Swift XRT Observations of X-ray Flares in GRB Afterglows

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dc.creatorBurrows, David N.
dc.creatorRomano, P.
dc.creatorGodet, O.
dc.creatorFalcone, A.
dc.creatorPagani, C.
dc.creatorCusumano, G.
dc.creatorCampana, S.
dc.creatorChincarini, G.
dc.creatorHill, J. E.
dc.creatorGiommi, P.
dc.creatorGoad, M. R.
dc.creatorKennea, J. A.
dc.creatorKobayashi, S.
dc.creatorMeszaros, P.
dc.creatorNousek, J. A.
dc.creatorOsborne, J. P.
dc.creatorO'Brien, P. T.
dc.creatorPage, K. L.
dc.creatorTagliaferri, G.
dc.creatorZhang, B.
dc.creatorteam, the Swift XRT
dc.date2005-11-01
dc.date2005-11-01
dc.date.accessioned2026-07-07T06:44:48Z
dc.date.available2026-07-07T06:44:48Z
dc.descriptionThe Swift XRT has been observing GRB afterglows since December 23, 2004. Three-quarters of these observations begin within 300 s of the burst onset, providing an unprecendented look at the behavior of X-ray emission from GRB afterglows in the first few hours after the burst. While most of the early afterglows have smoothly declining lightcurves, a substantial fraction has large X-ray flares on short time-scales. We suggest that these flares provide support for models with extended central engine activity producing late-time internal shocks.
dc.description7 pages, 12 figures, X-Ray Universe 2005 conference proceedings
dc.identifierhttps://arxiv.org/abs/astro-ph/0511039
dc.identifierhttp://arxiv.org/abs/astro-ph/0511039
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/102871
dc.subjectAstrophysics
dc.titleSwift XRT Observations of X-ray Flares in GRB Afterglows
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