activity
20092025
most citedThe Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission

4.1k citations · 8.1k across the 29 of their papers we have counts for

collaborators

30 papers

astro-ph.HE2025

X-ray Analysis of Gamma-Ray Burst Flares and Underlying Afterglows: Insights into Origin of Flares

H. Dereli-Bégué, A. Pe'er, D. Bégué +2

Gamma-ray burst (GRB) X-ray light curves exhibit a variety of complex temporal structures, such as flares and plateaus. The origin of flares seen in many GRB early afterglows is st…

astro-ph.HE2024

GRB 221009A: the B.O.A.T Burst that Shines in Gamma Rays

M. Axelsson, M. Ajello, M. Arimoto +151

We present a complete analysis of Fermi Large Area Telescope (LAT) data of GRB 221009A, the brightest Gamma-Ray Burst (GRB) ever detected. The burst emission above 30 MeV detected…

astro-ph.HE2024

Gamma-ray burst pulse structures and emission mechanisms

A Gowri, A. Pe'er, F. Ryde +1

The prompt phase X- and -ray light curves of gamma-ray bursts (GRBs) exhibit erratic and complex behaviour, often with multiple pulses. The temporal shape of individual pulses i…

astro-ph.HE2015★ 32 cited

Synchrotron emission in GRBs observed by Fermi: Its limitations and the role of the photosphere

S. Iyyani, F. Ryde, J. M. Burgess +2

It has been suggested that the prompt emission in gamma-ray bursts consists of several components giving rise to the observed spectral shape. Here we examine a sample of the 8 brig…

astro-ph.HE2013★ 293 cited

Fermi-LAT Observations of the Gamma-ray Burst GRB 130427A

LAT collaboration, GBM collaboration

The observations of the exceptionally bright gamma-ray burst (GRB) 130427A by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope provide constraints on the nature…

astro-ph.HE2013★ 74 cited

The First Pulse of the Extremely Bright GRB 130427A: A Test Lab for Synchrotron Shocks

R. Preece, J. Michael Burgess, A. von Kienlin +156

Gamma-ray burst (GRB) 130427A is one of the most energetic GRBs ever observed. The initial pulse up to 2.5 s is possibly the brightest well-isolated pulse observed to date. A fine…

astro-ph.IM2012★ 43 cited

LOFT: the Large Observatory For X-ray Timing

M. Feroci, J. W. den Herder, E. Bozzo +245

The LOFT mission concept is one of four candidates selected by ESA for the M3 launch opportunity as Medium Size missions of the Cosmic Vision programme. The launch window is curren…

astro-ph.HE2012★ 46 cited

Constraining the High-Energy Emission from Gamma-ray Bursts with Fermi

LAT Collaboration, GBM Collaboration

We examine 288 GRBs detected by the Fermi Gamma-ray Space Telescope's Gamma-ray Burst Monitor (GBM) that fell within the field-of-view of Fermi's Large Area Telescope (LAT) during…

astro-ph.HE2011★ 227 cited

Detection of a spectral break in the extra hard component of GRB 090926A

Fermi-LAT, Fermi-GBM collaborations

We report on the observation of the bright, long gamma-ray burst, GRB 090926A, by the Gamma-ray Burst Monitor (GBM) and Large Area Telescope (LAT) instruments on board the \Fermi\…

astro-ph.HE2010★ 64 cited

Fermi-LAT observations of the exceptional gamma-ray outbursts of 3C 273 in September 2009

A. A. Abdo et al.

We present the light curves and spectral data of two exceptionally luminous gamma-ray outburts observed by the Large Area Telescope (LAT) experiment on board Fermi Gamma-ray Space…

astro-ph.HE2010★ 165 cited

Fermi Large Area Telescope View of the Core of the Radio Galaxy Centaurus A

Fermi Collaboration, A. Falcone, H. Hase +2

We present gamma-ray observations with the LAT on board the Fermi Gamma-Ray Telescope of the nearby radio galaxy Centaurus~A. The previous EGRET detection is confirmed, and the loc…

astro-ph.HE2010★ 384 cited

Fermi Observations of GRB 090510: A Short Hard Gamma-Ray Burst with an Additional, Hard Power-Law Component from 10 keV to GeV Energies

The Fermi LAT, GBM Collaborations

We present detailed observations of the bright short-hard gamma-ray burst GRB 090510 made with the Gamma-ray Burst Monitor (GBM) and Large Area Telescope (LAT) on board the Fermi o…

astro-ph.HE2010★ 73 cited

Fermi Large Area Telescope observations of the Vela-X Pulsar Wind Nebula

The Fermi LAT Collaboration, Pulsar Timing Consortium

We report on gamma-ray observations in the off-pulse window of the Vela pulsar PSR B0833-45, using 11 months of survey data from the Fermi Large Area Telescope (LAT). This pulsar i…

astro-ph.HE2010★ 58 cited

Discovery of Pulsed -rays from PSR J0034-0534 with the Fermi LAT: A Case for Co-located Radio and -ray Emission Regions

The Fermi LAT Collaboration, Pulsar Timing Consortium

Millisecond pulsars (MSPs) have been firmly established as a class of gamma-ray emitters via the detection of pulsations above 0.1 GeV from eight MSPs by the Fermi Large Area Teles…

astro-ph.HE2010★ 86 cited

PSR J1907+0602: A Radio-Faint Gamma-Ray Pulsar Powering a Bright TeV Pulsar Wind Nebula

Fermi LAT Collaboration, the Fermi Pulsar Timing Consortium, : +1

We present multiwavelength studies of the 106.6 ms gamma-ray pulsar PSR J1907+06 near the TeV source MGRO J1908+06. Timing observations with Fermi result in a precise position dete…

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★ 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.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★ 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…

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…

astro-ph.HE2009★ 463 cited

The First Fermi Large Area Telescope Catalog of Gamma-ray Pulsars

A. A. Abdo

The dramatic increase in the number of known gamma-ray pulsars since the launch of the Fermi Gamma-ray Space Telescope (formerly GLAST) offers the first opportunity to study a popu…

astro-ph.CO2009★ 11 cited

Fermi/LAT discovery of gamma-ray emission from a relativistic jet in the narrow-line Seyfert 1 quasar PMN J0948+0022

L. Foschini, G. Ghisellini, L. Maraschi +2

We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope of high-energy gamma-ray emission from the peculiar quasar PMN J0948+0022 (z=0…

astro-ph.HE2009★ 61 cited

Prospects for GRB Science with the Fermi Large Area Telescope

D. L. Band, M. Axelsson, L. Baldini +54

The LAT instrument on the Fermi mission will reveal the rich spectral and temporal gamma-ray burst phenomena in the > 100 MeV band. The synergy with Fermi's GBM detectors will link…