstract
Mini-EUSO is a telescope observing the Earth in the ultraviolet band (290-430 nm) since 2019, through a nadir-facing UV-transparent window in the Russian Zvezda module of the International Space Station. The main camera has an optical system composed of two 25 cm diameter Fresnel lenses and a focal surface consisting of 36 multi-anode photomultiplier tubes, 64 pixels each, for a total of 2304 channels. The instrument has a square field of view with a side of 44 degrees, a spatial resolution of about 6.3 km on the Earth surface and a sampling time of 2.5 microseconds. Mini- EUSO has also two cameras in the near infrared and visible ranges and silicon photomultiplier sensors to complement the UV observations. Mini-EUSO has been designed as a small-size version of the original JEM-EUSO space telescope to demonstrate its observational principle. Mini-EUSO is in fact potentially capable of…
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Taxonomy
TopicsAtmospheric Ozone and Climate · Photocathodes and Microchannel Plates · Ionosphere and magnetosphere dynamics
