activity
20192026
most citedSensitivity of the Cherenkov Telescope Array for probing cosmology and fundamental physics with gamma-ray propagation

77 citations · 260 across the 27 of their papers we have counts for

collaborators

27 papers

astro-ph.HE2026

Constraints on the VHE counterpart of two binary black hole mergers observed by the MAGIC and CTAO LST-1 telescopes

K. Abe, S. Abe, J. Abhir +358

We present very-high-energy gamma-ray observations of two binary black hole merger candidates, GW240615_113620 and GW241125_010116, performed with the Major Atmospheric Gamma Imagi…

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.HE2026

VHE gamma-ray intranight variability from BL Lacertae during the extreme flaring state of 2022

K. Abe, S. Abe, A. Abhishek +297

BL Lacertae (BL Lac), the archetypal blazar of its subclass and one of the most studied blazars in the last decades, has undergone a series of major multi-wavelength outbursts sinc…

astro-ph.HE2025

CTAO LST-1 observations of magnetar SGR 1935+2154: Deep limits on sub-second bursts and persistent tera-electronvolt emission

K. Abe, S. Abe, A. Abhishek +333

The Galactic magnetar SGR 1935+2154 has exhibited prolific high-energy (HE) bursting activity in recent years. Investigating its potential tera-electronvolt counterpart could provi…

astro-ph.HE2025★ 2 cited

VHE -ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO

The CTAO-LST Project, :, K. Abe +331

Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based gamma-ray observatory operating in the energy range from 20 GeV up to 300 TeV, with two sites in La…

astro-ph.HE2025★ 3 cited

GRB 221009A: Observations with LST-1 of CTAO and Implications for Structured Jets in Long Gamma-Ray Bursts

LST Collaboration, K. Abe, S. Abe +328

GRB 221009A is the brightest gamma-ray burst (GRB) observed to date. Extensive observations of its afterglow emission across the electromagnetic spectrum were performed, providing…

astro-ph.IM2025★ 2 cited

Performance of MAGIC stellar intensity interferometer and expansion to MAGIC + CTAO-LST1 stellar intensity interferometer

Alejo Cifuentes, V. A. Acciari, F. Barnes +24

A new generation of optical intensity interferometers are emerging in recent years taking advantage of the existing infrastructure of Imaging Atmospheric Cherenkov Telescopes (IACT…

astro-ph.HE2025★ 1 cited

Detection of the Geminga pulsar at energies down to 20 GeV with the LST-1 of CTAO

The CTAO-LST Project, :, K. Abe +331

Geminga is the third gamma-ray pulsar firmly detected by imaging atmospheric Cherenkov telescopes (IACTs) after the Crab and the Vela pulsars. Most of its emission is expected at t…

astro-ph.IM2024★ 23 cited

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…

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.IM2023★ 13 cited

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…

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★ 9 cited

Prospects for -ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array

The Cherenkov Telescope Array Consortium, :, K. Abe +564

Galaxy clusters are expected to be dark matter (DM) reservoirs and storage rooms for the cosmic-ray protons (CRp) that accumulate along the cluster's formation history. Accordingly…

astro-ph.HE2023★ 50 cited

Observations of the Crab Nebula and Pulsar with the Large-Sized Telescope Prototype of the Cherenkov Telescope Array

CTA-LST Project, :, H. Abe +289

CTA (Cherenkov Telescope Array) is the next generation ground-based observatory for gamma-ray astronomy at very-high energies. The Large-Sized Telescope prototype (LST-1) is locate…

astro-ph.HE2022★ 24 cited

Multi-wavelength study of the galactic PeVatron candidate LHAASO J2108+5157

S. Abe, A. Aguasca-Cabot, I. Agudo +267

LHAASO J2108+5157 is one of the few known unidentified Ultra-High-Energy (UHE) gamma-ray sources with no Very-High-Energy (VHE) counterpart, recently discovered by the LHAASO colla…

astro-ph.IM2022★ 4 cited

First measurements and upgrade plans of the MAGIC intensity interferometer

Juan Cortina, V. A. Acciari, A. Biland +22

The two MAGIC 17-m diameter Imaging Atmospheric Cherenkov Telescopes have been equipped to work also as an intensity interferometer with a deadtime-free, 4-channel, GPU-based, real…

astro-ph.IM2022★ 1 cited

Calibration and performance of the readout system based on switched capacitor arrays for the Large-Sized Telescope of the Cherenkov Telescope Array

Seiya Nozaki, Kyosuke Awai, Aya Bamba +59

The Cherenkov Telescope Array (CTA) is the next-generation ground-based very-high-energy gamma-ray observatory. The Large-Sized Telescope (LST) of CTA is designed to detect gamma r…

astro-ph.HE2021★ 5 cited

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

R. López-Coto, A. Moralejo, M. Artero +15

The Large-Sized Telescope (LST) prototype of the future Cherenkov Telescope Array (CTA) is located at the Northern site of CTA, on the Canary Island of La Palma. It is designed to…

astro-ph.IM2021★ 2 cited

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…

astro-ph.IM2021

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…

astro-ph.IM2021★ 1 cited

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…