2015ApJ...805...86S

Query : 2015ApJ...805...86S

2015ApJ...805...86S - Astrophys. J., 805, 86 (2015/June-1)

Gamma-ray bursts: temporal scales and the bulk Lorentz factor.

SONBAS E., MacLACHLAN G.A., DHUGA K.S., VERES P., SHENOY A. and UKWATTA T.N.

Abstract (from CDS):

For a sample of Swift and Fermi gamma-ray bursts, we show that the minimum variability timescale and the spectral lag of the prompt emission is related to the bulk Lorentz factor in a complex manner. For small Γ's, the variability timescale exhibits a shallow (plateau) region. For large Γ's, the variability timescale declines steeply as a function of Γ (δiΤ ∝ Γ^-4.05 ±0.64^). Evidence is also presented for an intriguing correlation between the peak times, tp, of the afterglow emission and the prompt emission variability timescale.

Abstract Copyright: ∼

Journal keyword(s): gamma-ray burst: general - methods: data analysis

Simbad objects: 44

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Number of rows : 44
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 070110 gB 00 03 39.270 -52 58 27.00 21.8 21.9 21.2     ~ 220 0
2 GRB 071031 gB 00 25 37.40 -58 03 33.9           ~ 184 0
3 GRB 080710 gB 00 33 05.68 +19 30 05.8           ~ 136 0
4 GRB 100906A gB 01 54 44.19 +55 37 49.8           ~ 233 0
5 Fermi bn110213220 gB 02 51 51.37 +49 16 21.2           ~ 175 0
6 Fermi bn100728439 gB 02 56 13.44 +00 16 51.6           ~ 142 0
7 GRB 061007 gB 03 05 19.510 -50 30 02.50 14.28 14.40 12.95     ~ 315 1
8 GRB 070318 gB 03 13 56.830 -42 56 46.30 18.27 16.23 15.49     ~ 170 0
9 GRB 060210 gB 03 50 57.370 +27 01 34.40   20.27       ~ 275 0
10 GRB 060904B gB 03 52 50.520 -00 43 30.61 18.27 19.14 18.37     ~ 208 0
11 GRB 091029 gB 04 00 40.00 -55 57 12.7           ~ 168 0
12 GRB 090328 gB 06 02 39.69 -41 52 55.1           ~ 194 1
13 GRB 070411 gB 07 09 19.930 +01 03 52.60     17.94     ~ 138 0
14 GRB 080916C gB 07 59 23.24 -56 38 16.8           ~ 386 0
15 GRB 090102 gB 08 32 59.50 +33 06 25.7           ~ 253 0
16 GRB 061121 gB 09 48 54.570 -13 11 42.68 17.19 17.71 17.02     ~ 350 0
17 GRB 071010B gB 10 02 09.20 +45 43 52.2           ~ 173 0
18 GRB 110205A gB 10 58 31.12 +67 31 31.2           ~ 213 0
19 GRB 080330 gB 11 17 06.70 +30 36 24.1           ~ 145 0
20 SN 2013cq SN* 11 32 32.84 +27 41 56.2           SNIc 613 1
21 GRB 070419A gB 12 10 58.830 +39 55 34.06 18.52         ~ 130 0
22 GRB 090424 gB 12 38 07.40 +16 49 45.9           ~ 269 0
23 Fermi bn090323002 gB 12 42 50.28 +17 03 11.9           ~ 244 1
24 Fermi bn100414097 gB 12 48 30.0 +08 41 35           ~ 136 0
25 GRB 050730 gB 14 08 17.090 -03 46 18.90   20.32 17.68     ~ 327 0
26 GRB 080319B gB 14 31 41.04 +36 18 09.2           ~ 508 0
27 GRB 081203A gB 15 32 07.6 +63 31 15           ~ 177 0
28 GRB 060418 gB 15 45 42.600 -03 38 20.00 15.73 16.19 14.98     ~ 389 0
29 GRB 091003A gB 16 46 04.680 +36 37 31.08           ~ 135 0
30 GRB 080319C gB 17 15 55.48 +55 23 31.7           ~ 174 0
31 Fermi bn090902462 gB 17 39 45.26 +27 19 28.1           ~ 440 0
32 GRB 071010A gB 19 12 14.42 -32 24 06.2           ~ 138 0
33 GRB 090618 gB 19 36 01.80 +78 21 07.1           ~ 358 0
34 GRB 100621A gB 21 01 13.12 -51 06 22.5           ~ 204 0
35 GRB 050922C gB 21 09 33.000 -08 45 30.10 15.15 15.86 14.69     ~ 301 0
36 GRB 060605 gB 21 28 37.320 -06 03 31.30   20.12 16.53     ~ 210 0
37 Fermi bn080804972 gB 21 54 41.90 -53 11 20.2           ~ 158 0
38 GRB 060607 gB 21 58 50.400 -22 29 46.70 18.49 16.67 15.09     ~ 318 0
39 Fermi bn090510016 G 22 14 12.6230 -26 34 58.550           ~ 548 0
40 GRB 050820A gB 22 29 38.110 +19 33 37.10 18.33 19.00 18.47     ~ 409 0
41 Fermi bn091024380 gB 22 37 +56.9           ~ 151 0
42 GRB 090812 gB 23 32 48.5 -10 36 17           ~ 165 0
43 Fermi bn090926181 gB 23 33 36.18 -66 19 25.9           ~ 339 0
44 Fermi bn080810549 gB 23 47 08.00 +00 18 35.1           ~ 240 0

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