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FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG
We present a catalog of high-energy gamma-ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi), during the first 11Expand
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GW151226: Observation of Gravitational Waves from a 22-Solar-Mass Binary Black Hole Coalescence.
We report the observation of a gravitational-wave signal produced by the coalescence of two stellar-mass black holes. The signal, GW151226, was observed by the twin detectors of the LaserExpand
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THE SPECTRAL ENERGY DISTRIBUTION OF FERMI BRIGHT BLAZARS
We have conducted a detailed investigation of the broadband spectral properties of the gamma-ray selected blazars of the Fermi LAT Bright AGN Sample (LBAS). By combining our accurately estimatedExpand
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The INTEGRAL mission
The ESA observatory INTEGRAL (International Gamma-Ray Astrophysics Laboratory) is dedicated to the fine spectroscopy (2.5 keV FWHM @ 1 MeV) and fine imaging (angular resolution: 12 arcmin FWHM) ofExpand
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GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2.
We describe the observation of GW170104, a gravitational-wave signal produced by the coalescence of a pair of stellar-mass black holes. The signal was measured on January 4, 2017 at 10∶11:58.6 UTC byExpand
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Spectrum of the isotropic diffuse gamma-ray emission derived from first-year Fermi Large Area Telescope data.
We report on the first Fermi Large Area Telescope (LAT) measurements of the so-called "extragalactic" diffuse gamma-ray emission (EGB). This component of the diffuse gamma-ray emission is generallyExpand
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Relativistic jet activity from the tidal disruption of a star by a massive black hole
Supermassive black holes have powerful gravitational fields with strong gradients that can destroy stars that get too close, producing a bright flare in ultraviolet and X-ray spectral regions fromExpand
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GW170814: A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence.
On August 14, 2017 at 10∶30:43 UTC, the Advanced Virgo detector and the two Advanced LIGO detectors coherently observed a transient gravitational-wave signal produced by the coalescence of twoExpand
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Spectral Properties of Bright Fermi-Detected Blazars in the Gamma-Ray Band
The gamma-ray energy spectra of bright blazars of the LAT Bright AGN Sample (LBAS) are investigated using Fermi-LAT data. Spectral properties (hardness, curvature and variability) established using aExpand
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A change in the optical polarization associated with a γ-ray flare in the blazar 3C 279
It is widely accepted that strong and variable radiation detected over all accessible energy bands in a number of active galaxies arises from a relativistic, Doppler-boosted jet pointing close to ourExpand
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