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2010MNRAS.409..531R - Mon. Not. R. Astron. Soc., 409, 531-540 (2010/December-1)
The unusual X-ray emission of the short Swift GRB 090515: evidence for the formation of a magnetar ?
ROWLINSON A., O'BRIEN P.T., TANVIR N.R., ZHANG B., EVANS P.A., LYONS N., LEVAN A.J., WILLINGALE R., PAGE K.L., ONAL O., BURROWS D.N., BEARDMORE A.P., UKWATTA T.N., BERGER E., HJORTH J., FRUCHTER A.S., TUNNICLIFFE R.L., FOX D.B. and CUCCHIARA A.
Abstract (from CDS):
In this paper, we present the Swift observations of GRB 090515 and compare it to other gamma-ray bursts (GRBs) in the Swift sample. Additionally, we present optical observations from Gemini, which detected an afterglow of magnitude 26.4 ± 0.1 at T+ 1.7 h after the burst. We discuss potential causes of the unusual 0.3-10 keV emission and suggest it might be energy injection from an unstable millisecond pulsar. Using the duration and flux of the plateau of GRB 090515, we place constraints on the millisecond pulsar spin period and magnetic field.
Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS
Journal keyword(s): gamma-ray burst: individual: GRB 090515 - stars: neutron
Simbad objects: 24
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