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Table 2

Results of fits to the SEDs.

SMC
PL BPL
GRB (d.o.f.) NHP% (d.o.f.) NHP% F-test prob.

050401 1.09 (1011) 2.0 1.08 (1009) 2.6 0.02
050730 1.23 (659) 0.003 0.98 (657) 60  <0.01
050824 1.13 (958) 0.2 0.97 (956) 71  <0.01
060115 1.15 (1014) 0.06 1.15 (1012) 0.05 1.00
060512 1.02 (1452) 33 0.93 (1450) 96  <0.01
060614 1.01 (1254) 37 0.82 (1252) 100  <0.01
060707 0.98 (1088) 65 0.98 (1086) 64 1.00
060708 0.86 (867) 100 0.85 (865) 100  <0.01
060714 1.02 (1043) 35 0.97 (1041) 72  <0.01
060729 0.99 (1140) 54 0.99 (1138) 53 1.00
060904B 0.80 (1198) 100 0.80 (1196) 100 1.00
060906 1.01 (786) 42 0.94 (784) 87  <0.01
060926 0.95 (907) 86 0.95 (905) 85 1.00
060927 1.03 (274) 35 1.03 (272) 32 1.00
061007 0.97 (1341) 78 0.97 (1339) 77 1.00
061021 1.26 (1703) 0.0 0.98 (1701) 70  <0.01
061110A 0.98 (1093) 63 0.98 (1091) 61 1.00
061110B 0.95 (896) 85 0.94 (894) 88 0.02
070110 1.09 (1087) 0.17 1.04 (1085) 18  <0.01
070125 1.03 (790) 25 0.97 (788) 72  <0.01
070129 0.93 (1017) 94 0.91 (1015) 98  <0.01
070506 0.99 (775) 57 0.98 (773) 65  <0.01
070611 0.77 (1248) 100 0.77 (1246) 100 0.77
070721B 1.00 (830) 47 1.00 (828) 46 0.76
071020 1.09 (1020) 2.1 1.06 (1018) 10  <0.01
071031 2.13 (614) 0 1.05 (612) 17  <0.01
071112C 1.67 (1287) 0 1.00 (1285) 48  <0.01
071117 0.99 (1171) 56 0.98 (1169) 71  <0.01
080210 1.10 (964) 1.7 1.00 (962) 45  <0.01
080319B 0.83 (1468) 100 0.83 (1466) 100 1.00
080520 1.00 (1028) 54 1.00 (1026) 51 1.00
080707 1.07 (743) 9.3 1.03 (741) 30  <0.01
080721 0.96 (731) 76 0.96 (729) 74 1.00
080905B 0.98 (1029) 68 0.98 (1027) 66 1.00
080913 0.58 (81) 100 0.58 (79) 100 1.00
080916A 0.93 (1170) 96 0.91 (1168) 99  <0.01
080928 0.99 (1157) 57 0.99 (1155) 55 1.00
FM
PL BPL

070318 1.15 (1392) 0.001 0.88 (1390) 100  <0.01
070802 0.54 (1381) 100 0.54 (1379) 100 1.00
080605 0.86 (859) 100 0.86 (857) 100 1.00
080805 0.93 (1391) 98 0.93 (1389) 97 1.00
080607a 1.79 (39) 0.19 1.79 (37) 0.17 1.00

Notes. Columns give the burst name, and then for each model the , the number of degrees of freedom (d.o.f.) and the null hypothesis probability (NHP) for the fit are provided. The F-test probability is computed for each SED comparing the single (PL) and broken power-law (BPL) models. The best fit models are denoted †.

(a)

Keck spectrum.

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