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10 papers · 2 filters
When GRB afterglows get softer, hard components come into play
A. Moretti, R. Margutti, F. Pasotti +9
We aim to investigate the ability of simple spectral models to describe the GRB early afterglow emission. We performed a time resolved spectral analysis of a bright GRB sample dete…
Automatic analysis of Swift-XRT data
P. A. Evans, L. G. Tyler, A. P. Beardmore +1
The Swift spacecraft detects and autonomously observes ~100 Gamma Ray Bursts (GRBs) per year, ~96% of which are detected by the X-ray telescope (XRT). GRBs are accompanied by optic…
The in-flight spectroscopic performance of the Swift XRT CCD camera during 2006-2007
O. Godet, A. P. Beardmore, A. F. Abbey +26
The Swift X-ray Telescope focal plane camera is a front-illuminated MOS CCD, providing a spectral response kernel of 135 eV FWHM at 5.9 keV as measured before launch. We describe t…
Accurate early positions for Swift GRBS: enhancing X-ray positions with UVOT astrometry
M. R. Goad, L. G. Tyler, A. P. Beardmore +15
Here we describe an autonomous way of producing more accurate prompt XRT positions for Swift-detected GRBs and their afterglows, based on UVOT astrometry and a detailed mapping bet…
The SSS phase of RS Ophiuchi observed with Chandra and XMM-Newton I.: Data and preliminary Modeling
J. -U. Ness, S. Starrfield, A. P. Beardmore +13
The phase of Super-Soft-Source (SSS) emission of the sixth recorded outburst of the recurrent nova RS Oph was observed twice with Chandra and once with XMM-Newton. The observations…
An online repository of Swift/XRT light curves of GRBs
P. A. Evans, A. P. Beardmore, K. L. Page +12
Context. Swift data are revolutionising our understanding of Gamma Ray Bursts. Since bursts fade rapidly, it is desirable to create and disseminate accurate light curves rapidly. A…
GRB 061121: Broadband spectral evolution through the prompt and afterglow phases of a bright burst
K. L. Page, R. Willingale, J. P. Osborne +33
Swift triggered on a precursor to the main burst of GRB 061121 (z=1.314), allowing observations to be made from the optical to gamma-ray bands. Many other telescopes, including Kon…
The exceptionally extended flaring activity in the X-ray afterglow of GRB 050730 observed with Swift and XMM-Newton
M. Perri, D. Guetta, L. A. Antonelli +27
We present the results of a detailed spectral and temporal analysis of Swift and XMM-Newton observations of the high redshift (z=3.969) GRB 050730. The X-ray afterglow of GRB 05073…
GRB 050822: Detailed analysis of an XRF observed by Swift
O. Godet, K. L. Page, J. Osborne +10
We report on the temporal and spectral characteristics of the early X-ray emission from the GRB 050822 as observed by Swift. This burst is likely to be an XRF showing major X-ray f…
The prompt to late-time multiwavelength analysis of GRB 060210
P. A. Curran, A. J. van der Horst, A. P. Beardmore +19
We present our analysis of the multiwavelength photometric & spectroscopic observations of GRB 060210 and discuss the results in the overall context of current GRB models. All avai…