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19962026
most citedThe Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission

4.1k citations

Showing 2009Show all

55 papers · 1 filter

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★ 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.SR2009★ 10 cited

Evidence of grain growth in the disk of the bipolar proto-planetary nebula M 1--92

K. Murakawa, T. Ueta, M. Meixner

We investigate the dust size and dust shell structure of the bipolar proto-planetary nebula M 1--92 by means of radiative transfer modeling. Our models consists of a disk and bipol…

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.SR2009★ 19 cited

The interface between the stellar wind and interstellar medium around R Cassiopeiae revealed by far-infrared imaging

T. Ueta, R. E. Stencel, I. Yamamura +11

The circumstellar dust shells of intermediate initial-mass (about 1 to 8 solar masses) evolved stars are generated by copious mass loss during the asymptotic giant branch phase. Th…

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.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…

quant-ph2009★ 14 cited

Quantum integrals and anhomomorphic logics

Stan Gudder

The full anhomomorphic logic of coevents $\ascript ^*$ is introduced. Atoms of $\ascript ^*$ and embeddings of the event set $\ascript$ into $\ascript ^*$ are discussed. The quantu…

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…

quant-ph2009

Examples of quantum integrals

Stan Gudder

We first consider a method of centering and a change of variable formula for a quantum integral. We then present three types of quantum integrals. The first considers the expectati…

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.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…

quant-ph2009★ 14 cited

An anhomomorphic logic for quantum mechanics

Stan Gudder

Although various schemes for anhomomorphic logics for quantum mechanics have been considered in the past we shall mainly concentrate on the quadratic or grade-2 scheme. In this sch…

astro-ph.HE2009★ 52 cited

Fermi LAT detection of pulsed gamma-rays from the Vela-like pulsars PSR J1048-5832 and PSR J2229+6114

Fermi LAT collaboration, Fermi Pulsar Timing Consortium

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 pulsar by EGRET. Data in t…

astro-ph.HE2009★ 163 cited

Swift and Fermi observations of the early afterglow of the short Gamma-Ray Burst 090510

M. De Pasquale, P. Schady, N. P. M. Kuin +11

We present the observations of GRB090510 performed by the Fermi Gamma-Ray Space Telescope and the Swift observatory. This is a bright, short burst that shows an extended emission d…

astro-ph.HE2009★ 260 cited

Fermi-LAT Discovery of Extended Gamma-ray Emission in the Direction of Supernova Remnant W51C

Fermi LAT collaboration

The discovery of bright gamma-ray emission coincident with supernova remnant (SNR) W51C is reported using the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescop…