Please use this identifier to cite or link to this item:
|Title:||The unusual X-ray light curve of GRB 080307: The onset of the afterglow?|
|Authors:||Page, K. L.|
O'Brien, P. T.
Tanvir, N. R.
Osborne, J. P.
Starling, R. L. C.
Holland, S. T.
Levan, A. J.
Burrows, D. N.
Geach, J. E.
|Citation:||Monthly Notices of the Royal Astronomical Society, 2009, 395 (1), pp. 328-334|
|Abstract:||Swift-detected GRB 080307 showed an unusual smooth rise in its X-ray light curve around 100 s after the burst, at the start of which the emission briefly softened. This ‘hump’ has a longer duration than is normal for a flare at early times and does not demonstrate a typical flare profile. Using a two-component power-law-to-exponential model, the rising emission can be modelled as the onset of the afterglow, something which is very rarely seen in Swift-X-ray light curves. We cannot, however, rule out that the hump is a particularly slow early-time flare, or that it is caused by upscattered reverse shock electrons.|
|Rights:||This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2009 the authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. Deposited with reference to the publisher’s archiving policy available on the SHERPA/RoMEO website.|
|Appears in Collections:||Published Articles, Dept. of Physics and Astronomy|
Files in This Item:
|MNRAS-2009-Page-328-34.pdf||Published (publisher PDF)||1.6 MB||Adobe PDF||View/Open|
Items in LRA are protected by copyright, with all rights reserved, unless otherwise indicated.