Search Results - "Bigongiari, C"
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SEARCH FOR COSMIC NEUTRINO POINT SOURCES WITH FOUR YEARS OF DATA FROM THE ANTARES TELESCOPE
Published in The Astrophysical journal (20-11-2012)“…In this paper, a time-integrated search for point sources of cosmic neutrinos is presented using the data collected from 2007 to 2010 by the ANTARES neutrino…”
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Using the photons from the Crab Nebula seen by GLAST to calibrate MAGIC and the imaging air Cherenkov telescopes
Published in Astroparticle physics (01-07-2005)“…In this article we discuss the possibility of using the observations by GLAST of standard gamma sources, as the Crab Nebula, to calibrate imaging air Cherenkov…”
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3
Measurement of the extragalactic background light using MAGIC and Fermi-LAT gamma-ray observations of blazars up to z = 1
Published in Monthly notices of the Royal Astronomical Society (01-07-2019)“…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…”
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4
The MAGIC telescope reflecting surface
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-02-2004)“…The Major Atmospheric Gamma Imaging Cherenkov telescope will achieve an energy threshold lower than any other present IACT (E Th ∼30 Gev) thanks to the largest…”
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Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and γ-ray activity in 2015–2016
Published in Monthly notices of the Royal Astronomical Society (01-06-2021)“…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…”
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6
A two-level pattern trigger for the MAGIC telescope
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-04-2001)“…Strong scientific motivation are pushing the second generation of ground base Cherenkov telescopes to lower as much as possible their energy threshold. MAGIC…”
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The Great Markarian 421 Flare of 2010 February: Multiwavelength Variability and Correlation Studies
Published in The Astrophysical journal (20-02-2020)“…We report on variability and correlation studies using multiwavelength observations of the blazar Mrk 421 during the month of 2010 February, when an…”
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MAGIC detection of GRB 201216C at z = 1.1
Published in Monthly notices of the Royal Astronomical Society (01-01-2024)“…ABSTRACT Gamma-ray bursts (GRBs) are explosive transient events occurring at cosmological distances, releasing a large amount of energy as electromagnetic…”
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9
Very-High-Energy Gamma Rays from a Distant Quasar: How Transparent Is the Universe?
Published in Science (American Association for the Advancement of Science) (27-06-2008)“…The atmospheric Cherenkov gamma-ray telescope MAGIC, designed for a low-energy threshold, has detected very-high-energy gamma rays from a giant flare of the…”
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Observation of the Gamma-Ray Binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS Telescopes
Published in The Astrophysical journal (01-12-2021)“…Abstract The results of gamma-ray observations of the binary system HESS J0632 + 057 collected during 450 hr over 15 yr, between 2004 and 2019, are presented…”
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The variability patterns of the TeV blazar PG 1553 + 113 from a decade of MAGIC and multiband observations
Published in Monthly notices of the Royal Astronomical Society (23-03-2024)“…ABSTRACT PG 1553 + 113 is one of the few blazars with a convincing quasi-periodic emission in the gamma-ray band. The source is also a very high energy (VHE;…”
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Multiwavelength Observations of the Blazar VER J0521+211 during an Elevated TeV Gamma-Ray State
Published in The Astrophysical journal (01-06-2022)“…Abstract We report on a long-lasting, elevated gamma-ray flux state from VER J0521+211 observed by VERITAS, MAGIC, and Fermi-LAT in 2013 and 2014. The peak…”
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13
Combined searches for dark matter in dwarf spheroidal galaxies observed with the MAGIC telescopes, including new data from Coma Berenices and Draco
Published in PHYSICS OF THE DARK UNIVERSE (01-03-2022)“…Milky Way dwarf spheroidal galaxies (dSphs) are among the best candidates to search for signals of dark matter annihilation with Imaging Atmospheric Cherenkov…”
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Probing quantum gravity using photons from a flare of the active galactic nucleus Markarian 501 observed by the MAGIC telescope
Published in Physics letters. B (16-10-2008)“…We analyze the timing of photons observed by the MAGIC telescope during a flare of the active galactic nucleus Mkn 501 for a possible correlation with energy,…”
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15
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303
Published in Science (American Association for the Advancement of Science) (23-06-2006)“…Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics…”
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Gamma-ray observations of MAXI J1820+070 during the 2018 outburst
Published in Monthly notices of the Royal Astronomical Society (23-09-2022)“…ABSTRACT MAXI J1820+070 is a low-mass X-ray binary with a black hole (BH) as a compact object. This binary underwent an exceptionally bright X-ray outburst…”
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Very High Energy Gamma-Ray Radiation from the Stellar Mass Black Hole Binary Cygnus X-1
Published in The Astrophysical journal (10-08-2007)“…We report on the results from the observations in the very high energy band (VHE; [unk] greater than or equal to 100 GeV) of the black hole X-ray binary (BHXB)…”
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Shower reconstruction in the CLUE experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-04-2001)“…The CLUE experiment studies primary cosmic rays (E≥2 TeV) by detecting UV (190–230 nm) Cherenkov light produced by atmospheric showers. Since atmospheric…”
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The broad-band properties of the intermediate synchrotron peaked BL Lac S2 0109+22 from radio to VHE gamma-rays
Published in Monthly notices of the Royal Astronomical Society (05-07-2018)“…Here, the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescopes observed S2 0109+22 in 2015 July during its flaring activity in high-energy…”
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20
Multiwavelength Variability and Correlation Studies of Mrk 421 During Historically Low X-ray and Y-ray Activity in 2015–2016
Published in Monthly notices of the Royal Astronomical Society (08-12-2020)“…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 Mets…”
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