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Table A.1

Simplified transit model fits to the individual transit events of WASP-33.

LC# Depth [mag] T12 [d] T14 [d] T c c 3 σ fit N

01 −0.01292 0.00890 0.11098 52   984.82950 −0.00022 0.00458 2196
±0.00022 ±0.00096 ±0.00119 ± 0.00031 ±0.00154
03 −0.01541 0.01497 0.11412 55   431.89064 −0.01787 0.00353 245
±0.00063 ±0.00278 ±0.00370 ± 0.00082 ±0.00482
04 −0.01127 0.01059 0.10914 55   435.54799 −0.02317 0.00252 282
±0.00032 ±0.00191 ±0.00226 ± 0.00057 ±0.00378
05 −0.01240 0.01356 0.10911 55   435.55093 0.00652 0.00268 163
±0.00057 ±0.00418 ±0.00505 ± 0.00095 ±0.00298
06 −0.01632 0.01800 0.12099 55   457.50954 −0.07299 0.00262 220
±0.00062 ±0.00282 ±0.00340 ± 0.00072 ±0.00402
07 −0.01437 0.01331 0.11643 55   468.48488 −0.02304 0.00174 277
±0.00035 ±0.00111 ±0.00138 ± 0.00035 ±0.00339
08 −0.02460 0.03090 0.12431 55   480.68451 0.08107 0.00382 598
±0.00040 ±0.00103 ±0.00080 ± 0.00051 ±0.00488
09 −0.02051 0.05230 0.16881 55   485.54744 0.04160 0.00358 191
±0.00098 ±0.00549 ±0.00626 ± 0.00147 ±0.00416
10 −0.01284 0.00878 0.10884 55   490.44146 0.03935 0.00428 434
±0.00053 ±0.00254 ±0.00319 ± 0.00064 ±0.00499
11 −0.01235 0.00973 0.11151 55   490.44463 −0.02676 0.00185 138
±0.00040 ±0.00278 ±0.00306 ± 0.00073 ±0.00243
12 −0.01265 0.01494 0.11766 55   503.86355 −0.01721 0.00240 451
±0.00029 ±0.00191 ±0.00210 ± 0.00045 ±0.00199
13 −0.01575 0.01336 0.11250 55   519.71991 0.02985 0.00568 863
±0.00049 ±0.00278 ±0.00315 ± 0.00059 ±0.00290
14 −0.01425 0.01566 0.12709 55   536.79915 0.09255 0.00909 1254
±0.00061 ±0.00452 ±0.00512 ± 0.00104 ±0.00558
15 −0.01695 0.01077 0.11811 55   556.31457 0.01598 0.00745 440
±0.00115 ±0.00370 ±0.00393 ± 0.00094 ±0.01329
16 −0.01425 0.01666 0.11604 55   567.29575 −0.01508 0.00325 437
±0.00035 ±0.00201 ±0.00264 ± 0.00070 ±0.00376
17 −0.01524 0.01272 0.10953 55   574.61261 0.02431 0.00518 778
±0.00046 ±0.00222 ±0.00247 ± 0.00059 ±0.00365
18 −0.01816 0.01187 0.11168 55   578.27423 0.06357 0.00455 238
±0.00088 ±0.00374 ±0.00449 ± 0.00088 ±0.00864
19 −0.01453 0.01675 0.11957 55   825.90836 −0.03323 0.00315 311
±0.00057 ±0.00247 ±0.00285 ± 0.00073 ±0.00599
20 −0.01604 0.01095 0.11408 55   829.56788 0.00009 0.00326 468
±0.00034 ±0.00175 ±0.00183 ± 0.00038 ±0.00298
21 −0.02118 0.01743 0.12884 55   840.54767 0.06557 0.00407 196
±0.00073 ±0.00383 ±0.00480 ± 0.00102 ±0.00430
22 −0.01657 0.01132 0.11590 55   847.86651 0.04421 0.00287 310
±0.00047 ±0.00173 ±0.00205 ± 0.00051 ±0.00241
23 −0.01159 0.01211 0.12316 55   847.86687 0.01058 0.00136 505
±0.00015 ±0.00093 ±0.00098 ± 0.00027 ±0.00073
24 −0.01131 0.00366 0.10183 55   857.62251 −0.03481 0.00258 96
±0.00059 ±0.00303 ±0.00370 ± 0.00077 ±0.00548
25 −0.01273 0.01525 0.11739 55   878.36071 −0.01035 0.00174 291
±0.00025 ±0.00173 ±0.00224 ± 0.00046 ±0.00217
26 −0.01605 0.01424 0.11138 55   878.36171 0.03985 0.00223 79
±0.00080 ±0.00301 ±0.00373 ± 0.00106 ±0.00915
27 −0.01390 0.01724 0.10546 55   879.58875 −0.04512 0.00620 907
±0.00071 ±0.00278 ±0.00383 ± 0.00092 ±0.00504
28 −0.02336 0.01086 0.08862 55   889.32128 0.05757 0.00921 404
±0.00122 ±0.00411 ±0.00531 ± 0.00070 ±0.01072
29 −0.01469 0.00985 0.11435 55   889.33912 0.03363 0.00305 127
±0.00076 ±0.00320 ±0.00386 ± 0.00090 ±0.00607
30 −0.01670 0.01081 0.11132 55   890.56016 −0.01488 0.00302 446
±0.00034 ±0.00111 ±0.00138 ± 0.00034 ±0.00391
31 −0.03987 0.05448 0.13802 55   890.57094 0.05401 0.00331 177
±0.00258 ±0.00399 ±0.00223 ± 0.00069 ±0.00492
32 −0.01367 0.01229 0.11489 55   896.66071 −0.04361 0.00355 888
±0.00031 ±0.00163 ±0.00176 ± 0.00041 ±0.00187
33 −0.01518 0.00906 0.11289 55   906.41511 0.08610 0.00279 146
±0.00071 ±0.00204 ±0.00238 ± 0.00061 ±0.00789
34 −0.01587 0.01721 0.11740 55   911.29675 0.00249 0.00172 109
±0.00044 ±0.00194 ±0.00234 ± 0.00059 ±0.00394
35 −0.02361 0.01385 0.12109 55   916.17801 0.00774 0.00264 149
±0.00062 ±0.00132 ±0.00148 ± 0.00044 ±0.00580
36 −0.01990 0.00574 0.10720 55   917.39612 0.13020 0.00566 134
±0.00105 ±0.00335 ±0.00410 ± 0.00072 ±0.00722
37 −0.01489 0.03037 0.13544 55   923.49690 0.05587 0.00283 230
±0.00096 ±0.01478 ±0.02050 ± 0.00148 ±0.00472
38 −0.01680 0.01616 0.12705 55   928.37473 −0.02463 0.00200 113
±0.00055 ±0.00220 ±0.00289 ± 0.00060 ±0.00517
39 −0.01468 0.01312 0.11406 55   928.37224 −0.02589 0.00299 420
±0.00033 ±0.00233 ±0.00300 ± 0.00057 ±0.00258
40 −0.01541 0.01615 0.12301 55   935.69728 −0.00475 0.00356 316
±0.00065 ±0.00287 ±0.00316 ± 0.00071 ±0.00398
41 −0.01402 0.01076 0.11294 55   939.35322 0.02748 0.00150 130
±0.00032 ±0.00102 ±0.00137 ± 0.00038 ±0.00219
42 −0.01384 0.00736 0.11353 55   946.67657 0.04735 0.00414 534
±0.00043 ±0.00245 ±0.00246 ± 0.00068 ±0.00233
43 −0.01245 0.01017 0.11581 55   968.63311 0.05396 0.00300 365
±0.00040 ±0.00169 ±0.00193 ± 0.00054 ±0.00274

Notes. See Sect. 2 for the description of the simplified transit model. Header: LC#: light curve identifying number (see Table 1); Depth: transit depth; T12: ingress(=egress) duration; T14: total transit duration; Tc: time of the center of transit; c3: linear trend coefficient (see Eq. (1); negative values indicate overall brightening); σfit: standard deviation of the residuals throughout the total time span of the followup data; N: number of data points. The partial transit observation from FLWO (#02) has been left out, due to numerical difficulties in fitting the trend and the transit models simultaneously. The center of transit time of #28 seems to be strongly influenced by the large oscillations, leading to an estimate of 28 min earlier than predicted.

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