Table 3
Parameters of the AG component and goodness of the light-curve modelling.
| GRB | α 1 | tbreak [days] | η | α 2 | χ 2 / μ |
|
|
|||||
| 081007 | −0.66 ± 0.01 | 0.91 ± 0.05 | 15 fixed | −1.40 ± 0.05 | 1.5 |
| 091127 | −0.38 ± 0.01 a | 0.34 ± 0.01 a | 1.3 ± 0.1 a | −1.63 ± 0.02 | 1.4 |
| 101219B | −1.01 ± 0.01 | ··· | ··· | ··· | 1.8 |
Notes. The primary power-law slope is α1. In case of a break in the light curve, a secondary slope α2 along with the break time tbreak and break smoothness parameter η are introduced. The ratio χ2/μ is computed in the multiple-component fitting procedure, which includes AG plus SN modelling. See Table 4 for the SN parameters.
Parameters were taken from the fitting of the full GROND r′-band light curve by Filgas et al. (2011) except α2, which was fitted by a single power law using the data only presented in Fig. 2.
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