English
Related papers

Related papers: MARS, the MAGIC Analysis and Reconstruction Softwa…

200 papers

The High Energy Stereoscopic System (H.E.S.S.) very high energy gamma-ray telescope array has added a fifth telescope of 600 m$^{2}$ mirror area to the centre of the 4 existing telescopes, lowering its energy threshold to the sub-100 GeV…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 R. D. Parsons , M. Gajdus , T. Murach

Context. The response of imaging atmospheric Cherenkov telescopes to incident {\gamma}-ray-initiated showers in the atmosphere changes as the telescopes age due to exposure to light and weather. These aging processes affect the…

Multi-agent systems (MAS) utilizing multiple Large Language Model agents with Retrieval Augmented Generation and that can execute code locally may become beneficial in cosmological data analysis. Here, we illustrate a first small step…

Instrumentation and Methods for Astrophysics · Physics 2024-12-04 Andrew Laverick , Kristen Surrao , Inigo Zubeldia , Boris Bolliet , Miles Cranmer , Antony Lewis , Blake Sherwin , Julien Lesgourgues

The Cherenkov Telescope Array (CTA) will be the world's largest and most sensitive ground-based gamma-ray observatory in the energy range from a few tens of GeV to tens of TeV. The LST-1 prototype, currently in its commissioning phase, is…

High Energy Astrophysical Phenomena · Physics 2021-11-30 Jakub Juryšek , Etienne Lyard , Roland Walter

We present KaRMMa 2.0, an updated version of the mass map reconstruction code introduced in Fiedorowicz et al. (2022). KaRMMa is a full-sky Bayesian algorithm for reconstructing weak lensing mass maps from shear data. It forward-models the…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-25 Pier Fiedorowicz , Eduardo Rozo , Supranta S. Boruah

Remote sensing of atmosphere is conventionally done via a study of extinction / scattering of light from natural (Sun, Moon) or artificial (laser) sources. Cherenkov emission from extensive air showers generated by cosmic rays provides one…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 A. Neronov , D. Malyshev , A. Dmytriiev

The CTAO (Cherenkov Telescope Array Observatory) is an international observatory currently under construction. With more than sixty telescopes, it will eventually be the largest and most sensitive ground-based gamma-ray observatory. CTAO…

Instrumentation and Methods for Astrophysics · Physics 2025-02-12 Hana Ali Messaoud , Thomas Vuillaume , Tom François

The observation of cosmic gamma-rays from the ground is based upon the detection of gamma-ray initiated air showers. At energies between approximately $10^{11}$ eV and $10^{13}$ eV, the imaging air Cherenkov technique is a particularly…

High Energy Astrophysical Phenomena · Physics 2016-06-22 D. Horns

Based on data and Monte-Carlo simulations of the HEGRA IACT system, improved analysis techniques were developed for the determination of the shower geometry and shower energy from the multiple Cherenkov images. These techniques allow, e.g.,…

Astrophysics · Physics 2009-10-31 W. Hofmann

The energy-dependent abundance of elements in cosmic rays plays an important role in understanding their acceleration and propagation. Most current results are obtained either from direct measurements by balloon- or satellite-borne…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Henrike Fleischhack

MAGIC-I is currently the Imaging Cherenkov Telescope with the worldwide largest reflector currently in operation. The initially achieved low trigger threshold of 60 GeV has been further reduced by means of a novel trigger that allows the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 E. Carmona , J. A. Coarasa , M. Barcelo

The article describes the automated documentation system designed to generate reports on research conducted by computer complex technical objects and systems in multi-level modeling environment {\guillemotleft}MARS{\guillemotright}. We…

Other Computer Science · Computer Science 2013-11-08 T. V. Gandzha , S. A Panov

Coded mask instruments have been used in high-energy astronomy for the last forty years now and designs for future hard X-ray/low gamma-ray telescopes are still based on this technique when they need to reach moderate angular resolutions…

Instrumentation and Methods for Astrophysics · Physics 2023-05-18 Andrea Goldwurm , Aleksandra Gros

The development of Imaging Atmospheric Cherenkov Telescopes (IACTs) unveiled the sky in the teraelectronvolt regime, initiating the so-called "TeV revolution", at the beginning of the new millennium. This revolution was also facilitated by…

Instrumentation and Methods for Astrophysics · Physics 2022-02-10 Giacomo D'Amico

The next decade can be considered the "golden age" of the Gamma Ray Astronomy with the two satellites for Gamma Ray Astronomy (AGILE and GLAST) in orbit. Therefore, thanks to many other X-ray experiments already in orbit (e.g. Swift,…

Astrophysics · Physics 2008-06-27 L. Angelo Antonelli

This paper is the first in a series devoted to the hard X-ray whole sky survey performed by the INTEGRAL observatory over seven years. Here we present an improved method for image reconstruction with the IBIS coded mask telescope. The main…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 R. Krivonos , M. Revnivtsev , S. Tsygankov , S. Sazonov , A. Vikhlinin , M. Pavlinsky , E. Churazov , R. Sunyaev

Simulating and analysing detailed observations of astrophysical sources for very high energy (VHE) experiments, like the Cherenkov Telescope Array (CTA), can be a demanding task especially in terms of CPU consumption and required storage.…

Instrumentation and Methods for Astrophysics · Physics 2019-03-13 M. Landoni , P. Romano , S. Vercellone , J. Knodlseder , A. Bianco , F. Tavecchio , A. Corina

We derive physical parameters of galaxies from their observed spectrum, using MOPED, the optimized data compression algorithm of Heavens, Jimenez & Lahav 2000. Here we concentrate on parametrising galaxy properties, and apply the method to…

Astrophysics · Physics 2009-11-06 Christian Reichardt , Raul Jimenez , Alan Heavens

With the ChemCam instrument, laser-induced breakdown spectroscopy (LIBS) has successively contributed to Mars exploration by determining elemental compositions of the soil, crust and rocks. Two new lunched missions, Chinese Tianwen 1 and…

Applied Physics · Physics 2022-04-19 Chen Sun , Weijie Xu , Yongqi Tan , Yuqing Zhang , Zengqi Yue , Sahar Shabbir , Mengting Wu , Long Zou , Fengye Chen , Jin Yu

Recent cosmic shear analyses have exhibited discrepancies of up to $1\sigma$ between the inferred cosmological parameters when analyzing summary statistics in real space versus harmonic space. In this paper, we demonstrate the consistent…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-23 Andy Park , Sukhdeep Singh , Xiangchong Li , Rachel Mandelbaum , Tianqing Zhang