2006MNRAS.370.1859D

Query : 2006MNRAS.370.1859D

2006MNRAS.370.1859D - Mon. Not. R. Astron. Soc., 370, 1859-1866 (2006/August-3)

Swift observations of GRB 050712.

DE PASQUALE M., GRUPE D., POOLE T.S., BREEVELD A.A., ZANE S., ROSEN S.R., PAGE M.J., MASON K.O., BURROWS D.N., KRIMM H.A., GEHRELS N., NOUSEK J.A., ROMING P.W.A., KOBAYASHI S. and ZHANG B.

Abstract (from CDS):

We present the results of X-ray and optical observations of GRB 050712 performed by Swift. The X-ray light curve of this burst exhibits episodes of flares in the first 1000 s, the same epoch at which the UVOT detected an optical counterpart. A shallow X-ray decay, with a decay slope of α = -0.73, followed and lasted ∼70 ks. This behaviour can be explained in terms of activity of the gamma-ray burst `inner engine', with the possibility that the last flare is caused by the interaction of the ejecta with the surrounding medium.

We also find interesting spectral parameters for the X-ray emission. In particular, data suggest the presence of an intrinsic absorption in the first 1000 s, which can be explained if circumburst medium clouds lie along the line of sight.


Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): gamma-rays: bursts

Nomenclature: Text: [DGP2006] JHHMMSS.s+DDMMSS.s N=1.

CDS comments: In Intro. : GRB 030309 not identified, could be a misprint.

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 GRB 021004 gB 00 26 54.68 +18 55 41.6           ~ 560 0
2 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 650 1
3 [DGP2006] J051047.7+645448.2 X 05 10 47.70 +64 54 48.2           ~ 1 0
4 GRB 050712 gB 05 10 48.100 +64 54 47.60 19.09   17.86     ~ 71 0
5 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 883 1
6 SN 2002lt SN* 08 08 59.858 +06 43 37.52           SNIc: 363 1
7 GRB 980326 gB 08 36 34.3 -18 51 24           ~ 268 0
8 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 1012 1
9 GRB 000203C gB ~ ~           ~ 3 0

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