output
19912026
most citedObservation of Gravitational Waves from a Binary Black Hole Merger

14.2k citations

Showing 2011 · astro-ph.HEShow all

33 papers · 2 filters

astro-ph.HE2011★ 73 cited

Fermi Detection of γ-ray emission from the M2 Soft X-ray Flare on 2010 June 12

Fermi GBM Collaboration, Fermi LAT Collaboration, B. R. Dennis +2

The GOES M2-class solar flare, SOL2010-06-12T00:57, was modest in many respects yet exhibited remarkable acceleration of energetic particles. The flare produced an ~50 s impulsive…

astro-ph.HE2011★ 6 cited

Observation of CR Anisotropy with ARGO-YBJ

Giuseppe Di Sciascio, Roberto Iuppa

The measurement of the anisotropies of cosmic ray arrival direction provides important informations on the propagation mechanisms and on the identification of their sources. In thi…

astro-ph.HE2011★ 2 cited

The observation of Gamma Ray Bursts and Terrestrial Gamma-ray Flashes with AGILE

E. Del Monte, G. Barbiellini, F. Fuschino +50

Since its early phases of operation, the AGILE mission is successfully observing Gamma Ray Bursts (GRBs) in the hard X-ray band with the SuperAGILE imager and in the MeV range with…

astro-ph.HE2011★ 38 cited

Multimessenger Science Reach and Analysis Method for Common Sources of Gravitational Waves and High-energy Neutrinos

Bruny Baret, Imre Bartos, Boutayeb Bouhou +23

We present the baseline multimessenger analysis method for the joint observations of gravitational waves (GW) and high-energy neutrinos (HEN), together with a detailed analysis of…

astro-ph.HE2011★ 61 cited

The cosmic-ray and gas content of the Cygnus region as measured in gamma rays by the Fermi Large Area Telescope

the Fermi LAT Collaboration

The Cygnus region hosts a giant molecular-cloud complex which actively forms massive stars. Interactions of cosmic rays with interstellar gas and radiation fields make it shine at…

astro-ph.HE2011★ 37 cited

AGILE detection of Cygnus X-3 γ-ray active states during the period mid-2009/mid-2010

A. Bulgarelli, M. Tavani, A. W. Chen +70

Cygnus X-3 (Cyg X-3) is a well-known microquasar producing variable emission at all wavelengths. Cyg X-3 is a prominent X-ray binary producing relativistic jets, and studying its h…

astro-ph.HE2011★ 229 cited

Neutral pion emission from accelerated protons in the supernova remnant W44

A. Giuliani, M. Cardillo, M. Tavani +41

We present the AGILE gamma-ray observations in the energy range 50 MeV - 10 GeV of the supernova remnant (SNR) W44, one of the most interesting systems for studying cosmic-ray prod…

astro-ph.HE2011★ 29 cited

Simultaneous multi-wavelength campaign on PKS 2005-489 in a high state

The H. E. S. S. Collaboration, the Fermi LAT Collaboration, : +345

The high-frequency peaked BL Lac object PKS 2005-489 was the target of a multi-wavelength campaign with simultaneous observations in the TeV gamma-ray (H.E.S.S.), GeV gamma-ray (Fe…

astro-ph.HE2011★ 73 cited

Fermi Large Area Telescope Observations of the Supernova Remnant G8.7-0.1

LAT Collaboration

We present a detailed analysis of the GeV gamma-ray emission toward the supernova remnant (SNR) G8.7-0.1 with the Large Area Telescope (LAT) onboard the \emph{Fermi} Gamma-ray Spac…

astro-ph.HE2011★ 3 cited

Anisotropies in the diffuse gamma-ray background measured by Fermi LAT

A. Cuoco, T. Linden, M. N. Mazziotta +3

The small angular scale fluctuations of the (on large scale) isotropic gamma-ray background (IGRB) carry information about the presence of unresolved source classes. A guaranteed c…

astro-ph.HE2011★ 36 cited

CLUES on Fermi-LAT prospects for the extragalactic detection of munuSSM gravitino Dark Matter

G. A. Gomez-Vargas, M. Fornasa, F. Zandanel +4

The munuSSM is a supersymmetric model that has been proposed to solve the problems generated by other supersymmetric extensions of the standard model of particle physics. Given tha…

astro-ph.HE2011★ 72 cited

Search for Gamma-ray Emission from X-ray Selected Seyfert Galaxies with Fermi-LAT

LAT Collaboration

We report on a systematic investigation of the gamma-ray properties of 120 hard X-ray-selected Seyfert galaxies classified as `radio-quiet' objects, utilizing the three-year accumu…

astro-ph.HE2011★ 595 cited

Measurement of separate cosmic-ray electron and positron spectra with the Fermi Large Area Telescope

The Fermi LAT Collaboration, M. Ackermann, M. Ajello +148

We measured separate cosmic-ray electron and positron spectra with the Fermi Large Area Telescope. Because the instrument does not have an onboard magnet, we distinguish the two sp…

astro-ph.HE2011★ 566 cited

Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope

LAT Collaboration, M. Ackermann, M. Ajello +150

Satellite galaxies of the Milky Way are among the most promising targets for dark matter searches in gamma rays. We present a search for dark matter consisting of weakly interactin…

astro-ph.HE2011★ 1.3k cited

Fermi Large Area Telescope Second Source Catalog

LAT Collaboration

We present the second 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 (Fe…

astro-ph.HE2011★ 654 cited

The Second Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

LAT Collaboration

The second catalog of active galactic nuclei (AGNs) detected by the Fermi Large Area Telescope (LAT) in two years of scientific operation is presented. The Second LAT AGN Catalog (…

astro-ph.HE2011★ 124 cited

A Statistical Approach to Recognizing Source Classes for Unassociated Sources in the First Fermi-LAT Catalog

LAT Collaboration

The Fermi Large Area Telescope First Source Catalog (1FGL) provided spatial, spectral, and temporal properties for a large number of gamma-ray sources using a uniform analysis meth…

astro-ph.HE2011★ 80 cited

Observation of the Cosmic Ray Moon shadowing effect with ARGO-YBJ

YBJ Collaboration

Cosmic rays are hampered by the Moon and a deficit in its direction is expected (the so-called \emph{Moon shadow}). The Moon shadow is an important tool to determine the performanc…

astro-ph.HE2011★ 34 cited

Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun

The Fermi LAT Collaboration

During its first year of data taking, the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope has collected a large sample of high-energy cosmic-ray electrons an…

astro-ph.HE2011★ 91 cited

The brightest gamma-ray flaring blazar in the sky: AGILE and multi-wavelength observations of 3C 454.3 during November 2010

S. Vercellone, E. Striani, V. Vittorini +84

Since 2005, the blazar 3C 454.3 has shown remarkable flaring activity at all frequencies, and during the last four years it has exhibited more than one gamma-ray flare per year, be…

astro-ph.HE2011★ 356 cited

Fermi-LAT Observations of Markarian 421: the Missing Piece of its Spectral Energy Distribution

LAT collaboration, A. A. Abdo et al., the MAGIC collaboration +4

We report on the gamma-ray activity of the high-synchrotron-peaked BL Lacertae object Mrk 421 during the first 1.5 years of Fermi operation, from 2008 August 5 to 2010 March 12. We…

astro-ph.HE2011★ 75 cited

Long-term monitoring of the TeV emission from Mrk 421 with the ARGO-YBJ experiment

YBJ Collaboration, B. Bartoli, P. Bernardini +105

ARGO-YBJ is an air shower detector array with a fully covered layer of resistive plate chambers. It is operated with a high duty cycle and a large field of view. It continuously mo…

astro-ph.HE2011★ 67 cited

The Crab Nebula super-flare in April 2011: extremely fast particle acceleration and gamma-ray emission

E. Striani, M. Tavani, G. Piano +47

We report on the extremely intense and fast gamma-ray are above 100 MeV detected by AGILE from the Crab Nebula in mid-April 2011. This event is the fourth of a sequence of reported…

astro-ph.HE2011★ 41 cited

Detection of High-Energy Gamma-Ray Emission during the X-ray flaring activity in GRB100728A

The Fermi Collaboration, L. Piro

We present the simultaneous Swift and Fermi observations of the bright GRB100728A and its afterglow. The early X-ray emission is dominated by a vigorous flaring activity continuing…