902 citations · 8.2k across the 125 of their papers we have counts for
18 papers · 1 filter
An update on site search activities for SWGO
M. Santander, U. Barres de Almeida, J. A. Bellido +19
The Southern Wide-field Gamma-ray Observatory (SWGO) is a project by scientists and engineers from 14 countries and 78 institutions to design and build the first wide-field, ground…
Future developments in ground-based gamma-ray astronomy
Ulisses Barres de Almeida, Martin Tluczykont
Ground-based gamma-ray astronomy is a powerful tool to study cosmic-ray physics, providing a diagnostic of the high-energy processes at work in the most extreme astrophysical accel…
Gamma-Ray Burst detection prospects for next generation ground-based VHE facilities
G. La Mura, U. Barres de Almeida, R. Conceição +6
Gamma-ray Bursts (GRB) were discovered by satellite-based detectors as powerful sources of transient -ray emission. The Fermi satellite detected an increasing number of these ev…
The Open Universe Initiative
P. Giommi, G. Arrigo, U. Barres De Almeida +6
The almost universal availability of electronic connectivity, web software, and portable devices is bringing about a major revolution: information of all kinds is rapidly becoming…
LATTES: a novel detector concept for a gamma-ray experiment in the Southern hemisphere
P. Assis, U. Barres de Almeida, A. Blanco +10
The Large Array Telescope for Tracking Energetic Sources (LATTES), is a novel concept for an array of hybrid EAS array detectors, composed of a Resistive Plate Counter array couple…
Science with the Cherenkov Telescope Array
The Cherenkov Telescope Array Consortium, :, B. S. Acharya +580
The Cherenkov Telescope Array, CTA, will be the major global observatory for very high energy gamma-ray astronomy over the next decade and beyond. The scientific potential of CTA i…
Performance of the MAGIC telescopes under moonlight
D. Guberman, P. Colin
MAGIC, a system of two imaging atmospheric Cherenkov telescopes, achieves its best performance under dark conditions, i.e. in absence of moonlight or twilight. Since operating the…
Multi-Objective Genetic Algorithm Optimisation for an Array of Cherenkov Telescopes
Bruno Fontes Souto, Ulisses Barres de Almeida, Ugo Giaccari
We have conceived and implemented a multi-objective genetic algorithm (GA) code for the optimisation of an array of Imaging Atmospheric Cherenkov Telescopes (IACTs). The algorithm…
Performance of the MAGIC telescopes under moonlight
MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +143
MAGIC, a system of two imaging atmospheric Cherenkov telescopes, achieves its best performance under dark conditions, i.e. in absence of moonlight or twilight. Since operating the…
LATTES: a new gamma-ray detector concept for South America
P. Assis, U. Barres de Almeida, A. Blanco +10
Currently the detection of Very High Energy gamma-rays for astrophysics rely on the measurement of the Extensive Air Showers (EAS) either using Cherenkov detectors or EAS arrays wi…
The Brazilian Science Data Center (BSDC)
Ulisses Barres de Almeida, Paolo Giommi, Carlos H. Brandt +1
Astrophysics and Space Science are becoming increasingly characterised by what is now known as "big data", the bottlenecks for progress partly shifting from data acquisition to "da…
Design and expected performance of a novel hybrid detector for very-high-energy gamma astrophysics
P. Assis, U. Barres de Almeida, A. Blanco +10
Current detectors for Very-High-Energy -ray astrophysics are either pointing instruments with a small field of view (Cherenkov telescopes), or large field-of-view instruments wi…
Status of the Cherenkov Telescope Array Project
Ulisses Barres de Almeida
Gamma-ray astronomy holds a great potential for Astrophysics, Particle Physics and Cosmology. The CTA is an inter- national initiative to build the next generation of ground-based…
The Optical System for the Large Size Telescope of the Cherenkov Telescope Array
M. Hayashida, K. Noda, M. Teshima +20
The Large Size Telescope (LST) of the Cherenkov Telescope Array (CTA) is designed to achieve a threshold energy of 20 GeV. The LST optics is composed of one parabolic primary mirro…
The Cherenkov Telescope Array Large Size Telescope
G. Ambrosi, Y. Awane, H. Baba +129
The two arrays of the Very High Energy gamma-ray observatory Cherenkov Telescope Array (CTA) will include four Large Size Telescopes (LSTs) each with a 23 m diameter dish and 28 m…
A Simple Method To Test For Energy-Dependent Dispersion In High Energy Light Curves Of Astrophysical Sources
Michael Daniel, Ulisses Barres de Almeida
We present a method of testing for the presence of energy dependent dispersion in transient features of a light curve. It is based on minimising the Kolmogorov distance between two…
A Simple Method to Test for Energy-Dependent Dispersion in High Energy Light-Curves of Astrophysical Sources
Ulisses Barres de Almeida, Michael Daniel
In this paper we discuss a simple method of testing for the presence of energy-dependent dispersion in high energy data-sets. It uses the minimisation of the Kolmogorov distance be…
Design Concepts for the Cherenkov Telescope Array
The CTA Consortium
Ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes. Ground-based gamma-ray…