activity
20152026
most citedScience with e-ASTROGAM (A space mission for MeV-GeV gamma-ray astrophysics)

253 citations · 596 across the 27 of their papers we have counts for

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Showing astro-ph.HEShow all

18 papers · 1 filter

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.HE2025

Search for Axion-Like Particles from Nearby Pre-Supernova Stars

Saurabh Mittal, Thomas Siegert, Francesca Calore +7

Axion-like particles (ALPs) are hypothetical pseudoscalar bosons that arise in many extensions of the Standard Model and are well-motivated dark matter candidates. Nearby massive s…

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.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.HE2025★ 13 cited

Detection of RS Oph with LST-1 and modelling of its HE/VHE gamma-ray emission

CTA-LST Project, :, K. Abe +316

The recurrent nova RS Ophiuchi (RS Oph) underwent a thermonuclear eruption in August 2021. In this event, RS Oph was detected by the High Energy Stereoscopic System (H.E.S.S.), the…

astro-ph.HE2024★ 2 cited

A new method of reconstructing images of gamma-ray telescopes applied to the LST-1 of CTAO

CTA-LST Project, :, K. Abe +305

Imaging atmospheric Cherenkov telescopes (IACTs) are used to observe very high-energy photons from the ground. Gamma rays are indirectly detected through the Cherenkov light emitte…

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.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.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.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★ 19 cited

The Compton Spectrometer and Imager

John A. Tomsick, Steven E. Boggs, Andreas Zoglauer +72

The Compton Spectrometer and Imager (COSI) is a NASA Small Explorer (SMEX) satellite mission in development with a planned launch in 2027. COSI is a wide-field gamma-ray telescope…

astro-ph.HE2023★ 7 cited

The cosipy library: COSI's high-level analysis software

Israel Martinez-Castellanos, Savitri Gallego, Chien-You Huang +72

The Compton Spectrometer and Imager (COSI) is a selected Small Explorer (SMEX) mission launching in 2027. It consists of a large field-of-view Compton telescope that will probe wit…

astro-ph.HE2022★ 6 cited

Telescope Concepts in Gamma-Ray Astronomy

Thomas Siegert, Deirdre Horan, Gottfried Kanbach

This chapter outlines the general principles for the detection and characterisation of high-energy -ray photons in the energy range from MeV to GeV. Applications of these fundam…

astro-ph.HE2019★ 37 cited

Detection of the 511 keV Galactic positron annihilation line with COSI

Carolyn A. Kierans, Steven E. Boggs, Andreas Zoglauer +10

The signature of positron annihilation, namely the 511 keV -ray line, was first detected coming from the direction of the Galactic center in the 1970's, but the source of Galact…

astro-ph.HE2017★ 253 cited

Science with e-ASTROGAM (A space mission for MeV-GeV gamma-ray astrophysics)

A. De Angelis, V. Tatischeff, I. A. Grenier +248

e-ASTROGAM (enhanced ASTROGAM) is a breakthrough Observatory space mission, with a detector composed by a Silicon tracker, a calorimeter, and an anticoincidence system, dedicated t…

astro-ph.HE2015★ 88 cited

Correlated optical, X-ray, and gamma-ray flaring activity seen with INTEGRAL during the 2015 outburst of V404 Cygni

J. Rodriguez, M. Cadolle Bel, J. Alfonso-Garzón +20

After 25 years of quiescence, the microquasar V404 Cyg entered a new period of activity in June 2015. This X-ray source is known to undergo extremely bright and variable outbursts…