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Testing the blast wave model with Swift GRBs
P. A. Curran, R. L. C. Starling, A. J. van der Horst +1
The complex structure of the light curves of Swift GRBs has made the identification of breaks, and the interpretation of the blast wave caused by the burst, more difficult than in…
Optimal Coaddition of Imaging Data for Rapidly Fading Gamma-Ray Burst Afterglows
A. N. Morgan, D. E. Vanden Berk, P. W. A. Roming +8
We present a technique for optimal coaddition of image data for rapidly varying sources, with specific application to gamma-ray burst (GRB) afterglows. Unweighted coaddition of rap…
Photometric Calibration of the Swift Ultraviolet/Optical Telescope
T. S. Poole, A. A. Breeveld, M. J. Page +28
We present the photometric calibration of the Swift UltraViolet/Optical Telescope (UVOT) which includes: optimum photometric and background apertures, effective area curves, colour…
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…
Early afterglow detection in the Swift observations of GRB 050801
Massimiliano De Pasquale, S. R. Oates, M. J. Page +8
We present results of Swift optical, UV and X-ray observations of the afterglow of GRB 050801. The source is visible over the full optical, UV and X-ray energy range of the Swift U…
Dust and Gas in the Local Environments of Gamma-Ray Bursts
P. Schady, K. O. Mason, M. J. Page +6
Using a sample of gamma-ray burst (GRB) afterglows detected by both the X-Ray and the UV/Optical Telescopes (XRT and UVOT) on Swift, we modelled the spectral energy distributions (…