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1. TAIGA - an advanced hybrid detector complex for astroparticle physics, cosmic ray physics and gamma-ray astronomy

Author

V. P. Sulakov, E. A. Kravchenko, Roman Raikin, A. A. Grinyuk, A. Chiavassa, E. E. Korosteleva, BayarJon Paul Lubsandorzhiev, E. Popova, R. R. Mirgazov, L. G. Sveshnikova, S. Malakhov, R. P. Kokoulin, R. Togoo, A. Petrukhin, Yu. Lemeshev, A.V. Igoshin, S. Kiryuhin, V. V. Prosin, A. Porelli, A. Borodin, M. Blank, A. Ivanova, M. Tluczykont, A. N. Dyachok, V.A. Tabolenko, L. G. Tkachev, V. Samoliga, V. A. Poleschuk, R. Wischnewski, A. Bulan, E. A. Osipova, N. Ushakov, Pavel Bezyazeekov, Evgeny Postnikov, D. Zhurov, L. V. Pankov, A. Garmash, M. Ternovoy, D. Voronin, O. A. Gress, T. I. Gress, V. V. Kindin, I. I. Astapov, V. A. Kozhin, K. G. Kompaniets, Andrey Sokolov, E. V. Ryabov, R. Mirzoyan, Grigory Rubtsov, N. N. Kalmykov, O. Grishin, M. Popesku, D. Lukyantsev, V. Slunecka, A. V. Skurikhin, Y. Sagan, Dieter Horns, V. S. Ptuskin, P. Volchugov, A. L. Pakhorukov, A. Tanaev, A. Pushnin, N. B. Lubsandorzhiev, Aleksandr Gafarov, A. A. Silaev, A. V. Zagorodnikov, N. M. Budnev, Y. Suvorkin, E. Gress, A. Zhaglova, L. A. Kuzmichev, V. M. Grebenyuk, B. A. Tarashchansky, A. Vaidyanathan, I. Poddubnyi, Anatoly Lagutin, V. Ponomareva, M. Brückner, R. D. Monkhoev, B. M. Sabirov, I. I. Yashin, Alexander Kryukov, and A. Sidorenkov

Subjects
Astroparticle physics, Physics, Observatory, Astrophysics::High Energy Astrophysical Phenomena, Taiga, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Cosmic ray, Electron, Gamma-ray astronomy, Cherenkov radiation
Abstract

The physical motivations and performance of the TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy) project are presented. The TAIGA observatory addresses ground-based gamma-ray astronomy at energies from a few TeV to several PeV, as well as cosmic ray physics from 100 TeV to several EeV and astroparticle physics. The pilot TAIGA complex locates in the Tunka valley, ~50 km West from the southern tip of the lake Baikal. It includes integrating air Cherenkov TAIGA-HiSCORE array with 120 wide-angle optical stations distributed over on area 1 square kilometer about and three the 4-m class Imaging Atmospheric Cherenkov Telescopes of the TAIGA-IACT array. The latter array has a shape of triangle with side lengths of about 300m, 400m and 500m. The expected integral sensitivity of the 1 km2 TAIGA detector will be about 2,5 × 10-13 TeV cm-2 sec-1 for detection of E ≥ 100 TeV gamma-rays in 300 hours of source observations. The combination of the wide angle Cherenkov array and IACTs could offer a cost effective-way to build a really large (up to 10 km2) array for very high energy gamma-ray astronomy. The reconstruction of a given EAS energy, incoming direction and the core position, based on the TAIGA-HiSCORE data, allows one to increase the distance between the relatively expensive IACTs up to 600-800 m. These, together with the surface and underground electron/Muon detectors will be used for selection of gamma-ray induced EAS. Present status of the project, together with the current array description and the first experimental results and plans for the future will be reported.

Published
2021
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2. Tunka-Grande array for high-energy gamma-ray astronomy and cosmic-ray physics: preliminary results

Author

A. Ivanova, M. Brueckner, V. Ptuskino, R. Monkhoev, I. Astapov, Pavel Bezyazeekov, M. Blank, E. A. Bonvech, A. Borodin, M. Brückner, N. M. Budnev, A. Bulan, D. V. Chernov, A. Chiavassa, A. N. Dyachok, A. R. Gafarov, A. Garmash, V. Grebenyuk, E. Gress, O. Gress, T. I. Gress, A. Grinyuk, O. Grishin, Dieter Horns, A. Igoshin, A. D. Ivanova, N. Kalmykov, V. Kindin, S. Kiryuhin, R. Kokoulin, K. Kompaniets, E. Korosteleva, V. A. Kozhin, E. Kravchenko, Alexander Kryukov, L. Kuzmichev, A. Lagutin, M. Lavrova, Y. Lemeshev, B. Lubsandorzhiev, N. Lubsandorzhiev, A. Lukanov, D. Lukyantsev, S. Malakhov, R. R. Mirgazov, R. Mirzoyan, E. Osipova, A. Pakhorukov, L. A. Panasenko, L. Pankov, A. Panov, A. Petrukhin, I. Poddubnyi, D. A. Podgrudkov, V. Poleschuk, V. Ponomareva, M. Popesku, E. Popova, A. Porelli, E. Postnikov, V. Prosin, V. Ptuskin, A. Pushnin, R. Raikin, G. Rubtsov, E. V. Ryabov, Y. Sagan, V. Samoliga, B. Sabirov, A. Silaev, A. Silaev (junior), Andrei Sidorenkov, A. V. Skurikhin, V. Slunecka, A. Sokolov, V. Sulakov, Y. Suvorkin, L. Sveshnikova, V. A. Tabolenko, B. Tarashchansky, L. Tkachev, M. Tluczykont, A. Tanaev, M. Ternovoy, R. Togoo, N. Ushakov, A. Vaidyanathan, P. Volchugov, N. Volkov, D. Voronin, R. Wischnewski, A. Zagorodnikov, A. Zhaglova, D. Zhurov, and I. Yashin

Published
2021
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3. The hybrid installation TAIGA: design, status and preliminary results

Author

Nima Lubsandorzhiev, I. Astapov, Pavel Bezyazeekov, A. Borodin, M. Brueckner, N. M. Budnev, V. Chernykh, A. Chiavassa, A. N. Dyachok, O. Fedorov, A. R. Gafarov, A. Garmash, V. Grebenyuk, O. Gress, T. I. Gress, A. Grinyuk, O. Grishin, Dieter Horns, A. Igoshin, A. Ivanova, N. Kalmykov, Y. Kazarina, V. Kindin, P. Kirilenko, S. Kiryuhin, R. Kokoulin, K. Kompaniets, E. Korosteleva, Vladimir V Kozhin, E. Kravchenko, Alexander Kryukov, L. Kuzmichev, A. Lagutin, Y. Lemeshev, V. Lenok, B. Lubsandorzhiev, R. R. Mirgazov, R. Mirzoyan, R. Monkhoev, E. Osipova, A. Pakhorukov, A. Pan, M. I. Panasyuk, L. Pankov, A. Petrukhin, V. Poleschuk, M. Popesku, E. Popova, A. Porelli, E. Postnikov, V. Prosin, V. Ptuskin, A. Pushnin, R. Raikin, G. Rubtsov, E. V. Ryabov, Y. Sagan, V. Samoliga, A. Silaev, A. Silaev(junior), Andrei Sidorenkov, A. V. Skurikhin, V. Slunecka, A. Sokolov, Y. Suvorkin, L. Sveshnikova, V. A. Tabolenko, B. Tarashchansky, L. Tkachev, M. Tluczykont, A. Tonaev, N. Ushakov, P. Volchugov, D. Voronin, R. Wischnewski, A. Zagorodnikov, D. Zhurov, and I. Yashin

Published
2019
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4. Software design for the TAIGA-IACT telescope pointing and control system

Author

Dmitriy Zhurov, Oleg A Gress, I. Astapov, Pavel Bezyazeekov, V. Boreyko, A. Borodin, M. Brueckner, N. M. Budnev, A. Chiavassa, Aleksei Nikolaevich Dyachok, O. Fedorov, Aleksandr Gafarov, A. Garmash, N. Gorbunov, Victor Grebenyuk, T. I. Gress, O. Grishin, A. Grinyuk, Dieter Horns, A. Ivanova, N. Kalmykov, Y. Kazarina, V. Kindin, P. Kirilenko, S. Kiryuhin, R. Kokoulin, K. Kompaniets, E. Korosteleva, Vladimir V Kozhin, E. Kravchenko, M. Kunnas, L. Kuzmichev, Yu. Lemeshev, V. Lenok, B. Lubsandorzhiev, N. Lubsandorzhiev, Rashid Mirgazov, Razmik Mirzoyan, R. Monkhoev, R. Nachtigall, E. Osipova, A. Pakhorukov, M. I. Panasyuk, Leonid Pankov, A. Petrukhin, V. Poleschuk, E. Popescu, E. Popova, A. Porelli, E. Postnikov, V. Prosin, V. Ptuskin, Evgenii V Rjabov, G. Rubtsov, A. Pushnin, Yaroslav Sagan, B. Sabirov, V. Samoliga, Yu. Semeney, A. Silaev, A. Silaev(junior), Andrei Sidorenkov, Aleksandr Vasilevich Skurihin, V. Slunecka, A. V. Sokolov, C. Spiering, L. Sveshnikova, V. A. Tabolenko, B. Tarashansky, A. Tkachenko, L. Tkachev, M. Tluczykont, R. Wischnewski, Aleksey Zagorodnikov, Valery Zurbanov, and I. Yashin

Subjects
Physics::Instrumentation and Detectors, Computer science, Astrophysics::High Energy Astrophysical Phenomena, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, IACT, Cosmic ray, Reflector (antenna), law.invention, Telescope, Data acquisition, law, Astrophysics::Solar and Stellar Astrophysics, Stepper, Astrophysics::Galaxy Astrophysics, Cherenkov radiation, Remote sensing
Abstract

In TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma-ray Astronomy) detector we are commissioning the first Imaging Atmospheric Cherenkov Telescope (IACT). The telescope drive system comprises a motor controller and two stepper motors for axis control. For the pointing calibration of the telescope a CCD-camera is installed on the reflector dish of the telescope. The position of the CCD-camera allows us capturing both the Cherenkov camera and the observed source. In this report we describe the telescope positioning and the drive system software as well as the control of the CCD-camera data acquisition, archiving and processing system.

Published
2017
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5. TAIGA-HiSCORE detection of the CATS-Lidar on the ISS as fast moving point source

Author

Ralf Wischnewski, A. Porelli, A. Garmash, I. Astapov, Pavel Bezyazeekov, V. Boreyko, A. Borodin, M. Brueckner, N. M. Budnev, A. Chiavassa, Aleksei Nikolaevich Dyachok, O. Fedorov, Aleksandr Gafarov, N. Gorbunov, E.S. Gorbovskoy, Victor Grebenyuk, O. Gress, T. I. Gress, O. Grishin, A. Grinyuk, Dieter Horns, A. Ivanova, N. Kalmykov, Y. Kazarina, V. Kindin, P. Kirilenko, S. Kiryuhin, R. Kokoulin, K. Kompaniets, E. Korosteleva, Vladimir V Kozhin, E. Kravchenko, M. Kunnas, L. Kuzmichev, Yu. Lemeshev, V. Lenok, B. Lubsandorzhiev, V.M. Lipunov, N. Lubsandorzhiev, Rashid Mirgazov, Razmik Mirzoyan, R. Monkhoev, R. Nachtigall, E. Osipova, A. Pakhorukov, M. I. Panasyuk, Leonid Pankov, A. Petrukhin, V. Poleschuk, E. Popescu, E. Popova, E. Postnikov, V. Prosin, V. Ptuskin, Evgenii V Rjabov, G. Rubtsov, A. Pushnin, Yaroslav Sagan, B. Sabirov, V. Samoliga, Yu. Semeney, A. Silaev, A. Silaev(junior), Andrei Sidorenkov, Aleksandr Vasilevich Skurihin, V. Slunecka, A. V. Sokolov, C. Spiering, G. Spengler, L. Sveshnikova, V. A. Tabolenko, B. Tarashansky, A. Tkachenko, L. Tkachev, M. Tluczykont, Aleksey Zagorodnikov, D. Zhurov, Valery Zurbanov, and I. Yashin

Subjects
Robotic telescope, Lidar, Forward scatter, Point source, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, Calibration, Gamma ray, Environmental science, Satellite, Physics::Atmospheric and Oceanic Physics, Cherenkov radiation, Remote sensing
Abstract

We report the first ground-based observation of the CATS-LIDAR onboard the ISS by the TAIGA-HiSCORE gamma-ray facility, and the MASTER-Tunka Robotic telescope. HiSCORE detects unscattered laser light directly from the ISS, at up to km-scale distance from the laser beam spot on ground. The ISS-LIDAR turns out to be a unique calibration tool, in particular to verify the absolute astronomical pointing of HiSCORE. We detected the LIDAR for 11 ISS-passages; among these were observations of forward scattering of the laser beam in dense clouds, which might carry information complementary to the LIDAR technique. We expect other air Cherenkov installations like IACTs to benefit from this light source.

Published
2017
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6. TAIGA - a hybrid detector complex for high energy gamma-ray astro-physics and cosmic ray physics in the Tunka valley

Author

Nikolai Mikhailovich Budnev, Leonid A Kuzmichev, Razmik Mirzoyan, I. Astapov, Pavel Bezyazeekov, V. Boreyko, A. Borodin, Martin Brueckner, Andrea Chiavassa, Aleksei Nikolaevich Dyachok, Oleg Fedorov, Aleksandr Gafarov, A. Garmash, N. Gorbunov, Victor Grebenyuk, O. Gress, T. I. Gress, O. Grishin, A. Grinyuk, Dieter Horns, A. Ivanova, N. Kalmykov, Y. Kazarina, Victor Kindin, P. Kirilenko, S. Kiryuhin, Rostislav Kokoulin, K. Kompaniets, E. Korosteleva, Vladimir V Kozhin, E. Kravchenko, M. Kunnas, Yu. Lemeshev, V. Lenok, Bayarto Lubsandorzhiev, Nima Lubsandorzhiev, Rashid Mirgazov, R. Monkhoev, R. Nachtigall, E. Osipova, A. Pakhorukov, Mikhail Panasyuk, Leonid Pankov, Anatoly Petrukhin, V. Poleschuk, Eugeny Popescu, E. Popova, Andrea Porelli, E. Postnikov, V. Prosin, Vladimir Ptuskin, Evgenii V Rjabov, Grigory Rubtsov, A. Pushnin, Yaroslav Sagan, B. Sabirov, Vladimir Samoliga, Yu. Semeney, A. Silaev, A. Silaev(junior), Andrei Sidorenkov, Aleksandr Vasilevich Skurihin, V. Slunecka, A. Sokolov, Christian Spiering, Lyubov Sveshnikova, V. A. Tabolenko, B. Tarashansky, A. Tkachenko, Leonid Tkachev, Martin Tluczykont, R. Wischnewski, Aleksey Zagorodnikov, D. Zhurov, Valery Zurbanov, and Igor Yashin

Subjects
Physics, Telescope, law, Detector, Gamma ray, Astronomy, Cosmic ray, IACT, Galaxy, Energy (signal processing), Cherenkov radiation, law.invention
Abstract

The physics motivations and characteristics of the new gamma-experiment TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy) are presented. The TAIGA experiment addresses ground-based gamma-ray astronomy at energies from a few TeV to several PeV, as well as cosmic ray physics from $100$ TeV to several EeV. For the energy range $30 - 200$ TeV the sensitivity of the planned for future extension of TAIGA up to $5$ km$^2$ area for detection of the local sources is expected to be $10^{-13}$ erg cm$^{-2}$ sec$^{-1}$ for $500$ h of observation. The combination of the wide angle Cherenkov timing detectors of the TAIGA-HiSCORE array and the $4$ m class Imaging Atmospheric Cherenkov Telescopes of the TAIGA-IACT array with their FoV of $10x10$ degrees offers a cost effective-way to construct a $5$ km$^2$ array. Reconstruction of an EAS energy, direction and core position based on the TAIGA-HiSCORE data will allow us to increase the distance between comparatively expensive IACTs up to $800 - 1200$ m. The low investments together with the high sensitivity for energies $\geqslant 30-50$ TeV make this pioneering technique very attractive for exploring the galactic PeVatrons and cosmic rays. In addition to the Cherenkov light detectors we intend to deploy an array of muon detectors (TAIGA-Muon array) over an area of 1 km$^2$ with a total area of about $2000 - 3000$ m$^2$. The TAIGA-IACT-HiSCORE together with the TAIGA-Muon array will be used for selection of gamma-ray induced EAS. At present the first stage of TAIGA have been constructed in the Tunka valley, $\sim 50$ km West from the Lake Baikal in Siberia. Now it consists of 28 TAIGA-HiSCORE Cherenkov stations distributed over an area of $0.25$ km$^2$ and the first IACT of the TAIGA-IACT array. We are planning to test operation of the single telescope in coincidence with the HiSCORE up to shower impact distances of $\sim 500 - 600$ m; for this purpose we already started construction of the second imaging telescope at $300$ m distance from the first one. During 2017 -- 2019 years we intend to increase the number of the TAIGA-HiSCORE stations up to $100 - 120$, spread on the area of $1$ km$^2$ and to deploy $2$ additional IACTs.

Published
2017
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7. TAIGA-HiSCORE: results from the first two operation seasons

Author

I. V. Yashin, Evgeny Postnikov, V. V. Kindin, Bayarto Lubsandorzhiev, A. A. Petrukhin, Mikhail Panasyuk, B.A. Tarashansky, Yulia Kazarina, V. V. Lenok, Razmik Mirzoyan, Yu. Semeney, E. M. Popescu, Valery Zurbanov, Yaroslav Sagan, B. M. Sabirov, A. Porelli, A. Chiavassa, V. Prosin, Grigory Rubtsov, N. N. Kalmykov, O. A. Gress, A. V. Tkachenko, V. A. Poleschuk, E.G. Popova, A. Sidorenkov, A. N. Dyachok, C. Spiering, V. A. Kozhin, Andrey Sokolov, L. G. Sveshnikova, N. M. Budnev, M. Brueckner, N. B. Lubsandorzhiev, Martin Tluczykont, Yu. Lemeshev, V.A. Tabolenko, S. Kiryuhin, R. D. Monkhoev, T. I. Gress, D. Zhurov, V. Slunecka, E. A. Kravchenko, I. I. Astapov, V. S. Ptuskin, E. E. Korosteleva, A.V. Skurihin, A. Ivanova, P. Kirilenko, L. V. Pankov, A. Garmash, Ralf Wischnewski, L. A. Kuzmichev, R. Nachtigall, R. R. Mirgazov, Dieter Horns, Oleg Fedorov, A. Borodin, A. Pushnin, E. A. Osipova, Pavel Bezyazeekov, V. Boreyko, N. V. Gorbunov, A. Pakhorukov, L. G. Tkachev, V. Samoliga, M. Kunnas, Evgenii V Rjabov, Aleksey Zagorodnikov, K. G. Kompaniets, O. Grishin, Victor Grebenyuk, A. A. Grinyuk, Aleksandr Gafarov, A. A. Silaev, and R. P. Kokoulin

Subjects
Lidar, Astrophysics::High Energy Astrophysical Phenomena, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Calibration, Environmental science, Cutoff, Sampling (statistics), Cosmic ray, Satellite, Cherenkov radiation, Remote sensing
Abstract

The very to ultra high energy gamma-ray regime up to several 100 TeV is the key to spectrally resolve the cutoff regime of the long-sought Pevatrons, the Galactic cosmic-ray PeV accelerators. One component of the TAIGA hybrid detector is the TAIGA-HiSCORE shower-front sampling timing array, which currently consists of 28 wide angle (0.6\,sr) air Cherenkov timing stations distributed on an area of 0.25 km$^{2}$, and which will be doubled in area by fall 2017. We report on the status and first results of the HiSCORE timing array after the first 2 operation seasons, including calibration studies on timing and pointing, cross calibration with data from the first TAIGA-IACT, observations with the timing array of a LIDAR operating on the ISS, a measurement of the Cosmic Ray spectrum, and a systematic search for high energy gamma-rays from Galactic sources such as the Crab.

Published
2017
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