2017ApJ...846..142K

Query : 2017ApJ...846..142K

2017ApJ...846..142K - Astrophys. J., 846, 142-142 (2017/September-2)

Bimodal Long-lasting components in short gamma-ray bursts: promising electromagnetic counterparts to neutron star binary mergers.

KISAKA S., IOKA K. and SAKAMOTO T.

Abstract (from CDS):

Long-lasting emission of short gamma-ray bursts (GRBs) is crucial to reveal the physical origin of the central engine as well as to detect electromagnetic (EM) counterparts to gravitational waves (GWs) from neutron star binary mergers. We investigate 65 X-ray light curves of short GRBs, which is six times more than previous studies, by combining both Swift/BAT and XRT data. The light curves are found to consist of two distinct components at >5σ with bimodal distributions of luminosity and duration, i.e., extended (with a timescale of <=103 s) and plateau emission (with a timescale of >=103 s), which are likely the central engine activities, but not afterglows. The extended emission has an isotropic energy comparable to the prompt emission, while the plateau emission has ∼0.01-1 times this energy. Half (50%) of our sample has both components, while the other half is consistent with having both components. This leads us to conjecture that almost all short GRBs have both the extended and plateau emission. The long-lasting emission can be explained by the jets from black holes with fallback ejecta, and could power macronovae (or kilonovae) like GRB 130603B and GRB 160821B. Based on the observed properties, we quantify the detectability of EM counterparts to GWs, including the plateau emission scattered to the off-axis angle, with CALET/HXM, INTEGRAL/SPI-ACS, Fermi/GBM, MAXI/GSC, Swift/BAT, XRT, the future ISS-Lobster/WFI, Einstein Probe/WXT, and eROSITA.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): gamma-ray burst: general - stars: black holes - X-rays: bursts - X-rays: bursts

Simbad objects: 71

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Number of rows : 71
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 GRB 140930B gB 00 25 23.40 +24 17 41.7           ~ 52 0
2 Fermi bn150120123 G 00 41 16.5630 +33 59 42.598           ~ 70 0
3 Fermi bn100117879 G 00 45 04.6610 -01 35 42.020           ~ 155 0
4 Fermi bn111117510 gB 00 50 46.220 +23 00 39.22           ~ 141 0
5 GRB 100625A gB 01 03 10.98 -39 05 18.3           ~ 124 0
6 GRB 151127A gB 01 17 54.58 -82 46 15.0           ~ 18 0
7 GRB 080426 gB 01 45 59.79 +69 28 06.0           ~ 50 0
8 PSO J027.8085-18.5940 G 01 51 14.05011120 -18 35 38.4976680           ~ 192 0
9 Fermi bn081024245 gB 01 51 33.80 +61 21 08.2           ~ 75 0
10 GRB 070714A gB 02 51 43.36 +30 14 35.1           ~ 63 0
11 GRB 120305A gB 03 10 08.73 +28 29 30.9           ~ 56 0
12 Fermi bn130912358 gB 03 10 25.60 +13 59 55.7           ~ 57 0
13 GRB 070714B G 03 51 22.2720 +28 17 50.943           ~ 248 0
14 GRB 071227A G 03 52 31.0260 -55 59 00.890           ~ 201 0
15 GRB 060313 G 04 26 28.4020 -10 50 39.901 20.55 21.03 19.66     ~ 156 0
16 GRB 101219A gB 04 58 20.45 -02 32 23.1           ~ 152 0
17 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
18 GRB 061006 G 07 24 07.8080 -79 11 55.188           ~ 214 0
19 GRB 091109B gB 07 30 59.90 -54 05 30.6           ~ 57 0
20 PSR J0737-3039B Psr 07 37 51.24927 -30 39 40.7195           ~ 222 1
21 Fermi bn081226044 G 08 02 00.4500 -69 01 49.500           ~ 63 0
22 Fermi bn160408268 gB 08 10 29.93 +71 07 41.7           ~ 45 0
23 GRB 051227 gB 08 20 58.107 +31 55 32.01           ~ 127 0
24 SDSS J093805.33+153719.0 G 09 38 05.33384 +15 37 19.0406           ~ 146 0
25 GRB 120521A gB 09 54 53.91 -49 25 02.4           ~ 41 0
26 GRB 160525B G 09 57 32.2460 +51 12 24.600           ~ 30 0
27 GRB 150424A gB 10 09 13.35 -26 37 51.2           ~ 94 0
28 UCAC4 217-047923 * 10 19 02.5992684123 -46 40 11.294771086   13.795 12.458 12.114   ~ 54 0
29 GRB 090515 gB 10 56 41.0 +14 27 22           ~ 122 0
30 GRB 121226A G 11 14 34.1210 -30 24 22.840           ~ 44 0
31 SDSS J112848.22+170418.5 G 11 28 48.22989 +17 04 18.5014           ~ 393 0
32 SDSS J123612.87+285858.8 BiC 12 36 12.8803407000 +28 58 58.780075656           ~ 328 1
33 GRB 090426 G 12 36 18.0470 +32 59 09.460           ~ 237 0
34 GRB 100724A gB 12 58 10.38 -11 06 09.3           ~ 198 0
35 PSO J203.7673-22.1424 G 13 35 04.16044560 -22 08 32.8717680           ~ 178 0
36 GRB 060801 G 14 12 01.2620 +16 58 55.970           ~ 172 0
37 GRB 150831A gB 14 44 05.84 -25 38 06.3           ~ 38 0
38 GRB 150423A gB 14 46 18.96 +12 17 00.6           ~ 79 0
39 GRB 120804A G 15 35 47.5100 -28 46 56.110           ~ 99 0
40 GRB 160601A G 15 39 43.9490 +64 32 30.604           ~ 34 0
41 GRB 060428B gB 15 41 25.570 +62 01 28.93 20.64 20.62 19.50     ~ 71 0
42 GRB 140903A G 15 52 03.2650 +27 36 10.710           ~ 138 0
43 Fermi bn150301045 gB 16 17 13.13 -48 42 47.2           ~ 31 0
44 GRB 100702A gB 16 22 47.26 -56 31 53.8           ~ 53 0
45 UGCS J162444.39-273226.8 G 16 24 44.38275 -27 32 26.8381     19.70     ~ 469 1
46 GRB 140516A gB 16 51 57.40 +39 57 46.3           ~ 38 0
47 GRB 160927A gB 17 04 58.19 +17 19 55.3           ~ 34 0
48 GRB 161004A gB 17 32 36.57 -00 57 03.2           ~ 24 0
49 GRB 080919 gB 17 40 53.00 -42 22 29.5           ~ 49 0
50 Fermi bn160821937 gB 18 39 54.550 +62 23 30.35           ~ 190 0
51 GRB 080503 gB 19 06 28.74 +68 47 35.8           ~ 172 0
52 GRB 111020A gB 19 08 12.53 -38 00 43.0           ~ 66 0
53 Fermi bn080905499 G 19 10 42.0450 -18 52 54.510           ~ 200 0
54 Fermi bn131004904 gB 19 44 27.20 -02 57 31.0           ~ 113 0
55 GRB 080702A gB 20 52 12.21 +72 18 46.7           ~ 47 0
56 Fermi bn090621922 gB 20 53 49.30 +69 02 02.9           ~ 65 0
57 GRB 060614 G 21 23 32.140 -53 01 36.10           ~ 714 0
58 GRB 140129B G 21 47 01.6490 +26 12 23.270           ~ 30 0
59 GRB 051221 G 21 54 48.626 +16 53 27.16 19.49         ~ 377 0
60 Fermi bn151229285 gB 21 57 28.78 -20 43 55.2           ~ 38 0
61 GRB 110112A gB 21 59 43.77 +26 27 24.4           ~ 47 0
62 GRB 051210 gB 22 00 40.930 -57 36 47.10           ~ 138 0
63 Fermi bn160624477 gB 22 00 46.21 +29 38 37.8           ~ 69 0
64 GRB 061201 gB 22 08 32.060 -74 34 47.90           ~ 205 0
65 Fermi bn090510016 G 22 14 12.6230 -26 34 58.550           ~ 548 0
66 GRB 080123 gB 22 35 46.100 -64 54 03.24           ~ 98 0
67 Fermi bn160411062 G 23 17 25.3550 -40 14 30.560           ~ 34 0
68 GrW 151226 GWE ~ ~           ~ 275 1
69 GrW 170104 GWE ~ ~           ~ 186 1
70 GrW 151012 grv ~ ~           ~ 162 1
71 GrW 150914 GWE ~ ~           ~ 674 1

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