English
Related papers

Related papers: An Analog Trigger System for Atmospheric Cherenkov…

200 papers

The Cherenkov Telescope Array (CTA) is a future gamma-ray observatory that is planned to significantly improve upon the sensitivity and precision of the current generation of Cherenkov telescopes. The observatory will consist of several…

The Cherenkov Telescope Array (CTA) will operate several types of telescopes and cameras. The individual camera trigger rates will vary much - from 0.6 to 15 kHz - while the content of the raw data will be heterogeneous. Raw data streams of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 E. Lyard , R. Walter

We present ongoing work on the Central Trigger Processor board (CTPb), a trigger subsystem for the future advanced SiPM-based Large-Sized Telescope (LST) camera of the Cherenkov Telescope Array Observatory (CTAO). The camera will implement…

Instrumentation and Methods for Astrophysics · Physics 2025-12-17 A. Pérez-Aguilera , M. Molina-Delicado , T. Dietrich , L. A. Tejedor , J. A. Barrio , A. Upegui , Q. Berthet , J. Buces , D. Nieto , D. Martín-Domínguez , T. Miener

FlashCam is a camera proposed for the medium-sized telescopes of the Cherenkov Telescope Array (CTA). We compare camera trigger rates obtained from measurements with the camera prototype in the laboratory and Monte-Carlo simulations, when…

Photomultiplier tube technology has been the photodetector of choice for the technique of imaging atmospheric Cherenkov telescopes since its birth more than 50 years ago. Recently, new types of photosensors are being contemplated for the…

The sensitivity of an Imaging Atmospheric Cherenkov telescope is calibrated by shining, from a distant pulsed monochromatic light source, a defined photon flux onto the mirror. The light pulse is captured and reconstructed by the telescope…

Astrophysics · Physics 2009-10-30 A. Frass , C. Koehler , G. Hermann , M. Hess , W. Hofmann

GAW proposes a new approach for the detection and measurement of the Cherenkov light produced by GeV/TeV gamma rays traversing the Earth atmosphere which imposes specific requirements on the electronics design. The focal surface of the GAW…

The Cherenkov Telescope Array (CTA) will be the next generation ground based observatory in very high energy gamma ray astronomy. The facility will achieve a wide energy coverage, starting from a threshold of a few tens of GeV up to…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. K. Daniel , M. Gaug , P. Majumdar

In photo-sensor cameras of Cherenkov telescopes the light images from particle showers always contain the background noise induced by photons of the night sky. An image cleaning procedure is needed to reduce the contribution of those noise…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Maxim Shayduk

One of the main goals of the Cherenkov Telescope Array (CTA) observatory is to improve the $\gamma$-ray detection sensitivity by an order of magnitude, compared to the current ground-based observatories. Widening the energy coverage down to…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Pablo Peñil , Luis Ángel Tejedor , Juan Abel Barrio , Marcos López

The construction of the Cherenkov Telescope Array is expected to start soon. We will present the baseline methods and their extensions currently foreseen to calibrate the observatory. These are bound to achieve the strong requirements on…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Markus Gaug , Michael Daniel , David Berge , Raquel de los Reyes , Michele Doro , Andreas Foerster , Maria Concetta Maccarone , Dan Parsons , Christopher van Eldik

NectarCAM is a Cherenkov camera which is going to equip the Medium-Sized Telescopes (MST) of the northern site of the Cherenkov Telescope Array Observatory (CTAO). NectarCAM is equipped with 265 modules, each consisting of 7…

Instrumentation and Methods for Astrophysics · Physics 2023-06-29 F. Bradascio , H. Rueda , J. A. Barrio , J. Biteau , F. Brun , C. Champion , J-F. Glicenstein , D. Hoffmann , P. Jean , J. P. Lenain , F. Louis , A. Pérez , M. Punch , P. Sizun , K. -H. Sulanke , L. A. Tejedor , B. Vallage

An international collaboration composed of Italian, Japanese, Spanish and Swiss institutes, is developing the advanced camera (AdvCam), the next-generation camera for Imaging Atmospheric Cherenkov Telescopes, designed specifically for the…

Instrumentation and Methods for Astrophysics · Physics 2025-09-17 Matthieu Heller

TARGET is an application specific integrated circuit (ASIC) designed to read out signals recorded by the photosensors in cameras of very-high-energy gamma-ray telescopes exploiting the imaging of Cherenkov radiation from atmospheric…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 L. Tibaldo , J. A. Vandenbroucke , A. M. Albert , S. Funk , T. Kawashima , M. Kraus , A. Okumura , L. Sapozhnikov , H. Tajima , G. S. Varner , T. Wu , A. Zink

The trigger system for the Auger fluorescence telescopes is implemented in hard- and software for an efficient selection of fluorescence light tracks induced by high-energy extensive air showers. The algorithm of the third stage uses the…

The Cherenkov Telescope Array (CTA) is an initiative to build a next-generation observatory for very-high energy $\gamma$-rays. Its expected large effective area ($\mathcal{O}(10^{7} \mathrm{m}^2)$) and energy threshold as low as 25 GeV…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Manuel Paz Arribas , Ullrich Schwanke , Ralf Wischnewski

A Central Laser Facility is a system composed of a laser placed at a certain distance from a light-detector array, emitting fast light pulses, typically in the vertical direction, with the aim to calibrate that array. During calibration…

Instrumentation and Methods for Astrophysics · Physics 2014-07-28 Markus Gaug

The Cherenkov Telescope Array (CTA) will be the next generation observatory employing different types of Cherenkov telescopes for the detection of particle showers initiated by very-high-energy gamma rays. A good knowledge of the Earth's…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Stanislav Stefanik , Raquel de los Reyes , Dalibor Nosek

VERITAS is an array of imaging atmospheric Cherenkov telescopes sensitive to gamma rays in the energy range between 85 GeV and 30 TeV. The instrument underwent an upgrade of the camera triggers in November 2011. The new systems use 400 MHz…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Benjamin Zitzer

Reconstruction of energies of very-high-energy gamma-rays observed by imaging atmospheric Cherenkov telescopes is affected by changes in the atmospheric conditions and the performance of telescope components. Reliable calibration schemes…

Instrumentation and Methods for Astrophysics · Physics 2019-09-24 Stanislav Stefanik , Dalibor Nosek