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A 1.8 m class pathfinder Raman LIDAR for the Northern Site of the Cherenkov Telescope Array Observatory -- Technical Design
Otger Ballester, Oscar Blanch, Joan Boix +22
This paper presents the technical design of the pathfinder Barcelona Raman LIDAR (pBRL) for the northern site of the Cherenkov Telescope Array Observatory (CTAO-N) located at the R…
Development and Quality Control of PMT Modules for the Large-Sized Telescopes of the Cherenkov Telescope Array Observatory
T. Saito, M. Takahashi, Y. Inome +56
The camera of the Large-Sized Telescopes (LSTs) of the Cherenkov Telescope Array Observatory (CTAO) consists of 1855 pixels that are grouped into 265 high-performance photomultipli…
Standardised formats and open-source analysis tools for the MAGIC telescopes data
S. Abe, J. Abhir, A. Abhishek +208
Instruments for gamma-ray astronomy at Very High Energies () have traditionally derived their scientific results through proprietary data and software. Data stand…
Performance and first measurements of the MAGIC Stellar Intensity Interferometer
MAGIC Collaboration, S. Abe, J. Abhir +217
In recent years, a new generation of optical intensity interferometers has emerged, leveraging the existing infrastructure of Imaging Atmospheric Cherenkov Telescopes (IACTs). The…
Imaging Atmospheric Cherenkov Telescopes pointing determination using the trajectories of the stars in the field of view
Mykhailo Dalchenko, Matthieu Heller
We present a new approach to the pointing determination of Imaging Atmospheric Cherenkov Telescopes (IACTs). This method is universal and can be applied to any IACT with minor modi…
Performance of the joint LST-1 and MAGIC observations evaluated with Crab Nebula data
H. Abe, K. Abe, S. Abe +365
Aims. LST-1, the prototype of the Large-Sized Telescope for the upcoming Cherenkov Telescope Array Observatory, is concluding its commissioning in Observatorio del Roque de los Muc…
Interpolation of Instrument Response Functions for the Cherenkov Telescope Array in the Context of pyirf
Rune Michael Dominik, Maximilian Linhoff, Julian Sitarek
The Cherenkov Telescope Array (CTA) will be the next generation ground-based very-high-energy gamma-ray observatory, constituted by tens of Imaging Atmospheric Cherenkov Telescopes…
Performance update of an event-type based analysis for the Cherenkov Telescope Array
Juan Bernete, Orel Gueta, Tarek Hassan +3
The Cherenkov Telescope Array (CTA) will be the next-generation observatory in the field of very-high-energy (20 GeV to 300 TeV) gamma-ray astroparticle physics. The traditional ap…
Characterization of SiPM and development of test bench modules for the next-generation cameras for Large-Sized Telescopes for Cherenkov Telescope Array
Takayuki. Saito, K. Hashiyama, H. Iwasaki +5
The recent improvements in the performance of the silicon photomultipliers (SiPMs) made them attractive options as photo sensors of imaging atmospheric Cherenkov telescopes (IACTs)…
Cross-calibration and combined analysis of the CTA-LST prototype and the MAGIC telescopes
Y. Ohtani, A. Berti, D. Depaoli +13
The Cherenkov Telescope Array (CTA) will be the next generation gamma-ray observatory, which will consist of three kinds of telescopes of different sizes. Among those, the Large Si…
Reconstruction of extensive air shower images of the first Large Size Telescope prototype of CTA using a novel likelihood technique
Gabriel Emery, Cyril Alispach, Mykhailo Dalchenko +3
Ground-based gamma-ray astronomy aims at reconstructing the energy and direction of gamma rays from the extensive air showers they initiate in the atmosphere. Imaging Atmospheric C…
Detection methods for the Cherenkov Telescope Array at very-short exposure times
Ambra Di Piano, Andrea Bulgarelli, Valentina Fioretti +7
The Cherenkov Telescope Array (CTA) will be the next generation ground-based observatory for very-high-energy (VHE) gamma-ray astronomy, with the deployment of tens of highly sensi…
Commissioning of the camera of the first Large Size Telescope of the Cherenkov Telescope Array
T. Saito, C. Delgado, O. Blanch +30
The first Large Size Telescope (LST-1) of the Cherenkov Telescope Array has been operational since October 2018 at La Palma, Spain. We report on the results obtained during the cam…
Monitoring the pointing of the prototype LST-1 using star reconstruction in the Cherenkov camera
L. Foffano, A. Carosi, M. Dalchenko +3
The first Large-Sized Telescope (LST-1) proposed for the forthcoming Cherenkov Telescope Array (CTA) has started to operate in 2019 in La Palma. The large structure of LST-1 - with…
The major upgrade of the MAGIC telescopes, Part I: The hardware improvements and the commissioning of the system
MAGIC Collaboration, J. Aleksic, S. Ansoldi +162
The MAGIC telescopes are two Imaging Atmospheric Cherenkov Telescopes (IACTs) located on the Canary island of La Palma. The telescopes are designed to measure Cherenkov light from…
The major upgrade of the MAGIC telescopes, Part II: A performance study using observations of the Crab Nebula
MAGIC Collaboration, J. Aleksic, S. Ansoldi +163
MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma, Spain. During summer 2011 and 2012 it underwent a series of upgrades, in…
Atmospheric Monitoring for the MAGIC Telescopes
M. Gaug, O. Blanch, D. Dorner +13
The monitoring of the atmosphere is very relevant for Imaging Atmospheric Cherenkov Telescopes. Adverse weather conditions (strong wind, high humidity, etc.) may damage the telesco…
AtmoHEAD 2013 workshop / Atmospheric Monitoring for High-Energy Astroparticle Detectors
K. Bernlöhr, G. Bellassai, O. Blanch +70
A 3-day international workshop on atmospheric monitoring and calibration for high-energy astroparticle detectors, with a view towards next-generation facilities. The atmosphere is…
Status and motivation of Raman LIDARs development for the CTA Observatory
M. Doro, M. Gaug, J. Pallotta +13
The Cherenkov Telescope Array (CTA) is the next generation of Imaging Atmospheric Cherenkov Telescopes. It would reach unprecedented sensitivity and energy resolution in very-high-…
The MAGIC telescopes DAQ software and the on-the-fly online analysis client
Diego Tescaro, Alicia López-Oramas, Abelardo Moralejo +2
In this contribution we describe the design of the Data AcQuisition (DAQ) and online analysis software of the MAGIC telescopes after the 2012 upgrade. Although the final stereo tri…
Atmospheric Aerosols at the MAGIC Site
Daniel Garrido, Markus Gaug, Michele Doro +3
We investigate the performance of the MAGIC telescopes under three simulated atmospheric conditions: an increased aerosol content in the lower part of the troposphere, the presence…
The IFAE/UAB and LUPM Raman LIDARs for Cherenkov Telescope Array Observatory
A. López-Oramas, O. Abril, O. Blanch Bigas +8
The Cherenkov Telescope Array (CTA) is the next generation of Imaging Atmospheric Cherenkov Telescopes. It will reach a sensitivity and an energy resolution with no precendent in v…
Towards a full Atmospheric Calibration system for the Cherenkov Telescope Array
M. Doro, M. Gaug, O. Blanch +4
The current generation of Cherenkov telescopes is mainly limited in their gamma-ray energy and flux reconstruction by uncertainties in the determination of atmospheric parameters.…
Performance of the MAGIC stereo system obtained with Crab Nebula data
MAGIC Collaboration, J. Aleksić, E. A. Alvarez +153
MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma. Since autumn 2009 both telescopes have been working together in stereosc…