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Table 1

Log of the transit observations of GJ 1214 for this work.

Date Telescope Start End Number of Exposure Filter Airmass Scatter Aperture PSF area
instrument (UTC) (UTC) exposures time (s) mmag sizesa (px) (px2)

2010/07/06 DFOSC 05:01 06:44 33 150 I 1.40–2.18 0.97 21, 57, 77 1385
2010/07/14 DFOSC 00:56 05:59 142 80–90 I 1.33–2.02 1.18 19, 30, 46 1134
2010/08/02 DFOSC 00:25 04:31 154 60 I 1.24–1.87 0.99 15.5, 28, 46 755
2010/08/21 DFOSC 00:02 03:58 154 60 I 1.21–2.45 1.29 16, 26, 48 804
2011/06/03 DFOSC 02:33 05:11 101 60 R 1.61–1.21 1.36 16, 24, 45 804
2010/08/06 BFOSC 19:52 22:55 71 90 i 1.30–1.61 1.74 12, 20, 40 452
2011/08/25 BUSCA 19:52 22:58 123 90 g 1.19–1.30 3.20 8, 16, 24 201
2011/08/25 BUSCA 19:52 22:58 125 90 r 1.19–1.30 1.92 20, 55, 65 1257
2011/08/25 BUSCA 19:52 22:58 125 90 z 1.19–1.30 2.66 25, 35, 45 1963
2010/04/29 GROND 05:52 08:38 89 50 i 1.31–2.54 3.65 no defocus  −
2010/04/29 GROND 05:52 08:38 90 50 r 1.31–2.54 4.80 no defocus  −

Notes. 

(a)

The three numbers are the apertures radii in pixels of the object aperture and the inner and outer edge of the sky annulus.

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