A positioning system for Baikal-GVD

Collaboration, Baikal-GVD; Avrorin, A. D.; Avrorin, A. V.; Aynutdinov, V. M.; Bannash, R.; Belolaptikov, I. A; Brudanin, V. B.; Budnev, N. M.; Domogatsky, G. V.; Дорошенко, А. А.; Dvornicky, R.; Dyachok, A. N.; Dzhilkibaev, Zh. -A. M.; Fajth, L.; Fialkovsky, S. V; Gafarov, A. R.; Golubkov, K. V.; Gorshkov, N. S.; Gress, T. I.; Ivanov, R.; Kebkal, K. G.; Kebkal, O. G.; Khramov, E. V.; Kolbin, M. M.; Konischev, K. V.; Коробченко, А. В.; Кошечкин, А. П.; Kozhin, A. V.; Kruglov, M. V.; Kryukov, M. K.; Kulepov, V. F.; Milenin, M. B.; Mirgazov, R. A.; Nazari, V.; Panfilov, A. I.; Petukhov, D. P.; Pliskovsky, E. N.; Rozanov, M. I.; Rjabov, E. V.; Rushay, V. D.; Safronov, G. B.; Shaybonov, B. A.; Shelepov, M. D.; Simkovic, F.; Скурихин, А. В.; Solovjev, A. G.; N., Sorokovikov, M.; Stekl, I.; Suvorova, O. V.; Sushenok, E. O.; Таболенко, В. А.; Tarashansky, B.; Yakovlev, S. A.

doi:10.48550/arxiv.1908.05529

Cited by 2 publications

(4 citation statements)

References 1 publication

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“…This bound is possible because GVD strings are largely nearly vertical. This is consistent with the results of a previous study, done over the course of season 2018 [4] and corresponds to a subnanosecond time calibration error. While the mean error over three years is comparable to the positioning error in similar detectors [5], the immediate interpolation error during active drift periods can reach 0.5 meters due to high beacon mobility and string curvature.…”

Section: Positioning Precisionsupporting

confidence: 92%

“…This translates into an increase in the polling interval, which in turn raises beacon positioning uncertainty. With the the average beacon speed of 0.5 cm/s (see [4]), a beacon can drift over 3 meters from the previous measurement before a new measurement is complete. During the active drift period, this distance can reach over 15 meters.…”

Section: Aps Pollingmentioning

confidence: 99%

“…High dirft periods are disjoint and can last up to a week each, totalling nearly a month each season. String movement during active drift periods is correlated between multiple clusters (see [4]) and are dominated by the movement along the shore.…”

Section: Long Term Beacon Driftmentioning

confidence: 99%

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Positioning system for Baikal-GVD

Allakhverdyan,

Avrorin,

Avrorin

et al. 2021

Preprint

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Baikal-GVD is a kilometer scale neutrino telescope currently under construction in Lake Baikal. Due to water currents in Lake Baikal, individual photomultiplier housings are mobile and can drift away from their initial position. In order to accurately determine the coordinates of the photomultipliers, the telescope is equipped with an acoustic positioning system. The system consists of a network of acoustic modems, installed along the telescope strings and uses acoustic trilateration to determine the coordinates of individual modems. This contribution discusses the current state of the positioning in Baikal-GVD, including the recent upgrade to the acoustic modem polling algorithm.

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Section: Positioning Precisionsupporting

confidence: 92%

Section: Aps Pollingmentioning

confidence: 99%

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Positioning system for Baikal-GVD

Allakhverdyan,

Avrorin,

Avrorin

et al. 2021

Preprint

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“…The OM is also equipped with calibration LEDs, a tiltmeter/accelerometer and a compass. The string also holds electronic modules housed in glass spheres, hydrophones for acoustic positioning and LED beacons for calibration [9,10]. All modules are connected with electrical cables for power and data transmission.…”

Section: Baikal-gvd Status and First Resultsmentioning

confidence: 99%

High-Energy Neutrino Astronomy and the Baikal-GVD Neutrino Telescope

Zaborov

2021

Phys. Atom. Nuclei

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Neutrino astronomy offers a novel view of the non-thermal Universe and is complementary to other astronomical disciplines. The field has seen rapid progress in recent years, including the first detection of astrophysical neutrinos in the TeV-PeV energy range by IceCube and the first identified extragalactic neutrino source (TXS 0506+056). Further discoveries are aimed for with new cubic-kilometer telescopes in the Northern Hemisphere: Baikal-GVD, in Lake Baikal, and KM3NeT-ARCA, in the Mediterranean sea. The construction of Baikal-GVD proceeds as planned; the detector currently includes over 2000 optical modules arranged on 56 strings, providing an effective volume of 0.35 km 3 . We review the scientific case for Baikal-GVD, the construction plan, and first results from the partially built array. * Speaker. 1 We leave aside the beyond-standard-model scenarios such as, e.g., resonant neutrino self-interactions.

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A positioning system for Baikal-GVD

Cited by 2 publications

References 1 publication

Positioning system for Baikal-GVD

Positioning system for Baikal-GVD

High-Energy Neutrino Astronomy and the Baikal-GVD Neutrino Telescope

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