Search Results - "McEnery, J.E"
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SWIFT AND FERMI OBSERVATIONS OF X-RAY FLARES: THE CASE OF LATE INTERNAL SHOCK
Published in The Astrophysical journal (10-04-2015)“…Simultaneous Swift and Fermi observations of gamma-ray bursts (GRBs) offer a unique broadband view of their afterglow emission, spanning more than 10 decades…”
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A Measurement of the Spatial Distribution of Diffuse TeV Gamma-Ray Emission from the Galactic Plane with Milagro
Published in The Astrophysical journal (01-12-2008)“…Diffuse -ray emission produced by the interaction of cosmic-ray particles with matter and radiation in the Galaxy can be used to probe the distribution of…”
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SEARCH FOR EARLY GAMMA-RAY PRODUCTION IN SUPERNOVAE LOCATED IN A DENSE CIRCUMSTELLAR MEDIUM WITH THE FERMI LAT
Published in The Astrophysical journal (09-07-2015)“…ABSTRACT Supernovae (SNe) exploding in a dense circumstellar medium (CSM) are hypothesized to accelerate cosmic rays in collisionless shocks and emit GeV…”
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DEEP MORPHOLOGICAL AND SPECTRAL STUDY OF THE SNR RCW 86 WITH FERMI-LAT
Published in The Astrophysical Journal (10-03-2016)“…ABSTRACT RCW 86 is a young supernova remnant (SNR) showing a shell-type structure at several wavelengths and is thought to be an efficient cosmic-ray (CR)…”
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Detection of High-Energy Gamma-Ray Emission from the Globular Cluster 47 Tucanae with Fermi
Published in Science (American Association for the Advancement of Science) (14-08-2009)“…We report the detection of gamma-ray emissions above 200 megaelectron volts at a significance level of 17σ from the globular cluster 47 Tucanae, using data…”
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THE STUDY OF TeV VARIABILITY AND THE DUTY CYCLE OF Mrk 421 FROM 3 Yr OF OBSERVATIONS WITH THE MILAGRO OBSERVATORY
Published in The Astrophysical journal (20-02-2014)“…TeV-flaring activity with timescales as short as tens of minutes and an orphan TeV flare have been observed from the blazar Markarian 421 (Mrk 421). The TeV…”
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Evidence for TeV gamma-ray emission from a region of the galactic plane
Published in Physical review letters (16-12-2005)“…Gamma-ray emission from a narrow band at the galactic equator has previously been detected up to 30 GeV. We report evidence for a TeV gamma-ray signal from a…”
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Fermi LAT Stacking Analysis of Swift Localized Gamma-ray Bursts
Published in The Astrophysical journal (2016)“…We perform a comprehensive stacking analysis of data collected by the Fermi Large Area Telescope (LAT) of gamma-ray bursts (GRB) localized by the Swift…”
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Limits to Quantum Gravity Effects on Energy Dependence of the Speed of Light from Observations of TeV Flares in Active Galaxies
Published in Physical review letters (13-09-1999)Get full text
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Milagro observations of potential TeV emitters
Published in Astroparticle physics (01-05-2014)“…This paper reports the results from three targeted searches of Milagro TeV sky maps: two extragalactic point source lists and one pulsar source list. The first…”
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Pulsar Simulations for the Large Area Telescope
Published in Astroparticle physics (24-03-2009)“…Pulsars are among the prime targets for the Large Area Telescope (LAT) aboard the recently launched Fermi observatory. The LAT will study the gamma-ray…”
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Pulsar simulations for the Fermi Large Area Telescope
Published in Astroparticle physics (01-08-2009)“…Pulsars are among the prime targets for the Large Area Telescope (LAT) aboard the recently launched Fermi observatory. The LAT will study the gamma-ray…”
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Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009
Published in The Astrophysical journal (10-12-2009)“…Following the recent discovery of gamma rays from the radio-loud narrow-line Seyfert 1 galaxy PMN J0948+0022 (z=0.5846), we started a multiwavelength campaign…”
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Fermi LAT detection of pulsed $\gamma$-rays from the Vela-like pulsars PSR J1048-5832 and PSR J2229+6114
Published in The Astrophysical journal (01-12-2009)“…We report the detection of gamma-ray pulsations (> 0.1 GeV) from PSR J2229+6114 and PSR J1048-5832, the latter having been detected as a low-significance…”
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Milagrito, a TeV air-shower array
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-07-2000)“…Milagrito, a large, covered water-Cherenkov detector, was the world's first air-shower-particle detector sensitive to cosmic gamma rays below 1 TeV. It served…”
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The high-energy gamma-ray fluence and energy spectrum of GRB 970417a from observations with milagrito
Published in The Astrophysical journal (20-06-2002)Get full text
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Gamma-ray variability of BL lacs at E>300 GeV
Published in Advances in space research (1998)“…We report on observations of Mrk 421 and Mrk 501 at E γ >300 GeV during the 1995 and 1996 seasons. A multiwavelength observing campaign on Mrk 421 in the…”
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