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- The Ohio State UniversityUS39 papers
- Stanford UniversityUS38 papers
- Kavli Institute for Particle Astrophysics and CosmologyUS37 papers
- Goddard Space Flight CenterUS35 papers
- SLAC National Accelerator LaboratoryUS35 papers
- University of Maryland, College ParkUS33 papers
- Centre National de la Recherche ScientifiqueFR31 papers
- University of California, Santa CruzUS31 papers
- University of TriesteIT31 papers
- Max Planck Institute for Extraterrestrial PhysicsDE29 papers
- Institute of Space SciencesES28 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR28 papers
11 papers · 2 filters
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…
Unusual Central Engine Activity in the Double Burst GRB 110709B
Bin-Bin Zhang, David Burrows, Bing Zhang +11
The double burst, GRB 110709B, triggered Swift/BAT twice at 21:32:39 UT and 21:43:45 UT, respectively, on 9 July 2011. This is the first time we observed a GRB with two BAT trigger…
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…
The Lag-Luminosity Relation in the GRB Source-Frame: An Investigation with Swift BAT Bursts
T. N. Ukwatta, K. S. Dhuga, M. Stamatikos +12
Spectral lag, which is defined as the difference in time of arrival of high and low energy photons, is a common feature in Gamma-ray Bursts (GRBs). Previous investigations have sho…
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…
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…