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5 papers · 2 filters
GRB081028 and its late-time afterglow re-brightening
R. Margutti, F. Genet, J. Granot +19
Swift captured for the first time a smoothly rising X-ray re-brightening of clear non-flaring origin after the steep decay in a long gamma-ray burst (GRB): GRB081028. A rising phas…
X-ray and UV observations of nova V598 Puppis between 147 and 255 days after outburst
K. L. Page, J. P. Osborne, A. M. Read +6
Aims: The launch of Swift has allowed many more novae to be observed regularly over the X-ray band. Such X-ray observations of novae can reveal ejecta shocks and the nuclear burnin…
Swift observations of the X-ray and UV evolution of V2491 Cyg (Nova Cyg 2008 No. 2)
K. L. Page, J. P. Osborne, P. A. Evans +8
We present extensive, high-density Swift observations of V2491 Cyg (Nova Cyg 2008 No. 2). Observing the X-ray emission from only one day after the nova discovery, the source is fol…
On the electron energy distribution index of Swift Gamma-Ray Burst Afterglows
P. A. Curran, P. A. Evans, M. de Pasquale +2
The electron energy distribution index, p, is a fundamental parameter of the synchrotron emission from a range of astronomical sources. Here we examine one such source of synchrotr…
Swift X-ray and UV monitoring of the Classical Nova V458 Vul (Nova Vul 2007)
J. -U. Ness, J. J. Drake, A. P. Beardmore +18
We describe the highly variable X-ray and UV emission of V458 Vul (Nova Vul 2007), observed by Swift between 1 and 422 days after outburst. Initially bright only in the UV, V458 Vu…