2020ApJ...898...14M

Query : 2020ApJ...898...14M

2020ApJ...898...14M - Astrophys. J., 898, 14-14 (2020/July-3)

Spectral diversities of gamma-ray bursts in high-energy bands: hints from turbulent cascade.

MAO J., LI L. and WANG J.

Abstract (from CDS):

We statistically examine the gamma-ray burst (GRB) photon indices obtained by the Fermi-GBM and Fermi-LAT observations and compare the LAT GRB photon indices to the GBM GRB photon indices. We apply the jitter radiation to explain the GRB spectral diversities in the high-energy bands. In our model, the jitter radiative spectral index is determined by the spectral index of the turbulence. We classify GRBs into three classes depending on the shape of the GRB high-energy spectrum when we compare the GBM and LAT detections: the GRB spectrum is concave (GRBs turn out to be softer and are labeled as S-GRBs), the GRB spectrum is convex (GRBs turn out to be harder and are labeled as H-GRBs), and the GRBs have no strong spectral changes (labeled as N-GRBs). A universal Kolmogorov index 7/3 in the turbulent cascade is consistent with the photon index of the N-GRBs. The S-GRB spectra can be explained by the turbulent cascade due to the kinetic magnetic reconnection with the spectral index range of the turbulence from 8/3 to 3.0. The H-GRB spectra originate from the inverse turbulent cascade with the spectral index range of the turbulence from 2.0 to 3.5 that occurred during the large lengthscale magnetic reconnection. Thus, the GRB radiative spectra are diversified because the turbulent cascade modifies the turbulent energy spectrum. More observational samples are expected in the future to further identify our suggestions.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Gamma-ray bursts - Magnetic fields - Magnetohydrodynamics

VizieR on-line data: <Available at CDS (J/ApJ/898/14): table1.dat>

Simbad objects: 138

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Number of rows : 138
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 bn160503567 gB 00 02 -01.9           ~ 7 0
2 GRB 180720B gB 00 02 06.99 -02 55 07.8           ~ 215 0
3 Fermi bn180210517 gB 00 07 22.03 +18 33 09.6           ~ 15 0
4 Fermi bn090227310 gB 00 13.2 -43 00           ~ 26 0
5 Fermi bn110428388 gB 00 22 22.89 +64 50 56.8           ~ 26 0
6 Fermi bn180703876 gB 00 25 52.72 -67 10 47.9           ~ 35 0
7 Fermi bn131231198 gB 00 42 44.0 -01 29 40           ~ 103 0
8 Fermi bn160325291 gB 01 02 36.28 -72 41 48.5           ~ 52 0
9 GRB 150510A gB 01 05 +04.8           ~ 23 0
10 Fermi bn110921912 gB 01 12 -27.8           ~ 17 0
11 GRB 101014A gB 01 47.8 -51 04           ~ 31 0
12 Fermi bn140110263 gB 01 54 20.35 -36 29 44.1           ~ 17 0
13 GRB 121123B gB 01 54.5 -24 04           ~ 3 0
14 SN 2009nz SN* 02 26 19.87 -18 57 08.6           ~ 307 1
15 Fermi bn140928437 gB 02 54 47.72 -55 55 43.5           ~ 21 0
16 GRB 180718B gB 02 58.7 -31 30           ~ 9 0
17 GRB 180305A gB 03 18 48.0 +32 06 00           ~ 22 0
18 Fermi bn150702998 gB 03 31 -57.0           ~ 15 0
19 Fermi bn120316008 gB 03 48 -56.3           ~ 17 0
20 Fermi bn110120666 gB 04 06 -12.0           ~ 25 0
21 Fermi bn120526303 gB 04 25 -32.2           ~ 15 0
22 GRB 171010A gB 04 26 19.41 -10 27 47.9           SNIc-BL 109 0
23 GRB 130502B gB 04 27 02.90 +71 03 38.5           ~ 31 0
24 GRB 110518A gB 04 28 43 -34 11.7           ~ 5 0
25 Fermi bn091031500 gB 04 47 -57.5           ~ 33 0
26 Fermi bn150514774 gB 04 59 30.45 -60 58 07.0           ~ 51 0
27 Fermi bn100620119 gB 05 20.4 -51 41           ~ 13 0
28 Fermi bn120830297 gB 05 54 36.0 -28 59 04           ~ 22 0
29 Fermi bn100728095 gB 05 55 02.00 -15 15 20.2           ~ 157 0
30 GRB 090328 gB 06 02 39.69 -41 52 55.1           ~ 194 1
31 Fermi bn130504978 gB 06 06 31.29 +03 50 02.0           ~ 27 0
32 Fermi bn120711115 gB 06 18 42.839 -70 59 56.78           ~ 125 0
33 Fermi bn180703949 gB 06 28 -29.9           ~ 18 0
34 GRB 141221B gB 06 36.5 -66 54           ~ 2 0
35 Fermi bn131014215 gB 06 41 12.80 -19 05 49.6           ~ 50 0
36 GRB 090228 gB 07 07.2 -24 18           ~ 45 0
37 GRB 180526A gB 07 14 18 +03 40.6           ~ 8 0
38 GRB 100511A gB 07 17.2 -04 39           ~ 28 0
39 Fermi bn120420858 gB 07 17 +10.8           ~ 9 0
40 GRB 150210A gB 07 28.6 +13 16           ~ 21 0
41 GRB 150523A gB 07 41 08.67 -45 25 13.6           ~ 24 0
42 GRB 150627A gB 07 49 52.95 -51 29 22.5           ~ 24 0
43 Fermi bn110328520 gB 07 51 +43.1           ~ 17 0
44 Fermi bn140810782 gB 07 56 +27.5           ~ 19 0
45 GRB 100423B gB 07 58.7 +05 47           ~ 18 0
46 GRB 080916C gB 07 59 23.24 -56 38 16.8           ~ 386 0
47 GRB 111210B gB 08 10.0 +44 05           ~ 2 0
48 Fermi bn130325203 gB 08 11 -18.9           ~ 13 0
49 Fermi bn150314205 gB 08 26 40.82 +63 50 03.4           ~ 117 0
50 GRB 140619B gB 08 51 -09.7           ~ 33 0
51 GRB 140523A gB 08 52 26.70 +24 57 25.6           ~ 24 0
52 Fermi bn131209547 gB 09 06 -33.2           ~ 14 0
53 GRB 170522A gB 09 17 21.6 +25 40 12           ~ 19 0
54 Fermi bn081006604 gB 09 28.0 -67 24           ~ 25 0
55 Fermi bn130310840 gB 09 29 -17.2           ~ 31 0
56 Fermi bn170808936 gB 09 43 +02.2           ~ 15 0
57 Fermi bn160521385 gB 09 50 39.92 +79 01 50.5           ~ 15 0
58 Fermi bn170306588 gB 10 18 +51.6           ~ 10 0
59 GRB 131108A gB 10 26 00.480 +09 39 44.05           ~ 96 0
60 Fermi bn161109263 gB 10 31.4 +61 48           ~ 10 0
61 GRB 141207A gB 10 40 +03.9           ~ 28 0
62 Fermi bn170510217 gB 10 40 36.94 -39 12 45.0           ~ 21 0
63 Fermi bn160905471 gB 10 48 59.06 -50 48 03.9           ~ 34 0
64 Fermi bn171120556 gB 10 55 09.80 +22 27 29.6           ~ 34 0
65 Fermi bn110728056 gB 11 06 +20.1           ~ 12 0
66 Fermi bn101107011 gB 11 13 +22.4           ~ 11 0
67 Fermi bn090626189 gB 11 20 -33.5           ~ 54 0
68 Fermi bn120624933 gB 11 23 31.98 +08 55 42.1           ~ 100 0
69 GRB 160821A gB 11 25 01 +42 20.7           ~ 71 0
70 GRB 120911B gB 11 28 35 -37 41.8           ~ 11 0
71 SN 2013cq SN* 11 32 32.84 +27 41 56.2           SNIc 613 1
72 GRB 141222A gB 11 52 -57.4           ~ 16 0
73 GRB 141113A gB 12 09.3 +77 23           ~ 3 0
74 Fermi bn171102107 gB 12 31 +54.0           ~ 13 0
75 GRB 170115B gB 12 36 -46.9           ~ 25 0
76 Fermi bn090323002 gB 12 42 50.28 +17 03 11.9           ~ 244 1
77 Fermi bn100414097 gB 12 48 30.0 +08 41 35           ~ 136 0
78 GRB 140729A gB 12 56 +15.4           ~ 13 0
79 GRB 100724A gB 12 58 10.38 -11 06 09.3           ~ 198 0
80 GRB 110903A gB 13 08 15.82 +58 58 53.8           ~ 30 0
81 Fermi bn131029973 gB 13 23 +48.3           ~ 13 0
82 GRB 160829A gB 13 26.8 -56 46           ~ 9 0
83 GRB 090720B gB 13 31 59 -54 48.0           ~ 28 0
84 Fermi bn170906030 gB 13 35 49.24 -47 06 03.4           ~ 33 0
85 Fermi bn090217206 gB 13 40 -08.4           ~ 56 0
86 Fermi bn140402007 gB 13 50 23.67 +05 46 28.0           ~ 41 0
87 Fermi bn141102536 gB 13 54 27.4 -47 06 00           ~ 20 0
88 Fermi bn140723067 gB 14 02.5 -03 44           ~ 14 0
89 Fermi bn140102887 gB 14 07 40.65 +01 19 59.8           ~ 53 0
90 Fermi bn150902733 gB 14 19 54.18 -69 21 09.9           ~ 30 0
91 GRB 130327B gB 14 31 30.57 -69 24 15.4           ~ 29 0
92 GRB 130606B gB 14 34 07.04 -22 06 08.2           ~ 47 0
93 Fermi bn140104731 gB 14 35 01.02 -09 01 41.5           ~ 14 0
94 Fermi bn170405777 gB 14 39 18.66 -25 14 36.9           ~ 75 0
95 GRB 081102B gB 15 01.2 +22 00           ~ 25 0
96 Fermi bn121029350 gB 15 07 -28.2           ~ 13 0
97 GRB 091120 gB 15 07.2 -21 47           ~ 34 0
98 GRB 080825C gB 15 28.8 -04 54           ~ 71 0
99 Fermi bn160709826 gB 15 43 59 -28 11.3           ~ 20 0
100 Fermi bn101227406 gB 16 02 -24.5           ~ 11 0
101 Fermi bn120107384 gB 16 26 -69.9           ~ 18 0
102 Fermi bn110123804 gB 16 28 +28.0           ~ 13 0
103 Fermi bn081009140 gB 16 42 +18.4           ~ 40 0
104 GRB 091003A gB 16 46 04.680 +36 37 31.08           ~ 135 0
105 GRB 170214A gB 17 05 21.94 -01 53 14.9           ~ 54 0
106 GRB 130828A gB 17 19 09.240 +28 13 14.05           ~ 16 0
107 Fermi bn090902462 gB 17 39 45.26 +27 19 28.1           ~ 440 0
108 Fermi bn161015710 gB 17 57 00.48 +30 22 25.4           ~ 13 0
109 Fermi bn110731465 gB 18 42 00.99 -28 32 13.8           ~ 193 0
110 Fermi bn140528837 gB 18 43 -59.1           ~ 9 0
111 GRB 100213C gB 18 49.8 +15 09           ~ 3 0
112 GRB 100826A gB 18 56 -23.2           ~ 79 0
113 GRB 110625A gB 19 06 55.85 +06 45 19.2           ~ 69 0
114 GRB 141012A gB 19 07.3 -49 53           ~ 5 0
115 GRB 120226A gB 20 12 +48.7           ~ 22 0
116 Fermi bn100116897 gB 20 20 +14.4           ~ 42 0
117 GRB 160625B gB 20 34 23.67 +06 55 11.1           ~ 235 0
118 Fermi bn100225115 gB 20 41.2 -59 24           ~ 23 0
119 GRB 150403A gB 20 46 01.17 -62 42 40.1           ~ 116 0
120 Fermi bn160509374 gB 20 47 00.90 +76 06 30.1           ~ 141 0
121 GRB 130821A gB 20 56 38.440 -12 02 36.53           ~ 25 0
122 GRB 160623A gB 21 01 11.54 +42 13 15.5           ~ 73 0
123 Fermi bn140206275 gB 21 01 -08.5           ~ 28 0
124 Fermi bn120709883 gB 21 14 -50.1           ~ 25 0
125 Fermi bn160816730 gB 21 29 38.70 +37 07 58.3           ~ 28 0
126 GRB 141028A gB 21 30 24.46 -00 13 55.6           ~ 109 0
127 Fermi bn081024891 gB 21 31 36.00 +21 12 14.4           ~ 91 0
128 Fermi bn100325275 gB 22 01.0 -26 28           ~ 24 0
129 GRB 110721A gB 22 10 -38.6           ~ 155 0
130 Fermi bn090510016 G 22 14 12.6230 -26 34 58.550           ~ 548 0
131 Fermi bn171210493 gB 22 21 09.6 +24 26 24           ~ 20 0
132 Fermi bn171124235 gB 22 21 54.21 +35 19 55.6           ~ 14 0
133 GRB 170127C gB 22 37 -63.9           ~ 39 0
134 Fermi bn170424425 gB 22 54 -45.2           ~ 13 0
135 Fermi bn170409112 gB 23 10 -07.1           ~ 18 0
136 Fermi bn090926181 gB 23 33 36.18 -66 19 25.9           ~ 339 0
137 GRB 130518A gB 23 42 39.79 +47 27 55.2           ~ 86 0
138 GRB 170329A gB 23 46 +09.8           ~ 6 0

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