A. Bulgarelli
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View article: Results of the First ESTHER Summer Campaign: Detection of an Intense Positron Burst During a Summer Thunderstorm on Mount Etna
Results of the First ESTHER Summer Campaign: Detection of an Intense Positron Burst During a Summer Thunderstorm on Mount Etna Open
We report the results achieved by the Experiment to Study Thunderstorm High-Energy Radiation (ESTHER), a small ground-based project devoted to the investigation of high-energy radiation in thunderstorms, installed on Mt. Etna (Italy), duri…
View article: VHE γ-ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO
VHE γ-ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO Open
Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based $\gamma$-ray observatory operating in the energy range from $20\, \mathrm{GeV}$ up to $300\, \mathrm{TeV}$, with two sites in La Palma (Spain) and Paranal (Ch…
View article: VHE $γ$-ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO
VHE $γ$-ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO Open
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 Palma (Spain) and Paranal (Chile). It will consist of tele…
View article: Constraining the TeV gamma-ray emission of SN 2024bch, a possible type IIn-L from a red supergiant progenitor
Constraining the TeV gamma-ray emission of SN 2024bch, a possible type IIn-L from a red supergiant progenitor Open
We present very high-energy optical photometry and spectroscopic observations of SN 2024bch in the nearby galaxy NGC 3206 (∼20 Mpc). We used gamma-ray observations performed with the first Large-Sized Telescope (LST-1) of the Cherenkov Tel…
View article: SAG-SCI: the Real-time, High-level Analysis Software for Array Control and Data Acquisition of the Cherenkov Telescope Array Observatory
SAG-SCI: the Real-time, High-level Analysis Software for Array Control and Data Acquisition of the Cherenkov Telescope Array Observatory Open
International audience
View article: The new architecture design of the Science Alert Generation pipeline of the Cherenkov Telescope Array Observatory
The new architecture design of the Science Alert Generation pipeline of the Cherenkov Telescope Array Observatory Open
International audience
View article: The new architecture design of the Science Alert Generation pipeline of the Cherenkov Telescope Array Observatory
The new architecture design of the Science Alert Generation pipeline of the Cherenkov Telescope Array Observatory Open
The Cherenkov Telescope Array Observatory (CTAO) represents the next-generation gamma-ray observatory and will operate for several decades. It will be particularly suited to analyse transients and variable phenomena, which will trigger rea…
View article: GRB 221009A: Observations with LST-1 of CTAO and Implications for Structured Jets in Long Gamma-Ray Bursts
GRB 221009A: Observations with LST-1 of CTAO and Implications for Structured Jets in Long Gamma-Ray Bursts Open
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 the first strong evidence of a jet with a nontrivial angula…
View article: The New Architecture of the Online Observation Quality System for the ASTRI Mini-Array Project
The New Architecture of the Online Observation Quality System for the ASTRI Mini-Array Project Open
The ASTRI Mini-Array is an international collaboration led by the Italian National Institute for Astrophysics. The project aims to construct and operate an array of nine Imaging Atmospheric Cherenkov Telescopes to study gamma-ray sources a…
View article: Detection of the Geminga pulsar at energies down to 20 GeV with the LST-1 of CTAO
Detection of the Geminga pulsar at energies down to 20 GeV with the LST-1 of CTAO Open
Context. 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 tens of giga-electronvolts, and, out of the planned…
View article: Galactic transient sources with the Cherenkov Telescope Array Observatory
Galactic transient sources with the Cherenkov Telescope Array Observatory Open
A wide variety of Galactic sources show transient emission at soft and hard X-ray energies: low- and high-mass X-ray binaries containing compact objects, isolated neutron stars exhibiting extreme variability as magnetars as well as pulsar-…
View article: The Gamma-Flash Program: high-energy radiation and particles in thunderstorms, lightning, and terrestrial gamma-ray flashes
The Gamma-Flash Program: high-energy radiation and particles in thunderstorms, lightning, and terrestrial gamma-ray flashes Open
The Gamma-Flash program, funded by the Italian Space Agency (ASI) and led by the National Institute for Astrophysics (INAF), aims to study high-energy emissions related to thunderstorms, such as terrestrial gamma-ray flashes (TGFs) and gam…
View article: Numerical limits in the integration of Vlasov-Poisson equation for Cold Dark Matter
Numerical limits in the integration of Vlasov-Poisson equation for Cold Dark Matter Open
The Vlasov-Poisson systems of equations (VP) describes the evolution of a distribution of collisionless particles under the effect of a collective-field potential. VP is at the basis of the study of the gravitational instability of cosmolo…
View article: Detection of RS Oph with LST-1 and modelling of its HE/VHE gamma-ray emission
Detection of RS Oph with LST-1 and modelling of its HE/VHE gamma-ray emission Open
Context. 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 Major Atmospheric Gamma Imaging Cherenkov (MAGIC)…
View article: Benchmarking Quantum Convolutional Neural Networks for Signal Classification in Simulated Gamma-Ray Burst Detection
Benchmarking Quantum Convolutional Neural Networks for Signal Classification in Simulated Gamma-Ray Burst Detection Open
This study evaluates the use of Quantum Convolutional Neural Networks (QCNNs) for identifying signals resembling Gamma-Ray Bursts (GRBs) within simulated astrophysical datasets in the form of light curves. The task addressed here focuses o…
View article: The AGILE space mission: an Italian success story and its legacy for future space astronomy
The AGILE space mission: an Italian success story and its legacy for future space astronomy Open
AGILE (Astrorivelatore Gamma ad Immagini LEggero) has been a unique and hugely successful mission of Italian Space Agency (ASI), built and operated with the programmatic and technical support of the National Institute for Astrophysics (INA…
View article: A new method of reconstructing images of gamma-ray telescopes applied to the LST-1 of CTAO
A new method of reconstructing images of gamma-ray telescopes applied to the LST-1 of CTAO Open
Context . 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 emitted by the air showers they induce. The new generat…
View article: Prospects for γ-ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array
Prospects for γ-ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array Open
Galaxy clusters are expected to be both dark matter (DM) reservoirs and storage rooms for the cosmic-ray protons (CRp) that accumulate along the cluster's formation history. Accordingly, they are excellent targets to search for signals of …
View article: A detailed study of the very high-energy Crab pulsar emission with the LST-1
A detailed study of the very high-energy Crab pulsar emission with the LST-1 Open
Context. To date, three pulsars have been firmly detected by imaging atmospheric Cherenkov telescopes (IACTs). Two of them reached the TeV energy range, challenging models of very high-energy (VHE) emission in pulsars. More precise observa…
View article: Prospects for a survey of the galactic plane with the Cherenkov Telescope Array
Prospects for a survey of the galactic plane with the Cherenkov Telescope Array Open
Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way, detected with a combination of targeted observations and surveys. A survey of the entire Galactic Plane in the energy range from a few tens …
View article: A New Deep Learning Model to Detect Gamma-Ray Bursts in the AGILE Anticoincidence System
A New Deep Learning Model to Detect Gamma-Ray Bursts in the AGILE Anticoincidence System Open
The AGILE space mission was launched in 2007 to study X-ray and gamma-ray astrophysics. AGILE operated in spinning mode from 2009 until 2024 February 14, when it re-entered the Earth’s atmosphere. This work uses data acquired from the AGIL…
View article: Methodology for the integration of the array control and data acquisition system with array elements of the Cherenkov Telescope Array Observatory
Methodology for the integration of the array control and data acquisition system with array elements of the Cherenkov Telescope Array Observatory Open
International audience
View article: The first release of the Cherenkov Telescope Array Observatory array control and data acquisition software
The first release of the Cherenkov Telescope Array Observatory array control and data acquisition software Open
International audience
View article: Dark matter line searches with the Cherenkov Telescope Array
Dark matter line searches with the Cherenkov Telescope Array Open
Monochromatic gamma-ray signals constitute a potential smoking gun signature for annihilating or decaying dark matter particles that could relatively easily be distinguished from astrophysical or instrumental backgrounds. We provide an upd…
View article: Towards a response function for the COSI anticoincidence system: preliminary results from Geant4 simulations
Towards a response function for the COSI anticoincidence system: preliminary results from Geant4 simulations Open
The Compton Spectrometer and Imager (COSI) is an upcoming NASA Small Explorer\nsatellite mission scheduled for launch in 2027 and designed to conduct an\nall-sky survey in the energy range of 0.2-5 MeV. Its instrument consists of an\narray…