2016ApJ...828...36D

Query : 2016ApJ...828...36D

2016ApJ...828...36D - Astrophys. J., 828, 36-36 (2016/September-1)

Study of GRB light-curve decay indices in the afterglow phase.

DEL VECCHIO R., DAINOTTI M.G. and OSTROWSKI M.

Abstract (from CDS):

In this work, we study the distribution of temporal power-law decay indices, α, in the gamma-ray burst (GRB) afterglow phase, fitted for 176 GRBs (139 long GRBs, 12 short GRBs with extended emission, and 25 X-ray flashes) with known redshifts. These indices are compared with the temporal decay index, α_W, derived with the light-curve fitting using the Willingale et al. model. This model fitting yields similar distributions of α_W to the fitted α, but for individual bursts a difference can be significant. Analysis of (α, L_a) distribution, where L_a is the characteristic luminosity at the end of the plateau, reveals only a weak correlation of these quantities. However, we discovered a significant regular trend when studying GRB α values along the Dainotti et al. correlation between L_a and the end time of the plateau emission in the rest frame, {T}_{a}^{* }, hereafter LT correlation. We note a systematic variation of the α parameter distribution with luminosity for any selected {T}_{a}^{* }. We analyze this systematics with respect to the fitted LT correlation line, expecting that the presented trend may allow us to constrain the GRB physical models. We also attempted to use the derived correlation of α({T}_{a}) versus L{a}({T}{a}) to diminish the luminosity scatter related to the variations of α along the LT distribution, a step forward in the effort of standardizing GRBs. A proposed toy model accounting for this systematics applied to the analyzed GRB distribution results in a slight increase of the LT correlation coefficient.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

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

VizieR on-line data: <Available at CDS (J/ApJ/828/36): table1.dat>

Simbad objects: 172

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Number of rows : 172
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 070110 gB 00 03 39.270 -52 58 27.00 21.8 21.9 21.2     ~ 201 0
2 GRB 060912A gB 00 21 08.11 +20 58 18.9           ~ 103 1
3 GRB 071031 gB 00 25 37.40 -58 03 33.9           ~ 166 0
4 GRB 080710 gB 00 33 05.68 +19 30 05.8           ~ 122 0
5 SN 2010ma SN* 00 48 55.35 -34 33 59.5           SNIc 157 1
6 GRB 050824 gB 00 48 56.100 +22 36 32.00 19.66 21.03 20.46 23.70   ~ 177 0
7 Fermi bn120729456 gB 00 52 17.84 +49 56 23.1           ~ 96 0
8 GRB 050904 gB 00 54 50.794 +14 05 09.42           ~ 470 0
9 SN 2011kl SN* 00 57 22.64 -46 48 03.6           SNSLSN 230 1
10 Fermi bn081221681 gB 01 03 10.2 -24 32 53           ~ 157 0
11 Fermi bn100814160 gB 01 29 53.61 -17 59 43.6           ~ 192 0
12 GRB 081222 gB 01 30 57.76 -34 05 44.0           ~ 176 0
13 GRB 100901A gB 01 49 03.56 +22 45 30.6           ~ 153 0
14 GRB 070724A gB 01 51 14.08 -18 35 38.8           ~ 173 0
15 GRB 100906A gB 01 54 44.19 +55 37 49.8           ~ 199 0
16 Fermi bn091208410 gB 01 57 38.50 +16 52 50.7           ~ 191 0
17 GRB 060908 gB 02 07 18.360 +00 20 31.20 16.99 18.34 16.85     ~ 199 0
18 GRB 070721B gB 02 12 32.98 -02 11 39.8           ~ 116 0
19 SN 2009nz SN* 02 26 19.87 -18 57 08.6           ~ 273 1
20 GRB 070802 gB 02 27 35.91 -55 31 39.1           ~ 153 0
21 GRB 080411 gB 02 31 54.82 -71 18 07.5           ~ 94 0
22 GRB 050603 gB 02 39 56.839 -25 10 54.92     18.48     ~ 165 0
23 GRB 060906 gB 02 43 00.900 +30 21 42.12     19.84     ~ 132 0
24 GRB 140710A gB 02 44 16.26 +35 29 56.7           ~ 37 0
25 Fermi bn130925164 gB 02 44 42.38 -26 09 15.8           ~ 154 0
26 Fermi bn110213220 gB 02 51 51.37 +49 16 21.2           ~ 151 0
27 GRB 120802A gB 02 59 22.04 +13 46 05.0           ~ 62 0
28 GRB 061007 gB 03 05 19.510 -50 30 02.50 14.28 14.40 12.95     ~ 289 1
29 GRB 140509A gB 03 06 22.79 -62 38 20.9           ~ 25 0
30 GRB 070318 gB 03 13 56.830 -42 56 46.30 18.27 16.23 15.49     ~ 156 0
31 GRB 050318 gB 03 18 51.000 -46 23 43.61 18.10 18.68 17.58     ~ 178 0
32 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 940 1
33 GRB 060115 gB 03 36 08.400 +17 20 43.00           ~ 167 0
34 GRB 060223A gB 03 40 49.560 -17 07 48.40     17.90     ~ 89 0
35 GRB 110808A gB 03 49 04.28 -44 11 40.3           ~ 56 0
36 GRB 060210 gB 03 50 57.370 +27 01 34.40   20.27       ~ 253 0
37 GRB 070714B gB 03 51 22.30 +28 17 51.3           ~ 216 1
38 GRB 060904B gB 03 52 50.520 -00 43 30.61 18.27 19.14 18.37     ~ 192 0
39 GRB 091029 gB 04 00 40.00 -55 57 12.7           ~ 147 0
40 GRB 111008A gB 04 01 48.220 -32 42 34.09           ~ 103 0
41 GRB 121027A gB 04 14 23.450 -58 49 47.17           ~ 113 0
42 GRB 121024A gB 04 41 53.31 -12 17 26.1           ~ 120 0
43 Fermi bn131105087 gB 04 43 53.50 -63 00 17.7           ~ 74 0
44 Fermi bn120907017 gB 04 58 59.99 -09 18 53.7           ~ 72 0
45 GRB 060124 gB 05 08 25.900 +69 44 26.98   18.91 17.35     ~ 264 0
46 Fermi bn100728095 gB 05 55 02.00 -15 15 20.2           ~ 127 0
47 Fermi bn080928628 gB 06 20 16.85 -55 11 59.3           ~ 165 0
48 GRB 060729 gB 06 21 31.850 -62 22 12.69           ~ 282 0
49 GRB 140430A gB 06 51 44.58 +23 01 25.5           ~ 62 0
50 GRB 140213A gB 07 00 37.18 -73 08 14.1           ~ 78 0
51 GRB 110422A gB 07 28 11.21 +75 06 24.0           ~ 99 0
52 GRB 071020 gB 07 58 39.65 +32 51 38.8           ~ 151 0
53 GRB 081028 gB 08 07 34.40 +02 18 16.8           ~ 110 0
54 Fermi bn120118709 gB 08 19 29.05 -07 11 05.1           ~ 74 0
55 GRB 140419A gB 08 27 57.56 +46 14 25.3           ~ 78 0
56 GRB 090102 gB 08 32 59.50 +33 06 25.7           ~ 221 0
57 GRB 051016B gB 08 48 27.810 +13 39 20.00 20.45         ~ 144 0
58 GRB 110503A gB 08 51 06.31 +52 12 27.7           ~ 101 0
59 Fermi bn110106893 gB 08 56 37.0 +47 00 10           ~ 72 0
60 GRB 130408A gB 08 57 37.30 -32 21 38.9           ~ 82 0
61 SN 2012bz SN* 09 07 38.38 +14 01 07.5           SNIb/c 163 1
62 Fermi bn090516353 gB 09 12 59 -11 50.9           ~ 149 0
63 GRB 130505A gB 09 17 21.9014988888 +01 42 03.426207768           ~ 83 0
64 GRB 050505 gB 09 27 03.300 +30 16 23.70     20.74     ~ 191 0
65 Fermi bn090519881 gB 09 29 16.20 +00 11 23.9           ~ 86 0
66 Fermi bn140206304 gB 09 41 16.90 +66 45 42.7           ~ 118 0
67 GRB 061121 gB 09 48 54.570 -13 11 42.68 17.19 17.71 17.02     ~ 326 0
68 GRB 070306 gB 09 52 23.220 +10 28 55.20           ~ 206 1
69 Fermi bn090423330 gB 09 55 33.19 +18 08 57.7           ~ 357 0
70 GRB 130418A gB 09 56 08.86 +13 40 01.8           ~ 63 0
71 Fermi bn111228657 gB 10 00 16.04 +18 17 52.2           ~ 165 0
72 GRB 050319 gB 10 16 47.900 +43 32 53.80   18.02 17.01     ~ 258 0
73 GRB 100219A gB 10 16 48.48 -12 34 00.0           ~ 112 0
74 GRB 111123A gB 10 19 23.17 -20 38 41.9           ~ 68 0
75 GRB 100316B gB 10 54 00 -45 28.0           ~ 53 0
76 GRB 080430 gB 11 01 14.63 +51 41 07.8           ~ 142 0
77 GRB 100513A gB 11 18 26.83 +03 37 40.8           ~ 65 0
78 GRB 130603B gB 11 28 48.16 +17 04 18.2           ~ 346 0
79 Fermi bn091020900 gB 11 42 55.20 +50 58 42.0           ~ 164 0
80 GRB 080603B gB 11 46 07.46 +68 03 38.5           ~ 138 0
81 GRB 140515A gB 12 24 15.48 +15 06 17.7           ~ 73 0
82 GRB 050416 gB 12 33 54.600 +21 03 26.69     19.12     ~ 283 1
83 GRB 090426 gB 12 36 19.49 +32 59 05.5           ~ 205 0
84 GRB 090424 gB 12 38 07.40 +16 49 45.9           ~ 238 0
85 GRB 070810A gB 12 39 51.18 +10 45 02.8           ~ 73 0
86 GRB 121229A gB 12 40 23.41 -50 35 37.2           ~ 51 0
87 GRB 100724A gB 12 58 10.38 -11 06 09.3           ~ 161 0
88 GRB 080607A gB 12 59 47.14 +15 55 09.6           ~ 235 0
89 Fermi bn121211574 gB 13 02 07.99 +30 08 54.6           ~ 81 0
90 GRB 060512 gB 13 03 05.810 +41 11 27.21 19.12 19.63 17.20     ~ 134 0
91 Fermi bn130420313 gB 13 04 25.49 +59 25 26.8           ~ 93 0
92 GRB 130511A gB 13 06 34.89 +18 42 35.8           ~ 40 0
93 Fermi bn140423356 gB 13 09 06.20 +49 50 18.3           ~ 93 0
94 GRB 070208 gB 13 11 32.607 +61 57 54.37 20.79 20.79 19.86     ~ 108 0
95 Fermi bn120811649 gB 13 18 43.82 +62 18 02.8           ~ 94 0
96 GRB 060206 gB 13 31 43.420 +35 03 03.60   19.99 17.09     ~ 313 0
97 GRB 070809 gB 13 35 04.2 -22 07 07           ~ 153 0
98 GRB 090429B gB 14 02 40.10 +32 10 14.6           ~ 144 0
99 GRB 050730 gB 14 08 17.090 -03 46 18.90   20.32 17.68     ~ 313 0
100 GRB 090529 gB 14 09 52.49 +24 27 33.5           ~ 81 0
101 GRB 120521C gB 14 17 09.10 +42 08 39.8           ~ 78 0
102 GRB 080319B gB 14 31 41.04 +36 18 09.2           ~ 467 0
103 GRB 050802 gB 14 37 05.820 +27 47 12.62 16.85 17.38 16.97     ~ 173 0
104 GRB 080310 gB 14 40 13.89 -00 10 30.4           ~ 189 0
105 GRB 090205 gB 14 43 40.00 -27 50 51.4           ~ 85 0
106 GRB 060814 gB 14 45 21.480 +20 35 11.80           ~ 218 0
107 GRB 080721A gB 14 57 55.76 -11 43 24.9           ~ 164 0
108 GRB 060714 gB 15 11 26.450 -06 33 58.30   20.21 18.54     ~ 192 0
109 GRB 140614A gB 15 24 40.69 -79 07 43.8           ~ 33 0
110 GRB 060526 gB 15 31 18.360 +00 17 04.90   18.31 17.16     ~ 269 0
111 GRB 081203A gB 15 32 07.6 +63 31 15           ~ 157 0
112 Fermi bn120922939 gB 15 38 59.67 -20 10 55.0           ~ 68 0
113 GRB 120404A gB 15 40 02.29 +12 53 06.3           ~ 84 0
114 GRB 060418 gB 15 45 42.600 -03 38 20.00 15.73 16.19 14.98     ~ 360 0
115 GRB 110715A gB 15 50 44.090 -46 14 06.53           ~ 100 0
116 GRB 060510B gB 15 56 29.200 +78 34 12.00           ~ 143 0
117 GRB 060502A gB 16 03 42.480 +66 36 02.49     18.65     ~ 131 0
118 GRB 070521 gB 16 10 38.600 +30 15 22.70           ~ 149 0
119 GRB 120724A gB 16 20 46.0 +03 30 33           ~ 43 0
120 GRB 120327A gB 16 27 27.49 -29 24 53.8           ~ 95 0
121 GRB 050401 gB 16 31 28.84 +02 11 14.5           ~ 335 0
122 GRB 140629A gB 16 35 54.44 +41 52 36.7           ~ 73 0
123 GRB 130606A gB 16 37 35.12 +29 47 46.4           ~ 154 0
124 GRB 130604A gB 16 40 39.90 +68 13 28.4           ~ 37 0
125 GRB 070518 gB 16 56 47.750 +55 17 41.40 18.68 19.22 19.01     ~ 70 0
126 GRB 100418A gB 17 05 26.96 +11 27 41.9           ~ 180 0
127 GRB 080319C gB 17 15 55.48 +55 23 31.7           ~ 157 0
128 GRB 060926 gB 17 35 43.660 +13 02 18.60     19.36     ~ 128 0
129 GRB 090418 gB 17 57 15.2 +33 24 22           ~ 26 0
130 Fermi bn140506880 gB 18 27 06.04 -55 38 08.7           ~ 84 0
131 SN 2005nc SN* 18 32 32.560 +26 20 22.34           SNIc: 382 1
132 Fermi bn081008832 gB 18 39 52.40 -57 25 58.8           ~ 197 0
133 Fermi bn110731465 gB 18 42 00.99 -28 32 13.8           ~ 153 0
134 GRB 070529 gB 18 54 58.230 +20 39 34.00 20.38   17.25     ~ 88 0
135 Fermi bn140512814 gB 19 17 28.81 -15 05 39.5           ~ 102 0
136 GRB 090618 gB 19 36 01.80 +78 21 07.1           ~ 320 0
137 Fermi bn131004904 gB 19 44 27.20 -02 57 31.0           ~ 90 0
138 GRB 130514A gB 19 45 07.33 -07 58 41.1           ~ 62 0
139 GRB 100425A gB 19 56 47.16 -26 25 50.5           ~ 75 0
140 Fermi bn121128212 gB 20 02 23.88 +54 17 59.1           ~ 102 0
141 GRB 050315 gB 20 25 54.100 -42 36 02.19           ~ 215 0
142 GRB 091109A gB 20 37 00.50 -44 10 36.0           ~ 44 0
143 GRB 070508 gB 20 51 11.810 -78 23 04.88     19.62     ~ 131 0
144 GRB 100621A gB 21 01 13.12 -51 06 22.5           ~ 184 0
145 Fermi bn110818860 gB 21 09 20.890 -63 58 51.80           ~ 75 0
146 GRB 050922C gB 21 09 33.000 -08 45 30.10 15.15 15.86 14.69     ~ 282 0
147 GRB 060614 gB 21 23 32.140 -53 01 36.10 18.89 20.12 19.54     ~ 612 1
148 GRB 060605 gB 21 28 37.320 -06 03 31.30   20.12 16.53     ~ 193 0
149 GRB 060522 gB 21 31 44.850 +02 53 10.80           ~ 131 0
150 GRB 051221 gB 21 54 48.626 +16 53 27.16 19.49         ~ 351 1
151 GRB 060927A gB 21 58 11.930 +05 21 50.32           ~ 196 0
152 GRB 060607 gB 21 58 50.400 -22 29 46.70 18.49 16.67 15.09     ~ 295 0
153 GRB 051109A gB 22 01 15.320 +40 49 23.70   20.09 20.14     ~ 173 0
154 GRB 061201 gB 22 08 32.060 -74 34 47.90           ~ 187 0
155 GRB 131117A gB 22 09 19.47 -31 45 44.5           ~ 56 0
156 GRB 090510 gB 22 14 12.60 -26 35 51.1           ~ 494 1
157 GRB 071117 gB 22 20 10.40 -63 26 36.6           ~ 101 0
158 Fermi bn080916406 gB 22 25 09.30 -57 01 33.7           ~ 157 0
159 GRB 061110A gB 22 25 09.800 -02 15 30.70 21.43         ~ 126 0
160 GRB 060604 gB 22 28 55.010 -10 54 55.80 20.34 20.31       ~ 125 0
161 GRB 050820A gB 22 29 38.110 +19 33 37.10 18.33 19.00 18.47     ~ 386 0
162 SN 2008hw SN* 22 39 50.39 -40 08 49.1           SNIc 174 1
163 Fermi bn090927422 gB 22 55 53.41 -70 58 49.3           ~ 95 0
164 GRB 131030A gB 23 00 16.14 -05 22 05.2           ~ 106 0
165 GRB 051109B gB 23 01 50.330 +38 40 46.51           ~ 85 0
166 GRB 081029 gB 23 07 06 -68 10.7           ~ 107 0
167 Fermi bn100816026 gB 23 26 57.56 +26 34 42.6           ~ 149 0
168 GRB 090812 gB 23 32 48.5 -10 36 17           ~ 143 0
169 Fermi bn080810549 gB 23 47 08.00 +00 18 35.1           ~ 213 0
170 GRB 060707 gB 23 48 19.000 -17 54 17.00     19.79     ~ 158 0
171 GRB 061222A gB 23 53 03.419 +46 31 58.60           ~ 158 0
172 SN 2013fu SN* 23 54 29.91 +29 25 47.6           SNIb/c 121 1

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