Table 4
Summary of follow-up photometry obtained for WASP-68, WASP-73, and WASP-88.
Target | Night | Telescope | Filter | N p | T exp | Baseline function | σ | σ 120s | β w | β r | CF |
(s) | (%) | (%) | |||||||||
|
|||||||||||
WASP-68 | 2012 May 16–17 | TRAPPIST | I + z | 1139 | 8 | p(a1+f1+xy1) + o | 0.28 | 0.10 | 1.03 | 1.22 | 1.26 |
WASP-68 | 2012 Jul. 06–07 | TRAPPIST | I + z | 1181 | 8 | p(a2+b1+xy2) + o | 0.30 | 0.11 | 1.21 | 1.27 | 1.54 |
WASP-68 | 2013 Jul. 02–03 | TRAPPIST | I + z | 1357 | 8 | p(t2+b1+xy1) + o | 0.25 | 0.10 | 0.88 | 1.57 | 1.39 |
WASP-68 | 2012 Jul. 06–07 | EulerCam | I c | 412 | 40 | p(t2+f2+b1) | 0.10 | 0.07 | 1.40 | 1.00 | 1.40 |
WASP-68 | 2013 Jul. 02–03 | EulerCam | I c | 333 | 50 | p(a1+f1+xy1) | 0.10 | 0.08 | 1.36 | 2.15 | 2.93 |
WASP-73 | 2012 Jul. 19–20 | TRAPPIST | z ′ | 476 | 25 | p(t2) | 0.22 | 0.12 | 1.13 | 1.08 | 1.22 |
WASP-73 | 2012 Jul. 23–24 | TRAPPIST | z ′ | 640 | 25 | p(a1+f1) + o | 0.25 | 0.14 | 1.47 | 1.11 | 1.63 |
WASP-73 | 2012 Jul. 19–20 | EulerCam | Gunn-r′ | 346 | 60 | p(t2+f2+xy1) | 0.10 | 0.07 | 1.48 | 1.54 | 2.27 |
WASP-73 | 2012 Jul. 23–24 | EulerCam | Gunn-r′ | 352 | 50 | p(a1+xy1) | 0.13 | 0.10 | 1.61 | 2.55 | 4.11 |
WASP-88 | 2012 Aug. 27–28 | TRAPPIST | I + z | 867 | 20 | p(a1) + o | 0.23 | 0.11 | 1.10 | 1.19 | 1.31 |
WASP-88 | 2013 Jun. 30–Jul. 01 | TRAPPIST | I + z | 837 | 20 | p(t2) + o | 0.37 | 0.21 | 1.59 | 1.14 | 1.82 |
WASP-88 | 2012 Aug. 12–13 | EulerCam | Gunn-r′ | 95 | 80 | p(a1+xy2) | 0.08 | 0.08 | 1.25 | 1.00 | 1.25 |
WASP-88 | 2013 Jun. 25–26 | EulerCam | Gunn-r′ | 246 | 70 | p(a1+f1) | 0.09 | 0.09 | 1.31 | 2.33 | 3.05 |
WASP-88 | 2013 Jun. 30-Jul. 01 | EulerCam | Gunn-r′ | 317 | 70 | p(t2+b1) | 0.17 | 0.17 | 2.45 | 1.08 | 2.65 |
Notes. For each light curve, this table shows the date of acquisition, the used instrument and filter, the number of data points, the exposure time, the selected baseline function, the standard deviation of the best-fit residuals (unbinned and binned per intervals of 2 min), and the deduced values for βw, βr and CF = βw × βr. For the baseline function, p(ϵN) denotes, respectively, a N-order polynomial function of time (ϵ = t), airmass (ϵ = a), PSF full-width at half maximum (ϵ = f), background (ϵ = b), and x and y positions (ϵ = xy). The symbol o denotes an offset fixed at the time of the meridian flip.
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