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Table 1
Secondary standards (all in AB magnitudes) used for the GROND data.
| Filter | Star I | Star II | Star III | Star IV | Star V | Star VI | Star VII |
| 02:44:44.69 | 02:44:35.90 | 02:44:36.52 | 02:44:34.38 | 02:44:35.89 | 02:44:49.04 | 02:44:42.80 | |
| −26:07:57.0 | −26:09:07.3 | −26:08:09.3 | −26:07:27.2 | −26:07:26.9 | −26:09:28.8 | −26:07:15.4 | |
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| g ′ | 17.48 ± 0.04 | 17.65 ± 0.04 | 21.95 ± 0.07 | 18.38 ± 0.04 | 21.05 ± 0.06 | 20.82 ± 0.05 | 22.76 ± 0.08 |
| r ′ | 17.06 ± 0.04 | 17.24 ± 0.04 | 20.33 ± 0.05 | 16.92 ± 0.04 | 19.45 ± 0.05 | 19.29 ± 0.04 | 21.30 ± 0.07 |
| i ′ | 16.90 ± 0.04 | 17.11 ± 0.04 | 18.71 ± 0.04 | 16.02 ± 0.04 | 17.87 ± 0.05 | 18.20 ± 0.05 | 19.84 ± 0.06 |
| z ′ | 16.85 ± 0.04 | 17.04 ± 0.04 | 18.03 ± 0.04 | 15.60 ± 0.04 | 17.12 ± 0.04 | 17.72 ± 0.05 | 19.19 ± 0.06 |
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| Filter | Star 1 (=I) | Star 2 | Star 3 | Star 4 (=IV) | Star 5 (=V) | Star 6 | Star 7 |
| 02:44:44.69 | 02:44:40.97 | 02:44:51.60 | 02:44:34.38 | 02:44:35.89 | 02:44:42.60 | 02:44:51.73 | |
| −26:07:57.0 | −26:11:31.8 | −26:08:53.9 | −26:07:27.2 | −26:07:26.9 | −26:10:08.4 | −26:08:24.0 | |
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| J | 17.03 ± 0.05 | 16.34 ± 0.05 | 18.71 ± 0.07 | 15.44 ± 0.05 | 16.71 ± 0.05 | 18.89 ± 0.07 | 18.22 ± 0.06 |
| H | 17.13 ± 0.06 | 16.13 ± 0.05 | 18.51 ± 0.08 | 15.26 ± 0.05 | 16.50 ± 0.05 | 18.56 ± 0.08 | 18.02 ± 0.07 |
| K s | 17.50 ± 0.08 | 16.36 ± 0.07 | 18.31 ± 0.09 | 15.49 ± 0.07 | 16.70 ± 0.08 | 18.49 ± 0.10 | 17.90 ± 0.08 |
Notes. For the NIR, different standards had to be used due to the brightness of the GRB afterglow.
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