2006MNRAS.365..874J

Query : 2006MNRAS.365..874J

2006MNRAS.365..874J - Mon. Not. R. Astron. Soc., 365, 874-884 (2006/January-3)

On the origin of the bimodal duration distribution of gamma-ray bursts and the subjet model.

JANIUK A., CZERNY B., MODERSKI R., CLINE D.B., MATTHEY C. and OTWINOWSKI S.

Abstract (from CDS):

The modified version of a bullet model for gamma-ray bursts (GRBs) is studied. The central engine of the source produces multiple subjets that are contained within a cone. The emission of photons in the source frame of a subjet takes place either in an infinitesimally thin shell, or during its expansion for a finite time. The analysis of the observed profiles of GRBs taken by the Burst And Transient Source Experiment leads us to the conclusion that the latter possibility is much more favoured. We also study the statistical distribution of GRBs in the context of their bimodality of durations, taking into account the capability of the detector of observing the signal above a certain flux limit. The model with shells emitting for a finite time is able to reproduce only one class of bursts, short or long, depending on the adopted physical parameters. Therefore, we suggest that the GRB bimodality is intrinsically connected with two separate classes of sources.

Abstract Copyright: 2005 The Authors. Journal compilation © 2005 RAS

Journal keyword(s): gamma-rays: bursts - gamma-rays: theory

Simbad objects: 88

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Number of rows : 88
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 2B 930219 gB 01 26.0 +65 00           ~ 8 0
2 Trigger 6386 gB 01 50 -63.2           ~ 4 0
3 4B 960705 gB 01 57.8 -00 17           ~ 8 0
4 4B 950810 gB 02 01.5 +05 46           ~ 6 0
5 1B 920121 gB 02 01.7 +28 34           ~ 10 0
6 Trigger 6385 gB 02 06 +40.9           ~ 6 0
7 1B 910703 gB 02 41.5 +29 29           ~ 16 0
8 2B 930113C gB 02 48.4 +84 25           ~ 11 0
9 3B 940112 gB 02 59.8 +59 55           ~ 10 0
10 4B 950620 gB 03 02.9 +06 08           ~ 7 0
11 1B 911123B gB 03 27.1 +75 31           ~ 10 0
12 GRB 000321 gB 03 28 +35.9           ~ 6 0
13 4B 960722C gB 03 28.2 -77 09           ~ 6 0
14 3B 940708C gB 03 33.6 +35 49           ~ 8 0
15 GRB 000222 gB 04 24 +70.5           ~ 6 0
16 GRB 970514 gB 04 40 -61.2           ~ 39 1
17 1B 911209B gB 04 58.4 +24 10           ~ 15 0
18 4B 951211 gB 05 24.6 -18 56           ~ 11 0
19 3B 931021B gB 05 43 34 +30 49.2           ~ 7 0
20 2B 920712B gB 06 14.9 -07 33           ~ 10 0
21 Trigger 6689 gB 06 23 02 +00 03.0           ~ 2 0
22 4B 950716 gB 06 23.8 +05 05           ~ 6 0
23 2B 930305B gB 06 25.8 +11 45           ~ 9 0
24 3B 931113 gB 06 28.5 +29 47           ~ 9 0
25 4B 950102 gB 06 32.6 -03 10           ~ 6 0
26 1B 910912 gB 07 18 26 -10 18.6           ~ 13 0
27 1B 911226 gB 07 25.2 -29 28           ~ 16 0
28 Trigger 5633 gB 07 26 -10.4           ~ 5 0
29 Trigger 7173 gB 07 27 36 -05 01.8           ~ 3 0
30 3B 931005 gB 08 16.5 -25 40           ~ 10 0
31 Trigger 6693 gB 08 57 00 +09 14.4           ~ 2 0
32 3B 940714C gB 09 02.1 -19 12           ~ 7 0
33 GRB 000213 gB 09 26 +07.2           ~ 6 0
34 Trigger 7060 gB 09 46 -52.6           ~ 4 0
35 3B 930606 gB 10 06 36 +31 12.0           ~ 9 0
36 3B 940326 gB 10 06.7 +24 44           ~ 8 0
37 Trigger 6299 gB 10 23 -49.2           ~ 5 0
38 Trigger 6700 gB 10 44 46 -58 02.4           ~ 2 0
39 Trigger 6347 gB 10 56 -02.7           ~ 4 0
40 3B 940128B gB 11 05.5 -00 03           ~ 10 0
41 Trigger 6145 gB 11 25 +12.9           ~ 4 0
42 3B 940329 gB 12 00.0 +08 55           ~ 18 0
43 4B 950101 gB 12 22.8 +27 44           ~ 6 0
44 4B 941218 gB 12 22.8 +48 18           ~ 6 0
45 Trigger 7970 gB 12 25 +72.7           ~ 5 0
46 SDSS J123612.87+285858.8 BiC 12 36 12.8803407000 +28 58 58.780075656           ~ 328 1
47 3B 940305B gB 12 45.1 +40 50           ~ 11 0
48 4B 941113 gB 13 11.3 +86 11           ~ 6 0
49 GRB 000415C gB 13 16 -31.0           ~ 10 1
50 1B 910928 gB 13 21.7 +54 34           ~ 13 0
51 4B 960523B gB 13 34.9 +42 09           ~ 6 0
52 4B 960311 gB 13 40.6 -74 37           ~ 6 0
53 2B 930220 gB 13 56.5 -61 45           ~ 9 0
54 1B 910711 gB 13 59.5 -16 23           ~ 33 0
55 3B 940812C gB 15 24.9 -24 58           ~ 8 0
56 3B 940410B gB 15 25.8 +51 27           ~ 9 0
57 GRB 000108 gB 15 52 -76.6           ~ 8 0
58 2B 930110B gB 15 59.7 +28 48           ~ 9 0
59 3B 930903 gB 16 11.4 -69 28           ~ 10 0
60 UGCS J162444.39-273226.8 G 16 24 44.38275 -27 32 26.8381     19.70     ~ 469 1
61 Trigger 7813 gB 16 43 -59.2           ~ 5 0
62 3B 930824 gB 17 01.0 +06 02           ~ 9 0
63 1B 920305B gB 17 38.4 +59 39           ~ 11 0
64 GRB 980112 gB 17 47 53 +10 42.6           ~ 5 0
65 Trigger 6265 gB 18 08 +03.2           ~ 4 0
66 3B 930326 gB 18 14.1 -45 06           ~ 10 0
67 1B 911120 gB 18 43.9 +31 05           ~ 9 0
68 Trigger 6215 gB 18 53 +48.2           ~ 4 0
69 1B 910518 gB 19 03 24 +80 49.2           ~ 18 0
70 4B 960615C gB 19 41.9 -65 58           ~ 6 0
71 Trigger 6591 gB 20 09 +04.6           ~ 3 0
72 Trigger 7292 gB 20 57 -61.5           ~ 4 0
73 1B 911016B gB 21 09.7 +11 59           ~ 10 0
74 4B 950115B gB 21 09.8 +19 28           ~ 6 0
75 4B 951014 gB 21 15.7 +38 05           ~ 6 0
76 3B 931120 gB 21 18.7 +23 02           ~ 9 0
77 4B 950410 gB 21 29 12 -23 16.8           ~ 6 0
78 Trigger 5592 gB 21 54 +34.0           ~ 6 0
79 Trigger 6573 gB 21 58 +52.6           ~ 3 0
80 Trigger 7227 gB 22 33 -39.0           ~ 4 0
81 Trigger 6372 gB 22 37 -43.9           ~ 4 0
82 3B 940515B gB 22 46.6 -41 22           ~ 9 0
83 NVSS J230126-385839 rG 23 01 26.7650 -38 58 40.422   22.22 21.22 21   ~ 325 1
84 4B 950129B gB 23 06.6 -50 54           ~ 6 0
85 3B 940428 gB 23 11.0 -01 34           ~ 13 0
86 4B 950920 gB 23 22.8 -41 25           ~ 4 0
87 Trigger 6123 gB 23 30 -47.5           ~ 6 1
88 4B 960704 gB 23 53.2 -07 18           ~ 5 0

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