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Table 1

GMG and NOT observations of GRB 100219A in 2010.

Telescope Date Start time Time since trigger Exp. time Magnitude Filter Seeing
UT (s) (s) (″)

GMG 19 Feb. 15:31:22 936 180   19.13 ± 0.05 R 1.8
GMG 19 Feb. 15:34:55 1149 300   19.32 ± 0.05 R 1.8
GMG 19 Feb. 15:43:45 1679 300   19.87 ± 0.08 R 1.8
GMG 19 Feb. 15:48:48 1882 300   19.89 ± 0.09 R 1.8
GMG 19 Feb. 15:53:50 2284 300   20.06 ± 0.09 R 1.8
GMG 19 Feb. 15:58:53 2587 600   20.49 ± 0.13 R 1.8
GMG 19 Feb. 16:08:54 3188 600   20.66 ± 0.22 R 1.8
GMG 19 Feb. 16:18:59 3793 1200   21.23 ± 0.16 R 1.8
GMG 19 Feb. 16:38:58 4992 1200   21.49 ± 0.18 R 1.8
GMG 19 Feb. 17:12:29 7003 2400   22.30 ± 0.29 R 1.8
GMG 19 Feb. 17:52:24 9398 2400   21.93 ± 0.19 R 1.8
GMG 19 Feb. 18:44:43 12537 2400   22.02 ± 0.29 R 1.8
GMG 19 Feb. 19:24:42 14936 2400   21.83 ± 0.18 R 1.8
GMG 19 Feb. 20:04:40 17334 2400   21.66 ± 0.21 R 1.8

GMG 21 Feb. 15:14:30 172784 2400    >23.18 (3σ) R 1.1

NOT 20 Feb. 00:11:58 32172 600   22.64 ± 0.21 R 1.4
NOT 20 Feb. 00:24:27 32921 600   22.67 ± 0.21 R 1.4
NOT 20 Feb. 00:58:44 34978 600   22.75 ± 0.23 R 1.3

NOT 20 Feb. 00:46:25 34239 300   21.31 ± 0.41 I 1.4

Notes. Data are not corrected for Galactic extinction.

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