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- Thomas Jefferson National Accelerator FacilityUS402 papers
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12 papers · 2 filters
Early-time VLA observations and broad-band afterglow analysis of the Fermi-LAT detected GRB 130907A
Péter Veres, Alessandra Corsi, Dale A. Frail +2
We present multi-wavelength observations of the hyper-energetic gamma-ray burst (GRB) 130907A, a Swift-discovered burst with early radio observations starting at hr aft…
Constraints on Very High Energy Emission from GRB 130427A
E. Aliu, T. Aune, A. Barnacka +89
Prompt emission from the very fluent and nearby (z=0.34) gamma-ray burst GRB 130427A was detected by several orbiting telescopes and by ground-based, wide-field-of-view optical tra…
Multiwavelength study of the northeastern outskirts of the extended TeV source HESS J1809-193
Blagoy Rangelov, Bettina Posselt, Oleg Kargaltsev +3
HESS J1809-193 is an extended TeV gamma-ray source in the Galactic Plane. Multiwavelength observations of the HESS J1809-193 field reveal a complex picture. We present results from…
Gamma-Ray Bursts: Temporal Scales and the Bulk Lorentz Factor
E. Sonbas, G. A. MacLachlan, K. S. Dhuga +3
For a sample of Swift and Fermi GRBs, we show that the minimum variability timescale and the spectral lag of the prompt emission is related to the bulk Lorentz factor in a complex…
Methods and results of a search for gravitational waves associated with gamma-ray bursts using the GEO600, LIGO, and Virgo detectors
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +889
In this paper we report on a search for short-duration gravitational wave bursts in the frequency range 64 Hz-1792 Hz associated with gamma-ray bursts (GRBs), using data from GEO60…
XMM-Newton Observations of Young and Energetic Pulsar J2022+3842
P. Arumugasamy, G. G. Pavlov, O. Kargaltsev
We report on EPIC observations of the young pulsar J2022+3842, with a characteristic age of 8.9 kyr. We detected X-ray pulsations and found the pulsation period $P\app…