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Table C.10.

GRB 130831A: GROND AB magnitudes and upper limits of the optical transient.

t − t0 g r i z J H Ks
0.618 20.30 ± 0.12 20.09 ± 0.13 19.85 ± 0.14 19.58 ± 0.16 > 19.46 > 18.59 > 18.16
0.639 20.55 ± 0.08 20.17 ± 0.10 19.92 ± 0.10 19.65 ± 0.09 > 20.00 > 19.22
0.665 20.52 ± 0.07 20.19 ± 0.08 19.93 ± 0.12 19.74 ± 0.08 19.40 ± 0.13 18.96 ± 0.19
0.689 20.60 ± 0.03 20.35 ± 0.04 20.10 ± 0.04 19.89 ± 0.05 19.50 ± 0.08 19.25 ± 0.12 18.55 ± 0.12
0.714 20.73 ± 0.02 20.35 ± 0.03 20.16 ± 0.03 19.97 ± 0.04 19.48 ± 0.06 19.15 ± 0.09 19.11 ± 0.14
0.736 20.43 ± 0.06 20.16 ± 0.08 19.96 ± 0.10 19.68 ± 0.20 > 19.49 > 18.54
0.762 > 19.78
1.645 21.98 ± 0.07 21.80 ± 0.08 21.76 ± 0.12 21.56 ± 0.14 > 21.32 > 20.50
1.689 22.01 ± 0.05 21.85 ± 0.05 21.81 ± 0.10 21.66 ± 0.12 > 21.63 > 20.98
1.736 22.05 ± 0.05 21.80 ± 0.05 21.85 ± 0.08 21.82 ± 0.13 > 21.61 > 20.92
2.624 22.59 ± 0.05 22.38 ± 0.06 22.25 ± 0.11 22.42 ± 0.15 > 21.80 > 20.73 > 20.23
3.724 23.00 ± 0.14 22.59 ± 0.11 22.91 ± 0.33 22.46 ± 0.22 > 21.25 > 20.28
7.712 23.36 ± 0.11 22.95 ± 0.09 22.62 ± 0.12 22.88 ± 0.20 > 22.04 > 21.07 > 19.94
11.663 23.56 ± 0.16 23.05 ± 0.13 22.72 ± 0.18 22.80 ± 0.15 > 22.20 > 21.07 > 20.52
24.606 24.56 ± 0.29 23.22 ± 0.13 22.75 ± 0.15 22.98 ± 0.19 > 22.07 > 20.86
29.598 > 24.60 23.58 ± 0.21 23.18 ± 0.19 23.09 ± 0.19 > 21.99 > 21.11 > 20.49
33.622 24.81 ± 0.22 23.67 ± 0.16 23.48 ± 0.17 23.12 ± 0.12 > 22.71 > 22.00 > 21.09
386.643 24.86 ± 0.27 24.21 ± 0.17 > 24.25 23.76 ± 0.30

Notes. t − t0 is the time in units of days after the burst (t0 = 31 August 2013, 13:04:16 UT; Hagen et al. 2013). The data are not corrected for Galactic extinction.

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