Search Results - "Barrio, JA"
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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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Performance of the MAGIC stereo system obtained with Crab Nebula data
Published in Astroparticle physics (01-02-2012)“…MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma. Since autumn 2009 both telescopes have been working…”
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3
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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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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Discovery of Very High Energy Gamma Radiation from IC 443 with the MAGIC Telescope
Published in The Astrophysical journal (01-08-2007)“…We report the detection of a new source of very high energy (VHE; [unk] greater than or equal to 100 Gev) Y-ray emission located close to the Galactic plane,…”
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Very High Energy Gamma-Ray Observations of Strong Flaring Activity in M87 in 2008 February
Published in The Astrophysical journal (20-09-2008)“…M87 is the only known nonblazar radio galaxy to emit very high energy (VHE) gamma rays. During a monitoring program of M87, a rapid flare in VHE gamma-rays was…”
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Observation of Gamma Rays from the Galactic Center with the MAGIC Telescope
Published in The Astrophysical journal (20-02-2006)“…Recently, the Galactic center has been reported to be a source of very high energy (VHE) g-rays by the CANGAROO, VERITAS, and HESS experiments. The energy…”
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Discovery of Very High Energy γ-Ray Emission from the Low-Frequency-peaked BL Lacertae Object BL Lacertae
Published in The Astrophysical journal (01-09-2007)“…The MAGIC collaboration observed BL Lacertae for 22.2 hr during 2005 August to December and for 26 hr during 2006 July to September. The source is the…”
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Improving the performance of the single-dish Cherenkov telescope MAGIC through the use of signal timing
Published in Astroparticle physics (2009)“…The Cherenkov light flashes produced by extensive air showers are very short in time. A high bandwidth and fast digitizing readout, therefore, can minimize the…”
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Observations of Markarian 421 with the MAGIC Telescope
Published in The Astrophysical journal (01-07-2007)“…The MAGIC telescope took data of very high energy gamma -ray emission from the blazar Markarian 421 (Mrk 421) between 2004 November and 2005 April. We present…”
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Discovery of Very High Energy Gamma Rays from 1ES 1218+30.4
Published in The Astrophysical journal (10-05-2006)“…The MAGIC collaboration has studied the high-frequency-peaked BL Lac object 1ES 1218+30.4, at a redshift z = 0.182, using the MAGIC imaging air Cerenkov…”
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MAGIC Upper Limits on the Very High Energy Emission from Gamma-Ray Bursts
Published in The Astrophysical journal (20-09-2007)“…During its first data cycle, between 2005 and the beginning of 2006, the fast repositioning system of the MAGIC telescope allowed the observation of nine…”
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SIMULTANEOUS MULTIWAVELENGTH OBSERVATIONS OF THE BLAZAR 1ES 1959+650 AT A LOW TeV FLUX
Published in The Astrophysical journal (01-05-2008)“…We present the results from a multiwavelength campaign on the TeV blazar 1ES 1959+650, performed in 2006 May. Data from the optical, UV, soft- and hard-X-ray,…”
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Detection of Very High Energy Radiation from the BL Lacertae Object PG 1553+113 with the MAGIC Telescope
Published in The Astrophysical journal (10-01-2007)“…In 2005 and 2006, the MAGIC telescope observed very high energy gamma-ray emission from the distant BL Lac object PG 1553+113. The overall significance of the…”
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Observation of Very High Energy γ-Rays from the AGN 1ES 2344+514 in a Low Emission State with the MAGIC Telescope
Published in The Astrophysical journal (20-06-2007)“…The MAGIC collaboration has observed very high energy gamma-ray emission from the AGN 1ES 2344+514. A gamma-ray signal corresponding to an 11 sigma excess and…”
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Observation of Very High Energy Gamma-Ray Emission from the Active Galactic Nucleus 1ES 1959+650 Using the MAGIC Telescope
Published in The Astrophysical journal (10-03-2006)“…The MAGIC Cerenkov telescope has observed very high energy (VHE) g-ray emission from the active galactic nucleus 1ES 1959+650 during 6 hr in 2004 September and…”
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Observation of VHE Gamma Radiation from HESS J1834–087/W41 with the MAGIC Telescope
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Flux Upper Limit on Gamma-Ray Emission by GRB 050713a from MAGIC Telescope Observations
Published in The Astrophysical journal (10-04-2006)“…The long-duration g-ray burst GRB 050713a was observed by the MAGIC Telescope 40 s after the burst onset and followed up for 37 minutes, until twilight. The…”
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Photo-oxidative degradation mechanisms in styrene–ethylene–butadiene–styrene (SEBS) triblock copolymer
Published in Polymer degradation and stability (01-04-2006)“…The photo-oxidative degradation of poly[styrene- b-ethylene- co-butylene- b-styrene], SEBS, has been studied at wavelengths cut-off below 290 nm, and…”
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Systematic Search for VHE Gamma-Ray Emission from X-Ray-bright High-Frequency BL Lac Objects
Published in The Astrophysical journal (10-07-2008)“…All but three (M87, BL Lac, and 3C 279) extragalactic sources detected so far at very high energy -rays belong to the class of high-frequency-peaked BL Lac…”
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