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zadetkov: 125
1.
  • Prospects for detection of ... Prospects for detection of the pair-echo emission from TeV gamma-ray bursts
    Miceli, D.; Da Vela, P.; Prandini, E. Astronomy and astrophysics (Berlin), 05/2024
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    The intergalactic magnetic field (IGMF) present in the voids of large-scale structures is considered to be the weakest magnetic field in the Universe. Gamma-ray observations of blazars in the GeV-TeV ...
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2.
  • Study of the IACT angular a... Study of the IACT angular acceptance and Point Spread Function
    Da Vela, P.; Stamerra, A.; Neronov, A. ... Astroparticle physics, March 2018, 2018-03-00, Letnik: 98
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    Imaging Atmospheric Cherenkov Telescopes (IACT) are designed to detect γ-ray photons in the very-high energy (VHE) band from 50 GeV to more than 10 TeV. The few degree-scale field of view and the ...
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3.
  • The Blazar TXS 0506+056 Ass... The Blazar TXS 0506+056 Associated with a High-energy Neutrino: Insights into Extragalactic Jets and Cosmic-Ray Acceleration
    Ansoldi, S.; Arcaro, C.; Babi, A. ... Astrophysical journal. Letters, 08/2018, Letnik: 863, Številka: 1
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    A neutrino with energy ∼290 TeV, IceCube-170922A, was detected in coincidence with the BL Lac object TXS 0506+056 during enhanced gamma-ray activity, with chance coincidence being rejected at ∼3 ...
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4.
  • Measurement of the extragal... Measurement of the extragalactic background light using MAGIC and Fermi-LAT gamma-ray observations of blazars up to z = 1
    Ansoldi, S; Antonelli, L A; Arbet Engels, A ... Monthly notices of the Royal Astronomical Society, 07/2019, Letnik: 486, Številka: 3
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    ABSTRACT 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 = 0.03–0.944, ...
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5.
  • Multiwavelength variability... Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and γ-ray activity in 2015–2016
    Acciari, V A; Antonelli, L A; Barrio, J A ... Monthly notices of the Royal Astronomical Society, 06/2021, Letnik: 504, Številka: 1
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    ABSTRACT We report a characterization of the multiband flux variability and correlations of the nearby (z = 0.031) blazar Markarian 421 (Mrk 421) using data from Metsähovi, Swift, Fermi-LAT, MAGIC, ...
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6.
  • A cut-off in the TeV gamma-... A cut-off in the TeV gamma-ray spectrum of the SNR Cassiopeia A
    Ahnen, M. L; Arcaro, C; Bangale, P ... Monthly notices of the Royal Astronomical Society, 12/2017, Letnik: 472, Številka: 3
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    Abstract It is widely believed that the bulk of the Galactic cosmic rays is accelerated in supernova remnants (SNRs). However, no observational evidence of the presence of particles of PeV energies ...
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7.
  • Black hole lightning due to... Black hole lightning due to particle acceleration at subhorizon scales
    Aleksić, J.; Ansoldi, S.; Antonelli, L. A. ... Science (American Association for the Advancement of Science), 11/2014, Letnik: 346, Številka: 6213
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    Supermassive black holes with masses of millions to billions of solar masses are commonly found in the centers of galaxies. Astronomers seek to image jet formation using radio interferometry but ...
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8.
  • New Hard-TeV Extreme Blazar... New Hard-TeV Extreme Blazars Detected with the MAGIC Telescopes
    Acciari, V. A.; Ansoldi, S.; Babić, A. ... The Astrophysical journal. Supplement series, 03/2020, Letnik: 247, Številka: 1
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    Abstract Extreme high-frequency-peaked BL Lac objects (EHBLs) are blazars that exhibit extremely energetic synchrotron emission. They also feature nonthermal gamma-ray emission whose peak lies in the ...
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9.
  • Detection of persistent VHE... Detection of persistent VHE gamma-ray emission from PKS 1510–089 by the MAGIC telescopes during low states between 2012 and 2017
    Ansoldi, S.; Antonelli, L. A.; Arbet Engels, A. ... Astronomy and astrophysics (Berlin), 11/2018, Letnik: 619
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    Context. PKS 1510–089 is a flat spectrum radio quasar strongly variable in the optical and GeV range. To date, very high-energy (VHE, > 100 GeV) emission has been observed from this source either ...
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10.
  • MAGIC observations of the d... MAGIC observations of the diffuse γ -ray emission in the vicinity of the Galactic center
    Baack, D.; Barres de Almeida, U.; Becerra González, J. ... Astronomy and astrophysics (Berlin), 10/2020, Letnik: 642
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    Aims. In the presence of a sufficient amount of target material, γ -rays can be used as a tracer in the search for sources of Galactic cosmic rays (CRs). Here we present deep observations of the ...
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zadetkov: 125

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