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19932026
most citedThe Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission

4.1k citations

Showing 2009Show all

66 papers · 1 filter

astro-ph.HE2009★ 115 cited

The dust-scattering X-ray rings of the anomalous X-ray pulsar 1E 1547.0-5408

A. Tiengo, G. Vianello, P. Esposito +14

On 2009 January 22 numerous strong bursts were detected from the anomalous X-ray pulsar 1E 1547.0-5408. Swift/XRT and XMM-Newton/EPIC observations carried out in the following two…

astro-ph.HE2009★ 205 cited

Fermi observations of Cassiopeia and Cepheus: diffuse gamma-ray emission in the outer Galaxy

LAT collaboration

We present the analysis of the interstellar gamma-ray emission measured by the Fermi Large Area Telescope toward a region in the second Galactic quadrant at 100 deg < l < 145 deg a…

astro-ph.CO2009★ 1k cited

The Spectral Energy Distribution of Fermi bright blazars

A. A. Abdo, M. Ackermann, M. Ajello +107

(Abridged) We have conducted a detailed investigation of the broad-band spectral properties of the γ-ray selected blazars of the Fermi LAT Bright AGN Sample (LBAS). By combining ou…

astro-ph.HE2009★ 76 cited

Fermi Large Area Telescope Observations of the Cosmic-Ray Induced gamma-ray Emission of the Earth's Atmosphere

LAT collaboration

We report on measurements of the cosmic-ray induced gamma-ray emission of Earth's atmosphere by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. The LAT has ob…

astro-ph.HE2009★ 13 cited

XMM-Newton and INTEGRAL study of the SFXT IGR J18483-0311 in quiescence: hint of a cyclotron emission feature?

V. Sguera, L. Ducci, L. Sidoli +2

We report the results from archival XMM-Newton and INTEGRAL observations of the Supergiant Fast X-ray Transient (SFXT) IGR J18483-0311 in quiescence. The 18-60 keV hard X-ray behav…

astro-ph.HE2009★ 171 cited

Fermi Large Area Telescope Measurements of the Diffuse Gamma-Ray Emission at Intermediate Galactic Latitudes

LAT Collaboration

The diffuse Galactic gamma-ray emission is produced by cosmic rays (CRs) interacting with the interstellar gas and radiation field. Measurements by the Energetic Gamma-Ray Experime…

astro-ph.CO2009★ 78 cited

Discovery of very high energy gamma rays from PKS 1424+240 and multiwavelength constraints on its redshift

The VERITAS Collaboration, V. A. Acciari, The Fermi Collaboration +4

We report the first detection of very-high-energy (VHE) gamma-ray emission above 140 GeV from PKS 1424+240, a BL Lac object with an unknown redshift. The photon spectrum above 140…

astro-ph.HE2009★ 19 cited

XMM-Newton and Swift observations prove GRB 090709A to be a distant, standard, long GRB

A. De Luca, P. Esposito, G. L. Israel +4

GRB 090709A is a long gamma-ray burst (GRB) discovered by Swift, featuring a bright X-ray afterglow as well as a faint infrared transient with very red and peculiar colors. The bur…

astro-ph.HE2009★ 216 cited

Detection of Gamma-Ray Emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi

Fermi LAT Collaboration, A. A. Abdo

We report the detection of high-energy gamma-ray emission from two starburst galaxies using data obtained with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope…

astro-ph.HE2009★ 49 cited

Fermi Observations of the Very Hard Gamma-ray Blazar PG 1553+113

LAT Collaboration

We report the observations of PG 1553+113 during the first ~200 days of Fermi Gamma-ray Space Telescope science operations, from 4 August 2008 to 22 February 2009 (MJD 54682.7-5488…

astro-ph.CO2009★ 74 cited

The [OIII] emission line luminosity function of optically selected type-2 AGN from zCOSMOS

A. Bongiorno, M. Mignoli, G. Zamorani +61

We present a catalog of 213 type-2 AGN selected from the zCOSMOS survey. The selected sample covers a wide redshift range (0.15<z<0.92) and is deeper than any other previous study,…

astro-ph.HE2009★ 332 cited

Radio-Loud Narrow-Line Seyfert 1 as a New Class of Gamma-Ray AGN

LAT Collaboration, G. Ghisellini, L. Maraschi +1

We report the discovery with Fermi/LAT of gamma-ray emission from three radio-loud narrow-line Seyfert 1 galaxies: PKS 1502+036 (z=0.409), 1H 0323+342 (z=0.061) and PKS 2004-447 (z…

astro-ph.SR2009★ 65 cited

Gamma-ray and Radio Properties of Six Pulsars Detected by the Fermi Large Area Telescope

The Fermi LAT collaboration, the Fermi Pulsar Timing Consortium

We report the detection of pulsed gamma-rays for PSRs J0631+1036, J0659+1414, J0742-2822, J1420-6048, J1509-5850 and J1718-3825 using the Large Area Telescope (LAT) on board the Fe…

astro-ph.HE2009★ 279 cited

Fermi Large Area Telescope Observations of the Crab Pulsar and Nebula

The Fermi LAT collaboration, the Fermi Pulsar Timing Consortium, : +1

We report on gamma-ray observations of the Crab Pulsar and Nebula using 8 months of survey data with the Fermi Large Area Telescope (LAT). The high quality light curve obtained usi…

astro-ph.HE2009★ 24 cited

Wide band observations of the X-ray burster GS 1826-238

M. Cocchi, R. Farinelli, A. Paizis +1

GS 1826-238 is a well-studied X-ray bursting neutron star in a low mass binary system. Thermal Comptonisation by a hot electron cloud is a widely accepted mechanism accounting for…

astro-ph.CO2009★ 25 cited

The zCOSMOS-Bright survey: the clustering of early and late galaxy morphological types since z~1

S. de la Torre, O. Le Fèvre, C. Porciani +53

We measure the spatial clustering of galaxies as a function of their morphological type at z~0.8, for the first time in a deep redshift survey with full morphological information.…

astro-ph.HE2009★ 139 cited

Fermi LAT Observations of LS 5039

The Fermi LAT collaboration

The first results from observations of the high mass X-ray binary LS 5039 using the Fermi Gamma-ray Space Telescope data between 2008 August and 2009 June are presented. Our result…

astro-ph.CO2009★ 84 cited

Cool core remnants in galaxy clusters

M. Rossetti, S. Molendi

X ray clusters are conventionally divided into two classes: "cool core" (CC) and "non cool core" (NCC) objects, on the basis of the observational properties of their central region…

astro-ph.HE2009★ 147 cited

Fermi observations of TeV-selected AGN

S. J. Fegan, D. Sanchez, Fermi LAT Collaboration +2

We report on observations of TeV-selected AGN made during the first 5.5 months of observations with the Large Area Telescope (LAT) on-board the Fermi Gamma-ray Space Telescope (Fer…

astro-ph.HE2009★ 448 cited

Fermi Observations of GRB 090902B: A Distinct Spectral Component in the Prompt and Delayed Emission

GBM collaboration, LAT Collaboration, The Swift Team

We report on the observation of the bright, long gamma-ray burst, GRB 090902B, by the Gamma-ray Burst Monitor (GBM) and Large Area Telescope (LAT) instruments on-board the Fermi ob…

astro-ph.HE2009★ 104 cited

Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009

LAT Collaboration, E. Angelakis, C. Bailyn +39

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 from radio to gamma r…

astro-ph.HE2009★ 65 cited

Fermi observations of high-energy gamma-ray emission from GRB 080825C

LAT Collaboration

The Fermi Gamma-ray Space Telescope (FGST) has opened a new high-energy window in the study of Gamma-Ray Bursts (GRBs). Here we present a thorough analysis of GRB 080825C, which tr…

astro-ph.IM2009

The SXI telescope on board EXIST: scientific performances

L. Natalucci, A. Bazzano, S. Campana +9

The SXI telescope is one of the three instruments on board EXIST, a multiwavelength observatory in charge of performing a global survey of the sky in hard X-rays searching for Supe…

astro-ph.HE2009★ 198 cited

Fermi Large Area Telescope Gamma-Ray Detection of the Radio Galaxy M87

The Fermi LAT Collaboration, A. A. Abdo, D. E. Harris +2

We report the Fermi-LAT discovery of high-energy (MeV/GeV) gamma-ray emission positionally consistent with the center of the radio galaxy M87, at a source significance of over 10 s…