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Table 6

Journal of the optical/UV time-lags.

Eclipse time Time-lag Residuals best-fit 1 Residuals best-fit 2
(JD–2 400 000) (s) (s) (s)

43   629.8410 ± 0.0130  −951 ± 1123  −938 ± 1123  −1278 ± 1123
44   044.8450 ± 0.0060  −1477 ± 518  −1444 ± 518  −1395 ± 518
44   090.1140 ± 0.0080  −800 ± 691  −767 ± 691  −644 ± 691
44   101.0280 ± 0.0080  −377 ± 691  −344 ± 691  −241 ± 691
44   105.6650 ± 0.0060  −824 ± 518  −791 ± 518  −701 ± 518
44   106.5970 ± 0.0060  −516 ± 518  −483 ± 518  −396 ± 518
44   137.9350 ± 0.0100  −227 ± 864  −195 ± 864  −252 ± 864
44   411.1320 ± 0.0080 218 ± 691 242 ± 691 247 ± 691
44   412.0580 ± 0.0080 8 ± 691 32 ± 691 32 ± 691
44   664.8120 ± 0.0080  −1057 ± 691  −1051 ± 691  −916 ± 691
44   783.8940 ± 0.0060  −172 ± 518  −179 ± 518  −542 ± 518
45   579.5650 ± 0.0030 16 ± 259  −114 ± 259  −163 ± 259
45   580.7250 ± 0.0030  −31 ± 259  −162 ± 259  −216 ± 259
45   615.3115 ± 0.0020 166 ± 173  −30 ± 173  −173 ± 173
45   937.7110 ± 0.0021 192 ± 181  −4 ± 181  −160 ± 181
46   234.5787 ± 0.0018 228 ± 156  −20 ± 156  −83 ± 156
47   296.4798 ± 0.0010 433 ± 86 80 ± 86 158 ± 86
47   379.3410 ± 0.0010 282 ± 86  −72 ± 86 25 ± 86
47   999.7674 ± 0.0039 163 ± 337  −160 ± 337 209 ± 337
49   163.0960 ± 0.0028  −114 ± 242  −253 ± 242 37 ± 242
49   164.0237 ± 0.0028  −178 ± 242  −317 ± 242  −25 ± 242
49   164.2542 ± 0.0028  −317 ± 242  −456 ± 242  −164 ± 242
49   165.1852 ± 0.0028  −96 ± 242  −234 ± 242 59 ± 242
49   166.1190 ± 0.0028 368 ± 242 229 ± 242 524 ± 242
50   250.5308 ± 0.0008 49 ± 69 65 ± 69 22 ± 69
50   250.7626 ± 0.0008 22 ± 69 38 ± 69  −3 ± 69
50   252.6196 ± 0.0008 33 ± 69 49 ± 69 18 ± 69
51   264.8446 ± 0.0035  −413 ± 302  −409 ± 302  −713 ± 302
51   373.7094 ± 0.0008 47 ± 69 40 ± 69  −32 ± 69
51   756.4577 ± 0.0012  −15 ± 104  −74 ± 104 78 ± 104
51   782.4542 ± 0.0012 3 ± 104  −60 ± 104  −34 ± 104
52   089.7692 ± 0.0008 139 ± 69 24 ± 69  −40 ± 69
53   618.6767 ± 0.0050 58 ± 432  −285 ± 432  −134 ± 432
53   828.9720 ± 0.0010 364 ± 86 11 ± 86 11 ± 86
53   830.8299 ± 0.0010 452 ± 86 99 ± 86 95 ± 86
53   932.7201 ± 0.0040  −80 ± 346  −434 ± 346  −93 ± 346

Notes. The optical/UV eclipse times (1st column), the corresponding time-lags (2nd column) with respect to the best-fit parabola describing the X-ray ephemeris showed in Eq. (5), the time-lags after removal of the sinusoidal modulations (3rd and 4th column, respectively). The errors are at the 68% c.l.

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