Table 1
Log of CHEOPS observations of WASP-103b.
| # | Start date | Duration | Nobs | Effic. | APER | Rap | Decorrelation |
|---|---|---|---|---|---|---|---|
| (UTC) | (h) | (%) | (pixels) | ||||
| 1 | 2020-04-18T22:55:40.965587 | 6.02 | 269 | 74 | OPTIMAL | 17.0 | Roll, bg |
| 2 | 2020-05-02T19:53:40.996584 | 6.14 | 296 | 80 | DEFAULT | 25 | Roll |
| 3 | 2020-05-05T14:10:00.434364 | 6.55 | 308 | 78 | OPTIMAL | 17.5 | bg |
| 4 | 2020-05-16T14:57:01.026698 | 9.64 | 523 | 90 | DEFAULT | 25 | Roll, x, y |
| 5 | 2020-05-19T10:08:00.408947 | 9.67 | 544 | 94 | OPTIMAL | 19.0 | Roll, bg |
| 6 | 2020-05-25T21:19:00.404138 | 9.97 | 560 | 94 | OPTIMAL | 19.0 | Roll, x |
| 7 | 2020-06-06T22:07:00.904021 | 9.37 | 540 | 96 | DEFAULT | 25.0 | Roll |
| 8 | 2020-06-07T20:04:00.500261 | 9.64 | 546 | 94 | DEFAULT | 25.0 | Roll |
| 9 | 2020-06-14T08:08:00.511905 | 9.64 | 533 | 92 | OPTIMAL | 19.0 | Roll, bg |
| 10 | 2020-06-18T23:06:00.996556 | 9.64 | 555 | 96 | DEFAULT | 25.0 | Roll |
| 11 | 2020-06-19T21:02:00.713493 | 9.64 | 538 | 93 | OPTIMAL | 19.0 | Roll, bg |
| 12 | 2020-06-20T19:07:39.419756 | 9.55 | 537 | 93 | OPTIMAL | 18.5 | Roll, cont, x, bg |
Notes. The transits are labelled by their sequence number throughout the paper. Effic. is the proportion of the time in which unobstructed observations of the target occurred. Rap is the aperture radius used for the photometric extraction. We also give the decorrelation parameters used for each light curve roll angle (roll), background (bg), x centroid (x), y centroid (y), and contamination (cont).
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