2014ApJ...794L...8B

Query : 2014ApJ...794L...8B

2014ApJ...794L...8B - Astrophys. J., 794, L8 (2014/October-2)

A size-duration trend for gamma-ray burst progenitors.

BARNACKA A. and LOEB A.

Abstract (from CDS):

Gamma-ray bursts (GRBs) show a bimodal distribution of durations, separated at a duration of ∼2 s. Observations have confirmed the association of long GRBs with the collapse of massive stars. The origin of short GRBs is still being explored. We examine constraints on the size of emission regions in short and long GRBs detected by Fermi/GBM. We find that the transverse extent of emission regions during the prompt phase, R, and the burst duration, T90, are consistent with the relation R ∼ cxT90, for both long and short GRBs. We find the characteristic transverse extent for the prompt emission region to be ∼2x1010 cm and ∼4x1011 cm for short and long GRBs, respectively.

Abstract Copyright: ∼

Journal keyword(s): gamma-ray burst: general - methods: data analysis

Simbad objects: 33

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Number of rows : 33
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 bn120624309 gB 00 19 +07.2           ~ 22 0
2 Fermi bn081221681 gB 01 03 10.2 -24 32 53           ~ 186 0
3 Fermi bn100814160 gB 01 29 53.61 -17 59 43.6           ~ 219 0
4 GRB 081222 gB 01 30 57.76 -34 05 44.0           ~ 199 0
5 GRB 100906A gB 01 54 44.19 +55 37 49.8           ~ 233 0
6 Fermi bn091208410 gB 01 57 38.50 +16 52 50.7           ~ 220 0
7 Fermi bn110213220 gB 02 51 51.37 +49 16 21.2           ~ 175 0
8 Fermi bn091005679 gB 02 52 +12.1           ~ 12 0
9 GRB 081209 gB 03 01 +63.5           ~ 28 0
10 GRB 090802A gB 05 37 19 +34 05.0           ~ 20 0
11 GRB 081121 gB 05 57 07.70 -60 36 42.1           ~ 152 0
12 GRB 090328 gB 06 02 39.69 -41 52 55.1           ~ 194 1
13 GRB 090228 gB 07 07.2 -24 18           ~ 45 0
14 GRB 080916C gB 07 59 23.24 -56 38 16.8           ~ 386 0
15 GRB 090102 gB 08 32 59.50 +33 06 25.7           ~ 253 0
16 Fermi bn081216531 gB 08 37 +07.6           ~ 35 0
17 GRB 090328B gB 10 23 +33.4           ~ 24 0
18 GRB 110705A gB 10 24 +40.1           ~ 22 0
19 Fermi bn091020900 gB 11 42 55.20 +50 58 42.0           ~ 188 0
20 Fermi bn100929916 gB 12 12 -24.9           ~ 9 0
21 GRB 090424 gB 12 38 07.40 +16 49 45.9           ~ 269 0
22 Fermi bn090323002 gB 12 42 50.28 +17 03 11.9           ~ 244 1
23 Fermi bn111112908 gB 14 55 +28.8           ~ 10 0
24 Fermi bn090108020 gB 17 23 +46.0           ~ 23 0
25 Fermi bn090902462 gB 17 39 45.26 +27 19 28.1           ~ 440 0
26 Fermi bn101216721 gB 18 57 -21.0           ~ 16 0
27 GRB 090618 gB 19 36 01.80 +78 21 07.1           ~ 358 0
28 Fermi bn120222119 gB 19 58 +26.5           ~ 16 0
29 Fermi bn080804972 gB 21 54 41.90 -53 11 20.2           ~ 158 0
30 Fermi bn080916406 gB 22 25 09.30 -57 01 33.7           ~ 177 0
31 Fermi bn091024380 gB 22 37 +56.9           ~ 151 0
32 Fermi bn120323507 gB 22 42 +29.7           ~ 60 0
33 Fermi bn090926181 gB 23 33 36.18 -66 19 25.9           ~ 339 0

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