The EUSO@Turlab Project: Results from Phase II

Suino, G.; Miyamoto, H.; Bertaina, M.; Casu, R.; Cotto, G.; Forza, R.; Manfrin, M.; Mignone, M.; Mulas, R.; Onorato, Miguel; Youssef, A.; Caruso, R.; Contino, G.; Guardone, Nunzio; Bacholle, S.; Gorodetzky, P.; Jung, A.; Parizot, E.; Prévôt, G.; Barrillon, P.; Dagoret, S.; Blin, Sylvie; Rabanal, J.

doi:10.22323/1.301.0422

Cited by 3 publications

(1 citation statement)

References 2 publications

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“…It also gives the possibility to artificially control the light intensity. In the past years, the lab has been used to test the data acquisition system and the trigger logic of previous JEM-EUSO missions, namely EUSO-SPB1 (Suino et al, 2017) and Mini-EUSO (Bisconti et al, 2021). The detector is hanged from the ceiling above the rotating tank, in a structure that allows the use of a small plano-convex lens as the optical system, the light level is set to the desired level (usually a level that gives the expected background from moonless night, $ 1 count/pixel/GTU) and different light sources are placed inside the tank.…”

Section: Laboratory Testsmentioning

confidence: 99%

Development of a cosmic ray oriented trigger for the fluorescence telescope on EUSO-SPB2

Filippatos¹,

Battisti²,

Белов³

et al. 2022

Advances in Space Research

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Section: Laboratory Testsmentioning

confidence: 99%

Development of a cosmic ray oriented trigger for the fluorescence telescope on EUSO-SPB2

Filippatos¹,

Battisti²,

Белов³

et al. 2022

Advances in Space Research

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Pre-flight qualification tests of the Mini-EUSO telescope engineering model

et al. 2021

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Mini-EUSO is part of the JEM-EUSO program and operates on board the International Space Station (ISS). It is a UV-telescope with single-photon counting capability looking at nighttime downwards to the Earth through a nadir-facing UV-transparent window. As part of the pre-flight tests, the Mini-EUSO engineering model, a telescope with 1/9 of the original focal surface and a lens of 2.5 cm diameter, has been built and tested. Tests of the Mini-EUSO engineering model have been made in laboratory and in open-sky conditions. Laboratory tests have been performed at the TurLab facility, located at the Physics Department of the University of Turin, equipped with a rotating tank containing different types of materials and light sources. In this way, the configuration for the observation of the Earth from space was emulated, including the Mini-EUSO trigger schemes. In addition to the qualification and calibration tests, the Mini-EUSO engineering model has also been used to evaluate the possibility of using a JEM-EUSO-type detector for applications such as observation of space debris. Furthermore, observations in open-sky conditions allowed the studies of natural light sources such as stars, meteors, planets, and artificial light sources such as airplanes, satellites reflecting the sunlight, and city lights. Most of these targets could be detected also with Mini-EUSO. In this paper, the tests in laboratory and in open-sky conditions are reported, as well as the obtained results. In addition, the contribution that such tests provided to foresee and improve the performance of Mini-EUSO on board the ISS is discussed.

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The EUSO@TurLab project in the framework of the JEM-EUSO program

et al. 2022

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The EUSO@TurLab project aims at performing experiments to reproduce Earth UV emissions as seen from a low Earth orbit by the planned missions of the JEM-EUSO program. It makes use of the TurLab facility, which is a laboratory, equipped with a 5 m diameter and 1 m depth rotating tank, located at the Physics Department of the University of Turin. All the experiments are designed and performed based on simulations of the expected response of the detectors to be flown in space. In April 2016 the TUS detector and more recently in October 2019 the Mini-EUSO experiment, both part of the JEM-EUSO program, have been placed in orbit to map the UV Earth emissions. It is, therefore, now possible to compare the replicas performed at TurLab with the actual images detected in space to understand the level of fidelity in terms of reproduction of the expected signals. We show that the laboratory tests reproduce at the order of magnitude level the measurements from space in terms of spatial extension and time duration of the emitted UV light, as well as the intensity in terms of expected counts per pixel per unit time when atmospheric transient events, diffuse nightlow background light, and artificial light sources are considered. Therefore, TurLab is found to be a very useful facility for testing the acquisition logic of the detectors of the present and future missions of the JEM-EUSO program and beyond in order to reproduce atmospheric signals in the laboratory.

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The EUSO@Turlab Project: Results from Phase II

Cited by 3 publications

References 2 publications

Development of a cosmic ray oriented trigger for the fluorescence telescope on EUSO-SPB2

Development of a cosmic ray oriented trigger for the fluorescence telescope on EUSO-SPB2

Pre-flight qualification tests of the Mini-EUSO telescope engineering model

The EUSO@TurLab project in the framework of the JEM-EUSO program

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