The X-ray afterglow flat segment in short GRB 051221A: Energy injection from a millisecond magnetar?

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dc.creatorFan, Yizhong
dc.creatorXu, Dong
dc.date2006-05-18
dc.date2006-07-12
dc.date.accessioned2026-07-07T10:23:07Z
dc.date.available2026-07-07T10:23:07Z
dc.descriptionThe flat segment lasting $\sim 10^4$ seconds in the X-ray afterglow of GRB051221A represents the first clear case of strong energy injection in the external shock of a short GRB afterglow. In this work, we show that a millisecond pulsar with dipole magnetic field $\sim 10^{14}$ Gauss could well account for that energy injection. The good quality X-ray flat segment thus suggests that the central engine of this short burst may be a millisecond magnetar.
dc.description4 pages including 1 figure, accepted for publication in MNRAS Letters, minor revision
dc.identifierhttps://arxiv.org/abs/astro-ph/0605445
dc.identifierhttp://arxiv.org/abs/astro-ph/0605445
dc.identifierMon.Not.Roy.Astron.Soc.372:L19-L22,2006
dc.identifierdoi:10.1111/j.1745-3933.2006.00217.x
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/175713
dc.subjectAstrophysics
dc.titleThe X-ray afterglow flat segment in short GRB 051221A: Energy injection from a millisecond magnetar?
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