Table 4
Log of the transit observations of XO-2Nb analysed in this work (14 distinct light curves).
| Date | Observatory | Telescope/instrument | N | σ | σ120 s |
| (mmag) | (mmag) | ||||
|
|
|||||
| 2011 Jan. 03 | Asiago | 182 cm/AFOSC | 2620 | 1.37 | 0.37 |
| 2011 Feb. 01 | Asiago | 182 cm/AFOSC | 2483 | 2.19 | 0.42 |
| 2011 Feb. 06 | Asiago | 67/91 cm Schmidt | 1029 | 3.98 | 1.35 |
| 2011 Feb. 06 | Asiago | 182 cm/AFOSC | 2615 | 2.16 | 0.51 |
| 2011 Apr. 02 | Asiago | 182 cm/AFOSC | 1767 | 2.41 | 0.52 |
| 2011 Nov. 26 | Asiago | 182 cm/AFOSC | 2999 | 2.28 | 0.50 |
| 2011 Dec. 17 | Asiago | 182 cm/AFOSC | 2343 | 1.59 | 0.36 |
| 2012 Jan. 12 | Teide | IAC80/CAMELOT | 899 | 2.19 | 0.86 |
| 2012 Feb. 23 | Teide | IAC80/CAMELOT | 955 | 1.77 | 0.55 |
| 2012 Mar. 15 | Asiago | 182 cm/AFOSC | 2853 | 1.63 | 0.47 |
| 2012 Dec. 05 | Teide | IAC80/TCP | 712 | 1.85 | 0.66 |
| 2012 Dec. 12 | Asiago | 182 cm/AFOSC | 2736 | 1.41 | 0.37 |
| 2013 Feb. 05 | Asiago | 182 cm/AFOSC | 1277 | 2.38 | 0.66 |
| 2014 Mar. 07 | Asiago | 182 cm/AFOSC | 2114 | 2.19 | 0.59 |
Notes. All of them were obtained using a Cousin/Bessell R filter. The columns list: the evening date, the observatory and instrument employed, the number of data points N, the photometric rms of the residuals from the best-fit model (both for the original cadence, σ, and after binning over 120 s intervals, σ120).
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