593 citations · 28.6k across the 519 of their papers we have counts for
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Fundamental physics with blazar spectra: a critical appraisal
Giorgio Galanti, Fabrizio Tavecchio, Marco Landoni
Very-high-energy (VHE) BL Lac spectra extending above provide a unique opportunity for testing physics beyond the standard model of elementary particle and alternat…
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…
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.…
MAGIC and MWL monitoring of the blazar TXS 0506+056 in the 2018/2019 season
Konstancja Satalecka, Elisa Bernardini, Wrijupan Bhattacharyya +8
The gamma-ray blazar TXS 0506+056, was discovered in VHE gamma-rays by the MAGIC telescopes in 2017 in a follow-up campaign of a high energy neutrino event IceCube-170922A (IC+Ferm…
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…
MAGIC eyes to the extreme: testing the blazar emission models on EHBLs
Elisa Prandini, Cornelia Arcaro, Vandad Fallah Ramazani +6
Extreme high-energy peaked BL Lac objects (EHBLs) are blazars whose synchrotron emission peaks at exceptionally high energies, above few keV, in the hard X-ray regime. So far, only…
Testing blazar emission models on the extreme blazar PGC 2402248, newly discovered at very high energies with the MAGIC telescopes
L. Foffano, J. Becerra Gonzalez, M. Cerruti +5
Extreme high-energy peaked BL Lac objects (EHBLs) are a new emerging class of blazars. The typical two-hump structured spectral energy distribution (SED) is shifted to higher energ…
Anisotropic electron populations in BL Lac jets: consequences for the observed emission
F. Tavecchio, E. Sobacchi
We investigate the impact on the properties of high-energy emitting BL Lac objects of a population of electrons with an anisotropic momentum distribution. We adopt a simple phenome…
Very high-energy constraints on the Infrared Extragalactic Background Light
A. Franceschini, L. Foffano, E. Prandini +1
Context. Measurements of the Extragalactic Background Light (EBL) are a fundamental source of information on the collective emission of cosmic sources. Aims. At infrared wavelength…
A NuSTAR view of powerful gamma-ray loud blazars
G. Ghisellini, M. L. Perri, G. Costamante +6
We observed with the NuSTAR satellite 3 blazars at z>2, detected in gamma-rays by Fermi/LAT and in the soft X-rays, but not yet observed above 10 keV. The flux and slope of their X…
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…
Estimating absorption for UHE photons with lepton and hadron production
Giorgio Galanti, Fulvio Piccinini, Fabrizio Tavecchio +1
Surprisingly, the contribution to the cosmic opacity to UHE () -rays has been systematically computed so far for the and $γγ\to e^+ e^- e^+ e…
Unveiling the origin of the gamma-ray emission in NGC 1068 with the Cherenkov Telescope Array
Alessandra Lamastra, Fabrizio Tavecchio, Patrizia Romano +2
Several observations are revealing the widespread occurrence of mildly relativistic wide-angle AGN winds strongly interacting with the gas of their host galaxy. Such winds are pote…
Physics potential of the International Axion Observatory (IAXO)
E. Armengaud, D. Attie, S. Basso +88
We review the physics potential of a next generation search for solar axions: the International Axion Observatory (IAXO). Endowed with a sensitivity to discover axion-like particle…
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…
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…
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)…
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…
A Cloud-based architecture for the Cherenkov Telescope Array observation simulations. Optimisation, design, and results
M. Landoni, P. Romano, S. Vercellone +4
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 es…