2008MNRAS.388.1284R

Query : 2008MNRAS.388.1284R

2008MNRAS.388.1284R - Mon. Not. R. Astron. Soc., 388, 1284-1292 (2008/August-2)

Testing the Ep,i-Lp,iso-T0.45 correlation on a BeppoSAX and Swift sample of gamma-ray bursts.

ROSSI F., GUIDORZI C., AMATI L., FRONTERA F., ROMANO P., CAMPANA S., CHINCARINI G., MONTANARI E., MORETTI A. and TAGLIAFERRI G.

Abstract (from CDS):

Using a sample of 14 BeppoSAX and 74 Swift GRBs with measured redshift we tested the correlation between the intrinsic peak energy of the time-integrated spectrum, E_p,i_, the isotropic-equivalent peak luminosity, Lp,iso, and the duration of the most intense parts of the GRB computed as T0.45(`Firmani correlation'). For 41 out of 88 GRBs we could estimate all of the three required properties. Apart from 980425, which appears to be a definite outlier and notoriously peculiar in many respects, we used 40 GRBs to fit the correlation with the maximum likelihood method discussed by D'Agostini, suitable to account for the extrinsic scatter in addition to the intrinsic uncertainties affecting every single GRB. We confirm the correlation. However, unlike the results by Firmani et al., we found that the correlation does have a logarithmic scatter comparable with that of the E_p,i_-Eiso(`Amati') correlation. We also find that the slope of the product Lp,isoT0.45 is equal to ∼0.5, which is consistent with the hypothesis that the E_p,i_-Lp,iso-T0.45 correlation is equivalent to the E_p,i_-Eiso correlation (slope ∼0.5). We conclude that, based on presently available data, there is no clear evidence that the E_p,i_-Lp,iso-T0.45 correlation is different (both in terms of slope and dispersion) from the E_p,i_-Eisocorrelation.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): methods: data analysis - gamma-rays: bursts

Simbad objects: 96

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Number of rows : 96
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 070611 gB 00 07 58.000 -29 45 19.40           ~ 94 0
3 GRB 060912A gB 00 21 08.11 +20 58 18.9           ~ 116 1
4 GRB 071031 gB 00 25 37.40 -58 03 33.9           ~ 184 0
5 GRB 050824 gB 00 48 56.100 +22 36 32.00 19.66 21.03 20.46 23.70   ~ 184 0
6 GRB 050904 gB 00 54 50.794 +14 05 09.42           ~ 496 0
7 GRB 050908 gB 01 21 50.750 -12 57 17.20           ~ 179 0
8 GRB 000210 gB 01 59 15 -40 40.0           ~ 175 0
9 GRB 060908 gB 02 07 18.360 +00 20 31.20 16.99 18.34 16.85     ~ 217 0
10 GRB 070721B gB 02 12 32.98 -02 11 39.8           ~ 128 0
11 GRB 070802 gB 02 27 35.91 -55 31 39.1           ~ 168 0
12 GRB 080411 gB 02 31 54.82 -71 18 07.5           ~ 109 0
13 GRB 050603 gB 02 39 56.839 -25 10 54.92     18.48     ~ 174 0
14 GRB 060906 gB 02 43 00.900 +30 21 42.12     19.84     ~ 147 0
15 GRB 061007 gB 03 05 19.510 -50 30 02.50 14.28 14.40 12.95     ~ 315 1
16 GRB 070318 gB 03 13 56.830 -42 56 46.30 18.27 16.23 15.49     ~ 170 0
17 GRB 050318 gB 03 18 51.000 -46 23 43.61 18.10 18.68 17.58     ~ 189 0
18 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 1007 1
19 GRB 060115 gB 03 36 08.400 +17 20 43.00           ~ 179 0
20 GRB 060223A gB 03 40 49.560 -17 07 48.40     17.90     ~ 98 0
21 GRB 060210 gB 03 50 57.370 +27 01 34.40   20.27       ~ 275 0
22 GRB 060904B gB 03 52 50.520 -00 43 30.61 18.27 19.14 18.37     ~ 208 0
23 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 650 1
24 GRB 060124 gB 05 08 25.900 +69 44 26.98   18.91 17.35     ~ 280 0
25 GRB 991216 gB 05 09 31.2983 +11 17 07.262           ~ 430 0
26 GRB 990705 gB 05 09 54.5 -72 07 53           ~ 229 1
27 GRB 061126 gB 05 46 24.460 +64 12 38.49 18.62 18.79 19.20     ~ 182 1
28 GRB 050826 gB 05 51 01.590 -02 38 35.40           ~ 136 0
29 GRB 060729 gB 06 21 31.850 -62 22 12.69           ~ 303 0
30 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 883 1
31 GRB 061222B gB 07 01 24.600 -25 51 36.00     19.87     ~ 87 0
32 GRB 070411 gB 07 09 19.930 +01 03 52.60     17.94     ~ 138 0
33 GRB 071020 gB 07 58 39.65 +32 51 38.8           ~ 158 0
34 GRB 070612A gB 08 05 28.530 +37 16 09.57           ~ 82 0
35 GRB 051016B gB 08 48 27.810 +13 39 20.00 20.45         ~ 153 0
36 GRB 050505 gB 09 27 03.300 +30 16 23.70     20.74     ~ 206 0
37 GRB 061121 gB 09 48 54.570 -13 11 42.68 17.19 17.71 17.02     ~ 350 0
38 GRB 071010B gB 10 02 09.20 +45 43 52.2           ~ 173 0
39 GRB 050319 gB 10 16 47.900 +43 32 53.80   18.02 17.01     ~ 274 0
40 GRB 980613 gB 10 17 57.8 +71 27 26           ~ 204 1
41 GRB 011211 gB 11 15 16 -21 56.0           ~ 305 0
42 GRB 080330 gB 11 17 06.70 +30 36 24.1           ~ 145 0
43 GRB 990506 gB 11 54 41 -26 45.0           ~ 169 1
44 GRB 971214 gB 11 56 26.4 +65 12 01           ~ 445 1
45 GRB 070419A gB 12 10 58.830 +39 55 34.06 18.52         ~ 130 0
46 GRB 050416 gB 12 33 54.600 +21 03 26.69     19.12     ~ 300 1
47 GRB 070810A gB 12 39 51.18 +10 45 02.8           ~ 80 0
48 GRB 060512 gB 13 03 05.810 +41 11 27.21 19.12 19.63 17.20     ~ 142 0
49 GRB 070208 gB 13 11 32.607 +61 57 54.37 20.79 20.79 19.86     ~ 119 0
50 GRB 060206 gB 13 31 43.420 +35 03 03.60   19.99 17.09     ~ 330 0
51 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 499 1
52 GRB 050730 gB 14 08 17.090 -03 46 18.90   20.32 17.68     ~ 327 0
53 GRB 080319B gB 14 31 41.04 +36 18 09.2           ~ 508 0
54 GRB 080310 gB 14 40 13.89 -00 10 30.4           ~ 214 0
55 GRB 060814 gB 14 45 21.480 +20 35 11.80           ~ 241 0
56 GRB 010222 G 14 52 12.5 +43 01 06           ~ 364 1
57 GRB 060714 gB 15 11 26.450 -06 33 58.30   20.21 18.54     ~ 209 0
58 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 1012 1
59 GRB 060526 gB 15 31 18.360 +00 17 04.90   18.31 17.16     ~ 288 0
60 GRB 060418 gB 15 45 42.600 -03 38 20.00 15.73 16.19 14.98     ~ 389 0
61 GRB 060510B gB 15 56 29.200 +78 34 12.00           ~ 155 0
62 GRB 060502A gB 16 03 42.480 +66 36 02.49     18.65     ~ 143 0
63 GRB 050401 gB 16 31 28.84 +02 11 14.5           ~ 348 0
64 GRB 080210 gB 16 45 04.03 +13 49 36.3           ~ 121 0
65 GRB 080319C gB 17 15 55.48 +55 23 31.7           ~ 174 0
66 GRB 060926 gB 17 35 43.660 +13 02 18.60     19.36     ~ 135 0
67 GRB 050814 gB 17 36 45.390 +46 20 21.60           ~ 166 0
68 GRB 050223 gB 18 05 32.200 -62 28 20.40           ~ 109 0
69 GRB 071122 gB 18 26 25.26 +47 04 29.5           ~ 80 0
70 GRB 050126 gB 18 32 27.22 +42 22 14.2           ~ 129 0
71 SN 2005nc SN* 18 32 32.560 +26 20 22.34           SNIc: 400 1
72 GRB 070529 gB 18 54 58.230 +20 39 34.00 20.38   17.25     ~ 98 0
73 GRB 080413A gB 19 09 11.73 -27 40 39.6           ~ 163 0
74 GRB 071010A gB 19 12 14.42 -32 24 06.2           ~ 138 0
75 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1928 2
76 GRB 050315 gB 20 25 54.100 -42 36 02.19           ~ 225 0
77 GRB 050922C gB 21 09 33.000 -08 45 30.10 15.15 15.86 14.69     ~ 301 0
78 GRB 060614 G 21 23 32.140 -53 01 36.10           ~ 714 0
79 GRB 060605 gB 21 28 37.320 -06 03 31.30   20.12 16.53     ~ 210 0
80 GRB 060522 gB 21 31 44.850 +02 53 10.80           ~ 140 0
81 GRB 061110B gB 21 35 40.400 +06 52 34.10           ~ 91 0
82 GRB 080413B gB 21 44 34.62 -19 58 51.2           ~ 191 0
83 GRB 060927A gB 21 58 11.930 +05 21 50.32           ~ 215 0
84 GRB 060607 gB 21 58 50.400 -22 29 46.70 18.49 16.67 15.09     ~ 318 0
85 GRB 051109A gB 22 01 15.320 +40 49 23.70   20.09 20.14     ~ 190 0
86 GRB 071117 gB 22 20 10.40 -63 26 36.6           ~ 112 0
87 GRB 061110A gB 22 25 09.800 -02 15 30.70 21.43         ~ 134 0
88 GRB 060604 gB 22 28 55.010 -10 54 55.80 20.34 20.31       ~ 134 0
89 GRB 050820A gB 22 29 38.110 +19 33 37.10 18.33 19.00 18.47     ~ 409 0
90 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 268 1
91 GRB 010921 gB 22 55 59.90 +40 55 52.9           ~ 173 1
92 GRB 070506 gB 23 08 52.390 +10 43 20.30     19.04     ~ 86 0
93 GRB 051111A gB 23 12 33.170 +18 22 28.80 19.77 20.08 19.50     ~ 223 0
94 GRB 050803 gB 23 22 37.910 +05 47 09.00           ~ 127 0
95 GRB 060707 gB 23 48 19.000 -17 54 17.00     19.79     ~ 170 0
96 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 453 1

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