2012MNRAS.424.2392K

Query : 2012MNRAS.424.2392K

2012MNRAS.424.2392K - Mon. Not. R. Astron. Soc., 424, 2392-2399 (2012/August-2)

On the environment of short gamma-ray bursts.

KOPAC D., D'AVANZO P., MELANDRI A., CAMPANA S., GOMBOC A., JAPELJ J., BERNARDINI M.G., COVINO S., VERGANI S.D., SALVATERRA R. and TAGLIAFERRI G.

Abstract (from CDS):

In this paper, we present a sample of ten short gamma-ray bursts (GRBs) with a robust redshift determination, discovered by the Swift satellite up to 2011 January. We measure their X-ray absorbing column densities and collect data on the host galaxy offsets. We find evidence for intrinsic absorption and no correlation between the intrinsic absorbing column density and the projected offset of the GRB from its host galaxy centre. We find that the properties in the gamma regime (T90, fluence and 1-s peak photon flux) of short GRBs with `bright' and `faint' X-ray afterglow likely disfavour different prompt emission mechanisms. The host galaxy offset and GRB duration (T90) do not correlate. Instead, there is a hint of anticorrelation between the effective radius normalized host galaxy offset and T90. Finally, we examine the properties of short GRBs with short-lived and long-lived X-ray afterglows, finding that some short GRBs with short-lived X-ray afterglows have their optical afterglow detected. In light of this, the X-ray afterglow duration does not seem to be a unique indicator of a specific progenitor and/or environment for short GRBs.

Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society 2012 RAS

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

Simbad objects: 61

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Number of rows : 61
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 GRB 070810B gB 00 35 48.4 +08 49 18           ~ 52 0
2 Fermi bn100117879 gB 00 45 04.56 -01 35 41.7           ~ 137 0
3 GRB 100625A gB 01 03 10.98 -39 05 18.3           ~ 106 0
4 GRB 070724A gB 01 51 14.08 -18 35 38.8           ~ 173 0
5 Fermi bn081024245 gB 01 51 33.80 +61 21 08.2           ~ 68 0
6 GRB 091117A gB 02 03 46.90 -16 56 38.0           ~ 36 0
7 GRB 070209 gB 03 04 51.200 -47 22 34.19           ~ 43 0
8 Fermi bn100206563 gB 03 08 38.94 +13 09 25.5           ~ 126 0
9 GRB 050906 gB 03 31 15.28 -14 36 30.1           ~ 71 1
10 GRB 070729 gB 03 45 16.04 -39 19 19.9           ~ 72 0
11 GRB 070714B gB 03 51 22.30 +28 17 51.3           ~ 216 1
12 GRB 071227A gB 03 52 31.09 -55 59 03.3           ~ 175 0
13 GRB 090815C gB 04 17 57 -65 57.0           ~ 18 0
14 GRB 060313 gB 04 26 28.180 -10 50 37.95 20.55 21.03 19.66     ~ 146 0
15 GRB 101219A gB 04 58 20.45 -02 32 23.1           ~ 129 0
16 Fermi bn081101491 gB 06 23 20.70 -00 06 41.5           ~ 36 0
17 GRB 061006 gB 07 24 07.660 -79 11 55.10           ~ 193 1
18 GRB 091109B gB 07 30 59.90 -54 05 30.6           ~ 50 0
19 Fermi bn081226044 gB 08 02 00.36 -69 01 46.0           ~ 55 0
20 GRB 051227 gB 08 20 58.107 +31 55 32.01           ~ 121 0
21 GRB 090916 gB 08 26 19.60 +25 56 27.3           ~ 27 0
22 GRB 080121 gB 09 08 56.0 +41 50 29           ~ 35 0
23 GRB 061210 gB 09 38 05.270 +15 37 17.30           ~ 134 0
24 Fermi bn100216422 gB 10 17 03 +35 31.0           ~ 27 0
25 GRB 061217 gB 10 41 39.320 -21 07 22.11           ~ 122 0
26 GRB 090515 gB 10 56 41.0 +14 27 22           ~ 107 0
27 GRB 050509B gB 12 36 18.000 +29 01 24.00           ~ 309 1
28 GRB 090426 gB 12 36 19.49 +32 59 05.5           ~ 205 0
29 GRB 090607 gB 12 44 46.70 +44 06 28.4           ~ 37 0
30 GRB 100724A gB 12 58 10.38 -11 06 09.3           ~ 161 0
31 GRB 070406 gB 13 15 51.350 +16 30 46.90 20.54         ~ 49 0
32 GRB 070809 gB 13 35 04.2 -22 07 07           ~ 153 0
33 GRB 060801 gB 14 12 01.290 +16 58 54.00           ~ 157 0
34 GRB 100628A gB 15 03 53.59 -31 39 50.4           ~ 46 0
35 GRB 051114A gB 15 05 03.8 +60 09 22           ~ 28 0
36 GRB 090305 gB 16 07 02.0 -31 34 00           ~ 47 0
37 GRB 050813 gB 16 07 57.190 +11 14 57.80           ~ 138 1
38 GRB 100702A gB 16 22 47.26 -56 31 53.8           ~ 45 0
39 GRB 050724 gB 16 24 44.400 -27 32 27.90     19.70     ~ 439 1
40 GRB 090531B gB 16 48 15.0 -36 01 27           ~ 54 0
41 GRB 071112B gB 17 20 51.0 -80 53 02           ~ 46 0
42 GRB 080919 gB 17 40 53.00 -42 22 29.5           ~ 40 0
43 GRB 051105A gB 17 41 10.010 +34 55 45.16 21.26 21.20 20.33     ~ 51 0
44 GRB 060502B gB 18 35 46.060 +52 37 51.45           ~ 140 1
45 Fermi bn101224227 gB 19 03 41.91 +45 42 48.5           ~ 53 0
46 GRB 080503 gB 19 06 28.74 +68 47 35.8           ~ 155 0
47 GRB 080905A gB 19 10 39.10 -18 51 55.4           ~ 171 0
48 GRB 050925 gB 20 13 47.570 +34 19 51.40           ~ 65 0
49 GRB 080702A gB 20 52 12.21 +72 18 46.7           ~ 43 0
50 Fermi bn090621922 gB 20 53 49.30 +69 02 02.9           ~ 59 0
51 GRB 060614 gB 21 23 32.140 -53 01 36.10 18.89 20.12 19.54     ~ 612 1
52 GRB 070429B gB 21 52 03.820 -38 49 42.20           ~ 110 0
53 GRB 051221 gB 21 54 48.626 +16 53 27.16 19.49         ~ 351 1
54 GRB 051210 gB 22 00 40.930 -57 36 47.10           ~ 125 0
55 GRB 060505 gB 22 07 03.440 -27 48 51.89           ~ 259 1
56 GRB 061201 gB 22 08 32.060 -74 34 47.90           ~ 187 0
57 GRB 090510 gB 22 14 12.60 -26 35 51.1           ~ 494 1
58 GRB 080123 gB 22 35 46.100 -64 54 03.24           ~ 88 0
59 GRB 050709 gB 23 01 26.960 -38 58 39.50           ~ 297 1
60 GRB 100213A gB 23 17 34.04 +43 22 44.1           ~ 29 0
61 Fermi bn100816026 gB 23 26 57.56 +26 34 42.6           ~ 149 0

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