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Quasi-Periodic Oscillations and broadband variability in short magnetar bursts
Daniela Huppenkothen, Anna L. Watts, Phil Uttley +7
The discovery of quasi-periodic oscillations (QPOs) in magnetar giant flares has opened up prospects for neutron star asteroseismology. However, with only three giant flares ever r…
Automated rapid follow-up of Swift GRBs with AMI-LA
T. D. Staley, D. J. Titterington, R. P. Fender +6
We present 15-GHz follow-up radio observations of eleven Swift gamma-ray burst (GRB) sources, obtained with the Arcminute Microkelvin Imager Large Array (AMI-LA). The initial follo…
The Fermi-GBM X-ray burst monitor: thermonuclear bursts from 4U 0614+09
M. Linares, V. Connaughton, P. Jenke +12
Thermonuclear bursts from slowly accreting neutron stars (NSs) have proven difficult to detect, yet they are potential probes of the thermal properties of the neutron star interior…
Broadband Spectral Investigations of SGR J1550-5418 Bursts
Lin Lin, Ersin Gogus, Matthew G. Baring +9
We present the results of our broadband spectral analysis of 42 SGR J1550-5418 bursts simultaneously detected with the Swift/X-ray Telescope (XRT) and the Fermi/Gamma-ray Burst Mon…
Detection of spectral evolution in the bursts emitted during the 2008-2009 active episode of SGR J1550 - 5418
Andreas von Kienlin, David Gruber, Chryssa Kouveliotou +16
In early October 2008, the Soft Gamma Repeater SGRJ1550 - 5418 (1E 1547.0 - 5408, AXJ155052 - 5418, PSR J1550 - 5418) became active, emitting a series of bursts which triggered the…
Detailed optical and near-infrared polarimetry, spectroscopy and broadband photometry of the afterglow of GRB 091018: Polarisation evolution
K. Wiersema, P. A. Curran, T. Kruehler +30
[Abridged] A number of phenomena have been observed in GRB afterglows that defy explanation by simple versions of the standard fireball model, leading to a variety of new models. P…
SGR J1550-5418 bursts detected with the Fermi Gamma-ray Burst Monitor during its most prolific activity
A. J. van der Horst, C. Kouveliotou, N. M. Gorgone +32
We have performed detailed temporal and time-integrated spectral analysis of 286 bursts from SGR J1550-5418 detected with the Fermi Gamma-ray Burst Monitor (GBM) in January 2009, r…
VLT/X-shooter spectroscopy of the candidate black-hole X-ray binary MAXI J1659-152 in outburst
Ramanpreet Kaur, Lex Kaper, Lucas E. Ellerbroek +15
We present the optical to near-infrared spectrum of MAXI J1659-152, during the onset of its 2010 X-ray outburst. The spectrum was obtained with X-shooter on the ESO - Very Large Te…
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…
The Fermi GBM Gamma-Ray Burst Catalog: The First Two Years
William S. Paciesas, Charles A. Meegan, Andreas von Kienlin +26
The Fermi Gamma-ray Burst Monitor (GBM) is designed to enhance the scientific return from Fermi in studying gamma-ray bursts (GRBs). In its first two years of operation GBM trigger…
The Fermi GBM Gamma-Ray Burst Spectral Catalog: The First Two Years
Adam Goldstein, J. Michael Burgess, Robert D. Preece +25
We present systematic spectral analyses of GRBs detected by the Fermi Gamma-Ray Burst Monitor (GBM) during its first two years of operation. This catalog contains two types of spec…