Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Search for Astrophysical Nanosecond Optical Transients with TAIGA-HiSCORE Array. / TAIGA Collaboration ; Вайдянатан, Арун .
в: Physics of Atomic Nuclei, Том 84, № 6, 31, 11.2021, стр. 1037-1044.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
}
TY - JOUR
T1 - Search for Astrophysical Nanosecond Optical Transients with TAIGA-HiSCORE Array
AU - the TAIGA Collaboration
AU - Panov, A. D.
AU - Astapov, I. I.
AU - Beskin, G. M.
AU - Bezyazeekov, P. A.
AU - Blank, M.
AU - Bonvech, E. A.
AU - Borodin, A. N.
AU - Bruckner, M.
AU - Budnev, N. M.
AU - Bulan, A.
AU - Chernov, D.
AU - Chiavassa, A.
AU - Dyachok, A. N.
AU - Gafarov, A. R.
AU - Garmash, A. Yu
AU - Grebenyuk, V. M.
AU - Gress, O. A.
AU - Gress, T.
AU - Grinyuk, A. A.
AU - Grishin, O. G.
AU - Horns, D.
AU - Ivanova, A. L.
AU - Kalmykov, N. N.
AU - Kindin, V. V.
AU - Kiryuhin, S. N.
AU - Kokoulin, R. P.
AU - Kompaniets, K. G.
AU - Korosteleva, E. E.
AU - Kozhin, V. A.
AU - Kravchenko, E. A.
AU - Krivopalova, A. A.
AU - Kuzmichev, L. A.
AU - Kryukov, A. P.
AU - Lagutin, A. A.
AU - Lavrova, M.
AU - Lemeshev, Yu
AU - Lubsandorzhiev, B. K.
AU - Lubsandorzhiev, N. B.
AU - Lukanov, A. D.
AU - Mirgazov, R. R.
AU - Mirzoyan, R.
AU - Monkhoev, R. D.
AU - Osipova, E. A.
AU - Pakhorukov, A. L.
AU - Pan, A.
AU - Pankov, L.
AU - Petrukhin, A. A.
AU - Podgrudkov, D. A.
AU - Rubtsov, G.
AU - Sokolov, A.
AU - Вайдянатан, Арун
N1 - The work was performed at theUNU"Astrophysical Complex of MSU-ISU" (agreement 13.UNU.21.0007). The work is supported by the Russian Science Foundation (grant no. 19-7220067) (Section 3), the Russian Federation Ministry of Science and High Education (projects FZZE2020-0017, FZZE-2020-0024). The work was (partially) performed as part of the government contract of the SAO RAS approved by theMinistry of Science and Higher Education of the Russian Federation. G. Beskin acknowledges the support of Ministry of Science and Higher Education of the Russian Federation under the grant no. 075-15-2020-780 (N13.1902.21.0039). Publisher Copyright: © 2021, Pleiades Publishing, Ltd.
PY - 2021/11
Y1 - 2021/11
N2 - A wide-angle Cerenkov array TAIGA-HiSCORE (FOV ~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 km2. Due to high accuracy and stability (~1 ns) of time synchronization of the optical stations the accuracy of EAS arrival direction reconstruction is reached 0.1. 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 HiSCORE 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 10-4erg/s/cm2 and a duration of more than 5 ns is established as ~2×10−3 events/sr/h.
AB - A wide-angle Cerenkov array TAIGA-HiSCORE (FOV ~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 km2. Due to high accuracy and stability (~1 ns) of time synchronization of the optical stations the accuracy of EAS arrival direction reconstruction is reached 0.1. 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 HiSCORE 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 10-4erg/s/cm2 and a duration of more than 5 ns is established as ~2×10−3 events/sr/h.
KW - FOLLOW-UP
UR - http://www.scopus.com/inward/record.url?scp=85125049634&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/4368fb22-b8cb-354e-badb-7a9fc38cf16a/
U2 - 10.1134/S1063778821130251
DO - 10.1134/S1063778821130251
M3 - Article
VL - 84
SP - 1037
EP - 1044
JO - Physics of Atomic Nuclei
JF - Physics of Atomic Nuclei
SN - 1063-7788
IS - 6
M1 - 31
ER -
ID: 35411326