First results from the TUS orbital detector in the extensive air shower mode

Khrenov, B. A.; Климов, П. А.; Panasyuk, M. I.; Sharakin, S.; Ткачев, Л.; Zotov, M. Yu.; Biktemerova, S.; Botvinko, A.A.; Chirskaya, N. P.; Eremeev, V. E.; Garipov, G.; Grebenyuk, V.; Grinyuk, A.; Jeong, S.; Калмыков, Н. Н.; Kim, M.; Лаврова, М.; Lee, J.; Martı́nez, O.; Park, I.H.; Petrov, V. L.; Ponce, E.; Puchkov, A.E.; Salazar, H.; Saprykin, O.; Senkovsky, A.N.; Shirokov, A. V.; Tkachenko, A.; Yashin, I. V.

doi:10.1088/1475-7516/2017/09/006

Cited by 34 publications

(39 citation statements)

References 44 publications

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“…It is important to note that it has a spatial resolution of 5 km in the atmosphere observing the total area of 80 × 80 km 2 . The detailed description of the TUS detector is presented in and first results of measurements in (Khrenov et al 2017).…”

Section: Results Of Tle Observations In Space Experiments Of Moscow Smentioning

confidence: 99%

Universat-SOCRAT multi-satellite project to study TLEs and TGFs

Panasyuk

Климов

Свертилов

et al. 2019

Prog Earth Planet Sci

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We present concept of a new multi-satellite Universat-SOCRAT project aimed to study transient phenomena in the upper atmosphere such as transient luminous events (TLEs) and terrestrial gamma-ray flashes (TGFs). It is a new space project of Lomonosov Moscow State University based on the use of a few satellites in the near-Earth orbit for real-time monitoring of radiation environment, natural (asteroids, meteoroids) and artificial (space debris) potentially dangerous objects, electromagnetic transients including cosmic gamma-ray bursts, terrestrial gamma-ray flashes, and optical and ultraviolet bursts in the Earth's atmosphere. Study of TLEs and TGFs remains an important and demanding task despite of a multitude of recently acquired data for these phenomena. This might be explained by the absence of comprehensive theoretical understanding of physical nature of high-energy processes in the Earth's atmosphere. Multi-wavelength synchronous observations with moderate accuracy of localization of TGF and TLE events are necessary to gain an insight of physics governing these high-energy processes in the Earth's atmosphere. In the article, we present results of TLE observations in space experiments of Moscow State University and discuss advanced instruments for optical observations of TLEs, as well as gamma-ray burst monitor and tracking gamma spectrometer for TGFs observations.

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Section: Results Of Tle Observations In Space Experiments Of Moscow Smentioning

confidence: 99%

Universat-SOCRAT multi-satellite project to study TLEs and TGFs

Panasyuk

Климов

Свертилов

et al. 2019

Prog Earth Planet Sci

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“…In the EAS mode, TUS is aimed to select and register events produced by extreme-energy cosmic rays and has a time sampling of 0.8 µs [18]. This mode is also efficient in measurements of the shortest and the most common types of TLEs-elves [19,20]. Two other trigger modes have a time sampling of 25.6 µs and 0.4 ms (TLE-1 and TLE-2 modes).…”

Section: Methodsmentioning

confidence: 99%

Remote Sensing of the Atmosphere by the Ultraviolet Detector TUS Onboard the Lomonosov Satellite

et al. 2019

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The orbital detector TUS (Tracking Ultraviolet Setup) with high sensitivity in near-visible ultraviolet (tens of photons per time sample of 0.8 μ s of wavelengths 300–400 nm from a detector’s pixel field of view) and the microsecond-scale temporal resolution was developed by the Lomonosov-UHECR/TLE collaboration and launched into orbit on 28 April 2016. A variety of different phenomena were studied by measuring ultraviolet signals from the atmosphere: extensive air showers from ultra-high-energy cosmic rays, lightning discharges, transient atmospheric events, aurora ovals, and meteors. These events are different in their origin and in their duration and luminosity. The TUS detector had a capability to conduct measurements with different temporal resolutions (0.8 μ s, 25.6 μ s, 0.4 ms, and 6.6 ms) but the same spatial resolution of 5 km. Results of the TUS detector measurements of various atmospheric emissions are discussed and compared to data from previous experiments.

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“…The last mode has 6.6 ms sampling time and can detect (micro)meteors, space debris and thunderstorm activity at a longer time scale (∼ 1.7 s). Digital integration of the signal and measurements at various time scales allow studying transient atmospheric phenomena of different origin and using the TUS detector as a multifunctional space observatory for astrophysical and geophysical research [22,23,24]. Examples of measurements in slow modes are presented in the last section of the article.…”

Section: Pos(icrc2017)1098mentioning

confidence: 99%

“…The above criteria were developed basing on simulations of a few thousand EECRs with different parameters of primary particles and an analysis of different types of "noise" events in the data set [24]. The procedure led us to a list of 13 events presented in [30].…”

Section: Pos(icrc2017)1098mentioning

confidence: 99%

Ultra-high energy cosmic ray detector TUS: preliminary results of the first year of measurements

Климов¹,

Lomonosov-UHECR²

2017

Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017)

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For the Lomonosov-UHECR/TLE CollaborationTUS (Tracking Ultraviolet Set-up) is the first orbital detector of extreme energy cosmic rays. It was launched into orbit on April 28, 2016, as a part of the scientific payload of the Lomonosov satellite. The main aim of the mission is to test the technique of measuring UV fluorescent and Cherenkov radiation of extensive air showers (EAS) generated by primary cosmic rays with energies above 50 EeV. The first year of operation has revealed an unexpectedly rich diversity of UV radiation. Among different types of registered events, we have identified those caused by thunderstorm activity and transient luminous events (TLEs), anthropogenic factors and by lowenergy cosmic rays passing through the UV glass filters covering the focal plane. Three modes of operation aimed at studying TLEs and meteors were also tested. A search and analyses of EAS candidates is in progress. We report the preliminary results obtained during the first year of TUS operating in orbit in all modes of operation with a special attention to the EAS mode.

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First results from the TUS orbital detector in the extensive air shower mode

Cited by 34 publications

References 44 publications

Universat-SOCRAT multi-satellite project to study TLEs and TGFs

Universat-SOCRAT multi-satellite project to study TLEs and TGFs

Remote Sensing of the Atmosphere by the Ultraviolet Detector TUS Onboard the Lomonosov Satellite

Ultra-high energy cosmic ray detector TUS: preliminary results of the first year of measurements

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