2012ApJ...748..132Z

Query : 2012ApJ...748..132Z

2012ApJ...748..132Z - Astrophys. J., 748, 132 (2012/April-1)

Unusual central engine activity in the double burst GRB 110709B.

ZHANG B.-B., BURROWS D.N., ZHANG B., MESZAROS P., WANG X.-Y., STRATTA G., D'ELIA V., FREDERIKS D., GOLENETSKII S., CUMMINGS J.R., NORRIS J.P., FALCONE A.D., BARTHELMY S.D. and GEHRELS N.

Abstract (from CDS):

The double burst, GRB 110709B, triggered the Swift/Burst Alert Telescope (BAT) twice at 21:32:39 UT and 21:43:45 UT, respectively, on 2011 July 9. This is the first time we observed a gamma-ray burst (GRB) with two BAT triggers. In this paper, we present simultaneous Swift and Konus-WIND observations of this unusual GRB and its afterglow. If the two events originated from the same physical progenitor, their different time-dependent spectral evolution suggests they must belong to different episodes of the central engine, which may be a magnetar-to-BH accretion system.

Abstract Copyright: ∼

Journal keyword(s): gamma-ray burst: general

Simbad objects: 8

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Number of rows : 8
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 070110 gB 00 03 39.270 -52 58 27.00 21.8 21.9 21.2     ~ 220 0
2 GRB 041219 gB 00 24 27.7 +62 50 34           ~ 231 1
3 GRB 070721B gB 02 12 32.98 -02 11 39.8           ~ 128 0
4 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 1007 1
5 GRB 060124 gB 05 08 25.900 +69 44 26.98   18.91 17.35     ~ 280 0
6 GRB 050502B gB 09 30 10.024 +16 59 48.07           ~ 169 0
7 GRB 110709B gB 10 58 37.2 -23 27 18           ~ 92 0
8 Fermi bn091024380 gB 22 37 +56.9           ~ 151 0

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