Observation of ELVES with Mini-EUSO telescope on board the International Space Station

Laura Marcelli; Enrico Arnone; Matteo Barghini; Matteo Battisti; Alexander Belov; Mario E. Bertaina; Carl Blaksley; Karl Bolmgren; Giorgio Cambiè; Francesca Capel

doi:10.22323/1.395.0367

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Observation of ELVES with Mini-EUSO telescope on board the International Space Station

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Observation of ELVES with Mini-EUSO telescope on board the International Space Station

Laura Marcelli, Enrico Arnone, Matteo Barghini, Matteo Battisti, Alexander Belov, Mario E. Bertaina, Carl Blaksley, Karl Bolmgren, Giorgio Cambiè and Francesca Capel

37th International Cosmic Ray Conference (ICRC2021) - CRI - Cosmic Ray Indirect

Proceedings of Science, v.395

03/18/2022

DOI: 10.22323/1.395.0367

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Abstract

Mini-EUSO is a detector observing the Earth in the ultraviolet band from the International Space Station through a nadir-facing window, transparent to the UV radiation, in the Russian Zvezda module. Mini-EUSO main detector consists in an optical system with two Fresnel lenses and a focal surface composed of an array of 36 Hamamatsu Multi-Anode Photo-Multiplier tubes, for a total of 2304 pixels, with single photon counting sensitivity. The telescope also contains two ancillary cameras, in the near infrared and visible ranges, to complement measurements in these bandwidths. The instrument has a field of view of 44 degrees, a spatial resolution of about 6.3 km on the Earth surface and of about 4.7 km on the ionosphere. The telescope detects UV emissions of cosmic, atmospheric and terrestrial origin on different time scales, from a few 𝜇s upwards. On the fastest timescale of 2.5 𝜇s, Mini-EUSO is able to observe atmospheric phenomena as Transient Luminous Events and in particular the ELVES, which take place when an electromagnetic wave generated by intra-cloud lightning interacts with the ionosphere, ionizing it and producing apparently superluminal expanding rings of several 100 km and lasting about 100 𝜇s. These highly energetic fast events have been observed to be produced in conjunction also with Terrestrial Gamma-Ray Flashes and therefore a detailed study of their characteristics (speed, radius, energy ...) is of crucial importance for the understanding of these phenomena. In this paper we present the observational capabilities of ELVE detection by Mini-EUSO and specifically the reconstruction and study of ELVE characteristics.

Details

Title: Subtitle: Observation of ELVES with Mini-EUSO telescope on board the International Space Station
Creators: Laura Marcelli
Enrico Arnone - Istituto Nazionale di Fisica Nucleare, Sezione di Torino
Matteo Barghini - Istituto Nazionale di Fisica Nucleare, Sezione di Torino
Matteo Battisti - Istituto Nazionale di Fisica Nucleare, Sezione di Torino
Alexander Belov - Lomonosov Moscow State University
Mario E. Bertaina - University of Turin
Carl Blaksley - RIKEN
Karl Bolmgren - KTH Royal Institute of Technology
Giorgio Cambiè
Francesca Capel - Technical University of Munich
Contributors: Yasar Onel (Contributor) - University of Iowa, Physics and Astronomy
Mary Hall Reno (Contributor) - University of Iowa, Physics and Astronomy
Resource Type: Conference proceeding
Publication Details: 37th International Cosmic Ray Conference (ICRC2021) - CRI - Cosmic Ray Indirect
Series: Proceedings of Science; v.395
DOI: 10.22323/1.395.0367
Language: English
Date published: 03/18/2022
Academic Unit: Physics and Astronomy
Record Identifier: 9984550158902771

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