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Satellite-based Calibration of the TAIGA-HiSCORE Cerenkov Array by the LIDAR on-board CALIPSO

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dc.contributor.authorPorelli, A.
dc.contributor.authorAstapov, I. I.
dc.contributor.authorKindin, V. V.
dc.contributor.authorKokoulin, R. P.
dc.contributor.authorKompaniets, K. G.
dc.contributor.authorPetrukhin, A. A.
dc.contributor.authorYashin, I. I.
dc.contributor.authorАстапов, Иван Иванович
dc.contributor.authorКиндин, Виктор Владимирович
dc.contributor.authorКокоулин, Ростислав Павлович
dc.contributor.authorКомпаниец, Константин Георгиевич
dc.contributor.authorПетрухин, Анатолий Афанасьевич
dc.contributor.authorЯшин, Игорь Иванович
dc.date.accessioned2024-12-25T11:08:57Z
dc.date.available2024-12-25T11:08:57Z
dc.date.issued2022
dc.description.abstractThe wide-angle Air-Cerenkov array HiSCORE is a major component of the TAIGA facility in the Tunka valley, built for Gamma Astronomy and Cosmic Ray research. HiSCORE will contain 120 stations distributed over a 1 km2 area. Here, we report a multi-year detection of light flashes in HiSCORE from the LIDAR on-board the Sun-synchronous CALIPSO satellite, obtained in 2015-2021. The 100 mJ laser (532 nm) is observed up to distances beyond 10 km away from the ground light spot. This study complements first observations of a space-based LIDAR, performed in 2015-2017 with the 28 station HiSCORE prototype and the CATS-LIDAR on-board the International Space Station. We present HiSCORE calibration methods developed for the LIDAR events to optimize the pointing resolution of the array; and additionally perform a detailed array performance analysis over 6 years. The angular resolution for this special class of HiSCORE events - bright flashes, with a plane wave light front - is found to be ∼0.05◦, which is below the high-energy limit of ∼0.1◦ for air-showers. The satellite event sample allows to optimize rare event search strategies, like for optical flashes of astrophysical origin. We will also report on scheduled joint LIDAR observation by HiSCORE and TAIGA-IACTs, as well as optical ground instruments - to independently calibrate the absolute array-pointing precision. © Copyright owned by the author(s) under the terms of the Creative Commons.
dc.identifier.citationSatellite-based Calibration of the TAIGA-HiSCORE Cerenkov Array by the LIDAR on-board CALIPSO / Porelli, A. [et al.] // Proceedings of Science. - 2022. - 395. - 10.22323/1.395.0876
dc.identifier.doi10.22323/1.395.0876
dc.identifier.urihttps://www.doi.org/10.22323/1.395.0876
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85143816521&origin=resultslist
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/27714
dc.relation.ispartofProceedings of Science
dc.titleSatellite-based Calibration of the TAIGA-HiSCORE Cerenkov Array by the LIDAR on-board CALIPSO
dc.typeConference Paper
dspace.entity.typePublication
oaire.citation.volume395
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