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Search for Astrophysical Nanosecond Optical Transients with TAIGA-HiSCORE Array

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dc.contributor.authorPanov, A. D.
dc.contributor.authorAstapov, I. I.
dc.contributor.authorBeskin, GM. .
dc.contributor.authorBezyazeekov, P. A.
dc.contributor.authorKokoulin, R. P.
dc.contributor.authorPetrukhin, A. A.
dc.contributor.authorYashin, I. I.
dc.contributor.authorАстапов, Иван Иванович
dc.contributor.authorКокоулин, Ростислав Павлович
dc.contributor.authorПетрухин, Анатолий Афанасьевич
dc.contributor.authorЯшин, Игорь Иванович
dc.date.accessioned2024-11-30T01:43:36Z
dc.date.available2024-11-30T01:43:36Z
dc.date.issued2021
dc.description.abstractA wide-angle Cerenkov array TAIGA-HiSCORE (FOV similar to 0.6 sr), was originally created as a part of TAIGA installation for high-energy gamma-ray astronomy and cosmic ray physics. Array now consist on nearly 100 optical stations on the area of 1 km(2). Due to high accuracy and stability (similar to 1 ns) of time synchronization of the optical stations the accuracy of EAS arrival direction reconstruction is reached 0.1 degrees. It was proven that the array can also be used to search for nanosecond events of the optical range. The report discusses the method of searching for optical transients using the HiS CORE array and demonstrates its performance on a real example of detecting signals from an artificial Earth satellite. The search for this short flares in the HiSCORE data of the winter season 2018-2019 is carried out. One candidate for double repeater has been detected, but the estimated probability of random simulation of such a transient by background EAS events is not less than 10%, which does not allow us to say that the detected candidate corresponds to a real astrophysical transient. An upper bound on the frequency of optical spikes with flux density of more than 10(-4) erg/s/cm(2) and a duration of more than 5 ns is established as similar to 2 x 10(-3) events/sr/h.
dc.format.extentС. 1037-1044
dc.identifier.citationSearch for Astrophysical Nanosecond Optical Transients with TAIGA-HiSCORE Array / Panov, AD [et al.] // Physics of Atomic Nuclei. - 2021. - 84. - № 6. - P. 1037-1044. - 10.1134/S1063778821130251
dc.identifier.doi10.1134/S1063778821130251
dc.identifier.urihttps://www.doi.org/10.1134/S1063778821130251
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85125049634&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000736740700031
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/25209
dc.relation.ispartofPhysics of Atomic Nuclei
dc.titleSearch for Astrophysical Nanosecond Optical Transients with TAIGA-HiSCORE Array
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue6
oaire.citation.volume84
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