2010ApJ...723.1711T

Query : 2010ApJ...723.1711T

2010ApJ...723.1711T - Astrophys. J., 723, 1711-1717 (2010/November-2)

Precursors of short gamma-ray bursts.

TROJA E., ROSSWOG S. and GEHRELS N.

Abstract (from CDS):

We carried out a systematic search of precursors on the sample of short gamma-ray bursts (GRBs) observed by Swift. We found that ∼8%-10% of short GRBs display such early episodes of emission. One burst (GRB 090510) shows two precursor events, the former ∼13 s and the latter ∼0.5 s before the GRB. We did not find any substantial difference between the precursor and the main GRB emission, and between short GRBs with and without precursors. We discuss possible mechanisms to reproduce the observed precursor emission within the scenario of compact object mergers. The implications of our results on quantum gravity constraints are also discussed.

Abstract Copyright: ∼

Journal keyword(s): gamma-ray burst: general - gamma-ray burst: individual: GRB090510 - stars: neutron

Simbad objects: 10

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Number of rows : 10
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 Fermi bn081024245 gB 01 51 33.80 +61 21 08.2           ~ 75 0
2 GRB 091117A gB 02 03 46.90 -16 56 38.0           ~ 39 0
3 GRB 900126 gB 08 46.5 -38 11           ~ 16 0
4 GRB 080121 gB 09 08 56.0 +41 50 29           ~ 40 0
5 GRB 061121 gB 09 48 54.570 -13 11 42.68 17.19 17.71 17.02     ~ 350 0
6 GRB 070406 gB 13 15 51.350 +16 30 46.90 20.54         ~ 50 0
7 UGCS J162444.39-273226.8 G 16 24 44.38275 -27 32 26.8381     19.70     ~ 469 1
8 GRB 080702A gB 20 52 12.21 +72 18 46.7           ~ 47 0
9 GRB 060505 gB 22 07 03.440 -27 48 51.89           ~ 286 1
10 Fermi bn090510016 G 22 14 12.6230 -26 34 58.550           ~ 548 0

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