activity
20092023
most citedThe major upgrade of the MAGIC telescopes, Part II: A performance study using observations of the Crab Nebula

534 citations · 5.2k across the 80 of their papers we have counts for

collaborators

81 papers

astro-ph.IM2023★ 98 cited

Gammapy: A Python package for gamma-ray astronomy

Axel Donath, Régis Terrier, Quentin Remy +42

In this article, we present Gammapy, an open-source Python package for the analysis of astronomical -ray data, and illustrate the functionalities of its first long-term-support…

astro-ph.HE2020★ 226 cited

Observation of inverse Compton emission from a long -ray burst

V. A. Acciari, S. Ansoldi, L. A. Antonelli +301

Long-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterised by an initial phase o…

astro-ph.HE2020★ 286 cited

Teraelectronvolt emission from the -ray burst GRB 190114C

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +177

Gamma-ray bursts (GRBs) of the long-duration class are the most luminous sources of electromagnetic radiation known in the Universe. They are generated by outflows of plasma ejecte…

astro-ph.HE2020★ 57 cited

MAGIC observations of the diffuse -ray emission in the vicinity of the Galactic Centre

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +173

Aims: rays can be used as a tracer in the search of sources of Galactic cosmic rays (CRs). We present deep observations of the Galactic Centre (GC) region with the MAGIC telesc…

astro-ph.HE2020★ 19 cited

A search for dark matter in Triangulum II with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +172

We present the first results from very-high-energy observations of the dwarf spheroidal satellite candidate Triangulum II with the MAGIC telescopes from 62.4 hours of good-quality…

astro-ph.HE2020★ 46 cited

The Great Markarian 421 Flare of February 2010: Multiwavelength variability and correlation studies

A. U. Abeysekara, W. Benbow, R. Bird +256

We report on variability and correlation studies using multiwavelength observations of the blazar Mrk 421 during the month of February, 2010 when an extraordinary flare reaching a…

astro-ph.HE2020★ 46 cited

Broadband characterisation of the very intense TeV flares of the blazar 1ES 1959+650 in 2016

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +164

1ES 1959+650 is a bright TeV high-frequency-peaked BL Lac object exhibiting interesting features like "orphan" TeV flares and a broad emission in the high-energy regime, that are d…

astro-ph.HE2020★ 59 cited

MAGIC very large zenith angle observations of the Crab Nebula up to 100 TeV

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +169

Aims: We aim to measure the Crab Nebula gamma-ray spectral energy distribution in the ~100 TeV energy domain and test the validity of existing leptonic emission models at these hig…

astro-ph.HE2020★ 48 cited

Study of the variable broadband emission of Markarian 501 during the most extreme Swift X-ray activity

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +185

Mrk501 is a very high-energy (VHE) gamma-ray blazar located at z=0.034. During a period of two weeks in July 2014, the highest X-ray activity of Mrk501 was observed in ~14 years of…

astro-ph.HE2020★ 50 cited

Monitoring of the radio galaxy M87 during a low emission state from 2012 to 2015 with MAGIC

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +188

M87 is one of the closest (z=0.00436) extragalactic sources emitting at very-high-energies (VHE, E > 100 GeV). The aim of this work is to locate the region of the VHE gamma-ray emi…

astro-ph.HE2019★ 58 cited

New hard-TeV extreme blazars detected with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +175

Extreme high-frequency peaked BL Lac objects (EHBLs) are blazars which exhibit extremely energetic synchrotron emission. They also feature non-thermal gamma-ray emission whose peak…

astro-ph.HE2019★ 4 cited

Statistics of VHE gamma-Rays in Temporal Association with Radio Giant Pulses from the Crab Pulsar

MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +146

The aim of this study is to search for evidence of a common emission engine between radio giant pulses (GPs) and very-high-energy (VHE, E>100 GeV) gamma-rays from the Crab pulsar.…

astro-ph.HE2019★ 33 cited

Testing emission models on the extreme blazar 2WHSP J073326.7+515354 detected at very high energies with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +173

Extreme high-energy peaked BL Lac objects (EHBLs) are an emerging class of blazars. Their typical two-hump structured spectral energy distribution (SED) peaks at higher energies wi…

astro-ph.HE2019★ 80 cited

Constraints on gamma-ray and neutrino emission from NGC 1068 with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +172

Starburst galaxies and star-forming active galactic nuclei (AGN) are among the candidate sources thought to contribute appreciably to the extragalactic gamma-ray and neutrino backg…

astro-ph.HE2019★ 101 cited

Measurement of the Extragalactic Background Light using MAGIC and Fermi-LAT gamma-ray observations of blazars up to z = 1

MAGIC collaboration, V. A. Acciari, S. Ansoldi +157

We present a measurement of the extragalactic background light (EBL) based on a joint likelihood analysis of 32 gamma-ray spectra for 12 blazars in the redshift range z = 0.03 to 0…

astro-ph.HE2019★ 14 cited

Deep observations of the globular cluster M15 with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +153

A population of globular clusters (GCs) has been recently established by the Fermi-LAT telescope as a new class of GeV -ray sources. Leptons accelerated to TeV energies, in the…

astro-ph.HE2019★ 10 cited

MAGIC and Fermi-LAT gamma-ray results on unassociated HAWC sources

M. L. Ahnen, S. Ansoldi, L. A. Antonelli +336

The HAWC Collaboration released the 2HWC catalog of TeV sources, in which 19 show no association with any known high-energy (HE; E > 10 GeV) or very-high-energy (VHE; E > 300 GeV)…

astro-ph.HE2019★ 38 cited

A Fast Very High Energy -ray Flare from BL Lacertae during a Period of Multiwavelength activity in June 2015

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +163

The mechanisms producing fast variability of the -ray emission in active galactic nuclei are under debate. The MAGIC telescopes detected a fast very high energy (VHE, E Ge…

astro-ph.HE2018★ 10 cited

Discovery of TeV -ray emission from the neighbourhood of the supernova remnant G24.7+0.6 by MAGIC

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +151

SNR G24.7+0.6 is a 9.5 kyrs radio and -ray supernova remnant evolving in a dense medium. In the GeV regime, SNR G24.7+0.6 (3FHL\,J1834.1--0706e/FGES\,J1834.1--0706) shows a hard…

astro-ph.HE2018★ 71 cited

Periastron Observations of TeV Gamma-Ray Emission from a Binary System with a 50-year Period

The VERITAS Collaboration, A. U. Abeysekara, W. Benbow +212

We report on observations of the pulsar / Be star binary system PSR J2032+4127 / MT91 213 in the energy range between 100 GeV and 20 TeV with the VERITAS and MAGIC imaging atmosphe…

astro-ph.HE2018★ 55 cited

Constraining very-high-energy and optical emission from FRB 121102 with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +155

Fast radio bursts (FRBs) are bright flashes observed typically at GHz frequencies with millisecond duration, whose origin is likely extragalactic. Their nature remains mysterious,…

astro-ph.HE2018★ 84 cited

The extreme HBL behaviour of Markarian 501 during 2012

M. L. Ahnen, S. Ansoldi, L. A. Antonelli +276

A multiwavelength campaign was organized to take place between March and July of 2012. Excellent temporal coverage was obtained with more than 25 instruments, including the MAGIC,…

astro-ph.HE2018★ 235 cited

The blazar TXS 0506+056 associated with a high-energy neutrino: insights into extragalactic jets and cosmic ray acceleration

S. Ansoldi, L. A. Antonelli, C. Arcaro +146

A neutrino with energy of 290 TeV, IceCube-170922A, was detected in coincidence with the BL Lac object TXS~0506+056 during enhanced gamma-ray activity, with chance coincidenc…

astro-ph.HE2018★ 26 cited

The broad-band properties of the intermediate synchrotron peaked BL Lac S2 0109+22 from radio to VHE gamma rays

MAGIC Collaboration, S. Ansoldi, L. A. Antonelli +163

The MAGIC telescopes observed S2 0109+22 in 2015 July during its flaring activity in high energy gamma rays observed by Fermi-LAT. We analyse the MAGIC data to characterise the ver…