activity
19992026
most citedA tera-electronvolt afterglow from a narrow jet in an extremely bright gamma-ray burst 221009A

220 citations · 1.4k across the 66 of their papers we have counts for

collaborators

69 papers

astro-ph.HE2026

Detection of the distant quasar OP 313 with the first Large-Sized Telescope of CTAO

K. Abe, S. Abe, J. Abhir +412

In December 2023, the Large-Sized Telescope prototype (LST-1) detected for the first time VHE -ray emission from the FSRQ OP~313 becoming the furthest blazar ever observed at VH…

astro-ph.GA2025

Exploiting light coherence in astrophysics

Vitalii Sliusar, Domenico Della Volpe, Benjamin Garcia +7

The Hanbury Brown-Twiss (HBT) effect, discovered in the 1950s and further developed in the 1960s, was originally used to estimate stellar angular diameters through intensity correl…

astro-ph.IM2025

Stellar physics at sub-nanoradian angular resolution

P. Batista, J. Biteau, C. Carlile +36

Many stars -- if they could be imaged with enough angular resolution -- would exhibit features expected from theory but not possible to extract from spectra. We may group these by…

physics.ins-det2025

Position-Sensitive Silicon Photomultiplier Array with Enhanced Position Reconstruction by means of a Deep Neural Network

Cyril Alispach, Fabio Acerbi, Hossein Arabi +4

Single-photon sensitive detectors like Silicon Photomultipliers are widely used in many medical imaging applications. By using detectors with position resolutions, it is possible t…

physics.med-ph2025

Performance Evaluation of a Position-Sensitive SiPM-based Gamma Camera for Intraoperative Imaging

Aramis Raiola, Fabio Acerbi, Cyril Alispach +4

The POSiCS camera is a handheld, small field-of-view gamma camera developed for multipurpose use in radio-guided surgery (RGS), with sentinel lymph node biopsy (SLNB) as its benchm…

physics.ins-det2025

Quantitative Determination of Spatial Resolution and Linearity of Position-Sensitive LG-SiPMs at Sub-Millimeter Scale via Ricean Distribution Fitting

Aramis Raiola, Fabio Acerbi, Cyril Alispach +4

Position-sensitive SiPMs are useful in all light detection applications requiring a small number of readout channels while preserving the information about the incoming light's int…

astro-ph.HE2024

A detailed study of the very-high-energy Crab pulsar emission with the LST-1

CTA-LST Project, :, K. Abe +294

Context: There are currently three pulsars firmly detected by imaging atmospheric Cherenkov telescopes (IACTs), two of them reaching TeV energies, challenging models of very-high-e…

astro-ph.IM2024

Optimization of performance of the KM2A full array using the Crab Nebula

LHAASO collaboration

The full array of the Large High Altitude Air Shower Observatory (LHAASO) has been in operation since July 2021. For its kilometer-square array (KM2A), we have optimized the select…

astro-ph.HE2023

Detection of the 2021 Outburst of RS Ophiuchi with the LST-1

Yukiho Kobayashi, Arnau Aguasca-Cabot, María Isabel Bernardos Martín +2

Novae are luminous explosions in close binaries which host a white dwarf and a companion donor star. They are triggered by a thermonuclear runaway when the white dwarf accretes a c…

astro-ph.IM2023

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…

astro-ph.HE2023★ 85 cited

An Ultrahigh-energy -ray Bubble Powered by a Super PeVatron

The LHAASO Collaboration, Z. Cao, F. Aharonian +277

We report the detection of a -ray bubble spanning at least 100 in ultra high energy (UHE) up to a few PeV in the direction of the star-forming region Cygnus X, implyi…

astro-ph.HE2023

Chasing Gravitational Waves with the Cherenkov Telescope Array

Jarred Gershon Green, Alessandro Carosi, Lara Nava +563

The detection of gravitational waves from a binary neutron star merger by Advanced LIGO and Advanced Virgo (GW170817), along with the discovery of the electromagnetic counterparts…

astro-ph.HE2023★ 14 cited

Prospects for a survey of the Galactic plane with the Cherenkov Telescope Array

CTA Consortium

Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way. A survey of the entire Galactic Plane in the energy range from a few tens of GeV…

astro-ph.IM2023★ 1 cited

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…

astro-ph.HE2023

Variability studies of active galactic nuclei from the long-term monitoring program with the Cherenkov Telescope Array

Guillaume Grolleron, Josefa Becerra González, Jonathan Biteau +13

Blazars are active galactic nuclei (AGN) with a relativistic jet oriented toward the observer. This jet is composed of accelerated particles which can display emission over the ent…

astro-ph.IM2023

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…

astro-ph.HE2023★ 2 cited

Performance of the Large-Sized Telescope prototype of the Cherenkov Telescope Array

Daniel Morcuende, Rubén López-Coto, Abelardo Moralejo +2

The next-generation ground-based gamma-ray Cherenkov Telescope Array Observatory (CTAO) will consist of imaging atmospheric Cherenkov telescopes (IACTs) of three different sizes di…

astro-ph.IM2023

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)…

astro-ph.HE2023★ 2 cited

LST-1 observations of an enormous flare of BL Lacertae in 2021

Seiya Nozaki, Katsuaki Asano, Juan Escudero +2

The first prototype of LST (LST-1) for the Cherenkov Telescope Array has been in commissioning phase since 2018 and already started scientific observations with the low energy thre…

astro-ph.HE2023

Dark matter searches in dwarf spheroidal galaxies with the Cherenkov Telescope Array

Francesco Gabriele Saturni, Michele Doro, Aldo Morselli +1

Dark matter (DM) is one of the major components in the Universe. However, at present its existence is still only inferred through indirect astronomical observations. DM particles c…

astro-ph.IM2023

Mono and stereo performance of the two SST-1M telescope prototypes

J. Jurysek, T. Tavernier, V. Novotný +51

The Single-Mirror Small-Sized Telescope, or SST-1M, was originally developed as a prototype of a small-sized telescope for CTA, designed to form an array for observations of gamma-…

astro-ph.HE2023★ 220 cited

A tera-electronvolt afterglow from a narrow jet in an extremely bright gamma-ray burst 221009A

LHAASO Collaboration

Some gamma-ray bursts (GRBs) have an afterglow in the tera-electronvolt (TeV) band, but the early onset of this afterglow has not been observed. We report observations with the Lar…

astro-ph.HE2023★ 16 cited

Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud

The Cherenkov Telescope Array Consortium

A deep survey of the Large Magellanic Cloud at ~0.1-100TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the…

astro-ph.HE2022★ 40 cited

Constraints on heavy decaying dark matter from 570 days of LHAASO observations

The LHAASO Collaboration, Zhen Cao, F. Aharonian +276

The Kilometer Square Array~(KM2A) of the Large High Altitude Air Shower Observatory (LHAASO) aims at surveying the northern gamma-ray sky at energies above 10 TeV with unprecedente…