0000000000309596

AUTHOR

V. L. Petrov

showing 3 related works from this author

Testing and Performance of UFFO Burst Alert & Trigger Telescope

2015

The Ultra-Fast Flash Observatory pathfinder (UFFO-p) is a new space mission dedicated to detect Gamma-Ray Bursts (GRBs) and rapidly follow their afterglows in order to provide early optical/ultraviolet measurements. A GRB location is determined in a few seconds by the UFFO Burst Alert & Trigger telescope (UBAT) employing the coded mask imaging technique and the detector combination of Yttrium Oxyorthosilicate (YSO) scintillating crystals and multi-anode photomultiplier tubes. The results of the laboratory tests of UBAT's functionality and performance are described in this article. The detector setting, the pixel-to-pixel response to X-rays of different energies, the imaging capability f…

High Energy Astrophysical Phenomena (astro-ph.HE)TelescopePhysics::Instrumentation and DetectorslawComputer scienceAstrophysics::High Energy Astrophysical PhenomenaAstrophysics::Instrumentation and Methods for AstrophysicsFOS: Physical sciencesAstronomyAstrophysics - High Energy Astrophysical PhenomenaAstrophysics - Instrumentation and Methods for AstrophysicsInstrumentation and Methods for Astrophysics (astro-ph.IM)law.inventionProceedings of Swift: 10 Years of Discovery — PoS(SWIFT 10)
researchProduct

Cosmic ray effect on the X-ray Trigger Telescope of UFFO/Lomonosov using YSO scintillation crystal array in space

2017

UFFO Burst Alert and Trigger telescope (UBAT) is the X-ray trigger telescope of UFFO/Lomonosov to localize X-ray source with coded mask method and X-ray detector. Its X-ray detector is made up of 36 8×8 pixels Yttrium OxyorthoSilicate (Y2SiO5:Ce, YSO) scintillation crystal arrays and 36 64-channel Multi-Anode PhotoMultiplier Tubes (MAPMTs) for space mission. Its effective detection area is 161cm2 and energy range is several keV to 150 keV. It was successfully launched in April 28, 2016. In several calibration run, we got several X-ray background data. We already knew X-ray background flux is 2-3 counts/cm2/sec in space. However our X-ray background data shows approximately 7-8 times higher …

PhysicsScintillationPhotomultiplierPhysics::Instrumentation and DetectorsAstrophysics::High Energy Astrophysical PhenomenaDetectorAstronomyFluxCosmic rayAstrophysicslaw.inventionTelescopeCrystallawCalibrationProceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017)
researchProduct

Comparison cosmic ray irradiation simulation and particle beam test on UFFO Burst Alert & Trigger telescope(UBAT) detectors

2017

Ultra-Fast Flash Observatory pathfinder(UFFO-p) was launched onboard Lomonosov on 28th of April, 2016, and now is under various types of calibration for detection of Gamma Ray Bursts (GRBs). Since last September UFFO-p has taken X-ray data in space with UFFO Burst Alert & Trigger telescope (UBAT), those X-rays are mostly diffused backgrounds however, the rate turns out to be higher than expected by a factor of three. We assumed cosmic rays can contribute by making the count rate higher. We did such a simulation to investigate the effect of cosmic rays. In December 2016, we irradiated fragmented high energy heavy ions at CERN on the UBAT detector. We will report the result of comparison betw…

PhysicsLarge Hadron ColliderAstrophysics::High Energy Astrophysical PhenomenaDetectorAstrophysics::Instrumentation and Methods for AstrophysicsAstronomyCosmic raylaw.inventionTelescopeFlash (photography)lawObservatoryGamma-ray burstParticle beam
researchProduct