J. E. McEnery
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View article: Puzzling Variation of Gamma Rays from the Sun over the Solar Cycle Revealed with Fermi-LAT
Puzzling Variation of Gamma Rays from the Sun over the Solar Cycle Revealed with Fermi-LAT Open
The steady-state gamma-ray emission from the Sun is thought to consist of two emission components due to interactions with Galactic cosmic rays: (1) a hadronic disk component, and (2) a leptonic extended component peaking at the solar edge…
View article: Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow
Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow Open
We report the discovery of GRB 221009A, the highest flux gamma-ray burst (GRB) ever observed by the Fermi Gamma-ray Burst Monitor (Fermi-GBM). This GRB has continuous prompt emission lasting more than 600 s, which smoothly transitions to a…
View article: Bright Gamma-Ray Flares Observed in GRB 131108A
Bright Gamma-Ray Flares Observed in GRB 131108A Open
GRB 131108A is a bright long gamma-ray burst (GRB) detected by the Large Area Telescope and the Gamma-ray Burst Monitor on board the Fermi Gamma-ray Space Telescope . Dedicated temporal and spectral analyses reveal three γ -ray flares domi…
View article: High-Energy Polarimetry - a new window to probe extreme physics in AGN jets
High-Energy Polarimetry - a new window to probe extreme physics in AGN jets Open
The constantly improving sensitivity of ground-based and space-borne observatories has made possible the detection of high-energy emission (X-rays and gamma-rays) from several thousands of extragalactic sources. Enormous progress has been …
View article: High-Energy Polarimetry - a new window to probe extreme physics in AGN jets
High-Energy Polarimetry - a new window to probe extreme physics in AGN jets Open
The constantly improving sensitivity of ground-based and space-borne observatories has made possible the detection of high-energy emission (X-rays and gamma-rays) from several thousands of extragalactic sources. Enormous progress has been …
View article: The e-ASTROGAM gamma-ray space observatory for the multimessenger astronomy of the 2030s
The e-ASTROGAM gamma-ray space observatory for the multimessenger astronomy of the 2030s Open
e-ASTROGAM is a concept for a breakthrough observatory space mission carrying a gamma-ray telescope dedicated to the study of the non-thermal Universe in the photon energy range from 0.15 MeV to 3 GeV. The lower energy limit can be pushed …
View article: Search for Gamma-Ray Emission from Local Primordial Black Holes with the Fermi Large Area Telescope
Search for Gamma-Ray Emission from Local Primordial Black Holes with the Fermi Large Area Telescope Open
Black holes with masses below approximately 10 15 g are expected to emit gamma-rays with energies above a few tens of MeV, which can be detected by the Fermi Large Area Telescope (LAT). Although black holes with these masses cannot be form…
View article: 3FHL: The Third Catalog of Hard Fermi-LAT Sources
3FHL: The Third Catalog of Hard Fermi-LAT Sources Open
We present a catalog of sources detected above 10 GeV by the Fermi Large Area Telescope (LAT) in the first 7 years of data using the Pass 8 event-level analysis. This is the Third Catalog of Hard Fermi -LAT Sources (3FHL), containing 1556 …
View article: FERMI LARGE AREA TELESCOPE DETECTION OF EXTENDED GAMMA-RAY EMISSION FROM THE RADIO GALAXY FORNAX A
FERMI LARGE AREA TELESCOPE DETECTION OF EXTENDED GAMMA-RAY EMISSION FROM THE RADIO GALAXY FORNAX A Open
We report the Fermi Large Area Telescope detection of extended γ -ray emission from the lobes of the radio galaxy Fornax A using 6.1 years of Pass 8 data. After Centaurus A, this is now the second example of an extended γ -ray source attri…
View article: FERMI GBM OBSERVATIONS OF LIGO GRAVITATIONAL-WAVE EVENT GW150914
FERMI GBM OBSERVATIONS OF LIGO GRAVITATIONAL-WAVE EVENT GW150914 Open
With an instantaneous view of 70% of the sky, the Fermi Gamma-ray Burst Monitor (GBM) is an excellent partner in the search for electromagnetic counterparts to gravitational-wave (GW) events. GBM observations at the time of the Laser Inter…
View article: FERMI LAT STACKING ANALYSIS OF SWIFT LOCALIZED GRBs
FERMI LAT STACKING ANALYSIS OF SWIFT LOCALIZED GRBs Open
We perform a comprehensive stacking analysis of data collected by the Fermi Large Area Telescope (LAT) of γ -ray bursts (GRBs) localized by the Swift spacecraft, which were not detected by the LAT but which fell within the instrument’s fie…