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Table A.2.

Average results of the time-resolved analysis for the seven long GRBs that display a low-energy break Ebreak in their time-integrated spectrum (see GRBs in bold in Table 1; GRB 171010 is not included, because all time-resolved spectra have Ebreak <  20 keV).

Name # of spectra α1 α2 Ebreak Epeak β
(keV) (keV)
160625 18/24 −0.51 (0.08) −1.62 (0.15) 110.66 (22.65) 805.98 (668.66) −2.79 (0.24)
160821 17/27 −0.74 (0.15) −1.51 (0.17) 133.49 (94.49) 1643.16 (745.55) −2.62 (0.17)
170409 10/14 −0.62 (0.0) −1.66 (0.25) 334.60 (141.47) 1304.06 (656.459) −3.47 (0.37)
180720 15/24 −0.54 (0.14) −1.41 (0.15) 55.67 (39.43) 1093.26 (481.31) −2.58 (0.20)
171227 10/11 −0.47 (0.10) −1.43 (0.13) 134.29 (36.39) 1212.26 (348.01) −2.90 (0.24)
090618 1/18 −0.83 (0.10) −1.77 (0.20) 118.56 (50.36) 550.05 (93.29) −3.57 (0.55)
101014 3/17 −0.32 (0.23) −1.32 (0.11) 36.31 (14.36) 862.77 (113.23) −2.62 (0.16)

Mean values: −0.58 (0.16) −1.52 (0.20) 135.31 (112.15) 1177.59 (679.28) −2.81 (0.37)

Notes. For each GRB, the table lists the mean value and standard deviation σ of the best fit parameter distribution inferred from the time-resolved analysis for spectra with best fit model given by a 2SBPL and with Ebreak >  20 keV. The second column gives the number of spectra satisfying these conditions over the total number of spectra analysed.

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