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Table A.1

Journal of Narval/TBL observations of ζ Cas. Column 1/8 indicates the number of the polarimetric sequence.

Nr. Date Mid-UT Mid-HJD T exp Phase S / N Nr. Date Mid-UT Mid-HJD T exp Phase S / N
h:min 2 450 000 s h:min 2 450 000 s

1 2007-01-11 17:56 4112.25359 4×180 49 2011-07-12 02:22 5754.60870 4×420
2 2007-01-11 18:12 4112.26442 4×180 50 2011-07-15 01:15 5757.56212 4×420 0.54982 530
3 2007-01-11 18:27 4112.27525 4×180 0.19043 452 51 2011-07-18 02:39 5760.62105 4×420 0.11941 568
4 2007-01-11 18:43 4112.29052 4×360 0.19327 557 52 2011-07-22 02:56 5764.63256 4×420 0.86637 560
5 2007-01-11 21:22 4112.39931 4×300 0.21353 556 53 2011-07-23 02:11 5765.60078 4×380 0.04665 571
6 2007-01-11 21:45 4112.41551 4×300 0.21655 557 54 2011-08-09 03:18 5782.64961 4×420 0.22122 549
7 2007-01-12 17:30 4113.23806 4×300 0.36971 533 55 2011-08-10 02:38 5783.62187 4×420 0.40226 529
8 2007-01-12 17:53 4113.25427 4×300 0.37273 548 56 2011-08-11 01:29 5784.57366 4×420 0.57948 544
9 2007-01-12 18:16 4113.27047 4×300 0.37574 540 57 2011-08-11 22:41 5785.45747 4×420 0.74405 513
10 2007-01-12 20:52 4113.37863 4×300 0.39588 539 58 2011-08-12 02:19 5785.60837 4×420 0.77215 542
11 2007-01-12 21:15 4113.39484 4×300 0.39890 527 59 2011-08-15 21:45 5789.41837 4×420 0.48159 498
12 2007-01-12 21:39 4113.41103 4×300 0.40192 523 60 2011-08-16 01:11 5789.56182 4×420 0.50830 533
13 2007-01-13 17:32 4114.24066 4×360 0.55640 557 61 2011-08-16 23:02 5790.47176 4×420 0.67774 539
14 2007-01-13 17:59 4114.25966 4×360 0.55994 567 62 2011-08-18 01:42 5791.58315 4×420
15 2007-01-13 18:26 4114.27865 4×360 0.56347 590 63 2011-08-18 23:10 5792.47749 4×420
16 2007-01-17 18:48 4118.28952 4×180 0.31031 536 64 2011-08-19 03:11 5792.64514 4×420
17 2007-01-17 19:04 4118.30017 4×180 0.31230 516 65 2011-08-20 00:22 5793.52760 4×420
18 2007-06-28 03:01 4279.62780 4×120 0.35218 440 66 2011-08-21 00:21 5794.52718 4×420
19 2007-06-28 03:13 4279.63574 4×120 0.35366 423 67 2011-08-21 03:21 5794.65207 4×420
20 2007-07-05 02:37 4286.61181 4×120 0.65264 504 68 2011-08-22 01:09 5795.56073 4×420
21 2007-07-05 02:49 4286.61975 4×120 0.65412 516 69 2011-08-22 23:08 5796.47638 4×420
22 2007-07-06 01:23 4287.55989 4×120 0.82917 477 70 2011-08-28 00:23 5801.52906 4×420 0.73665 530
23 2007-07-06 01:34 4287.56783 4×120 0.83065 480 71 2011-08-28 02:44 5801.62710 4×420 0.75491 554
24 2007-07-06 03:06 4287.63152 4×120 0.84251 507 72 2011-08-29 01:38 5802.58321 4×420 0.93294 479
25 2007-07-07 01:41 4288.57244 4×120 0.01771 456 73 2011-09-24 23:56 5829.51186 4×420 0.94717 555
26 2007-07-07 01:52 4288.58039 4×120 0.01919 454 74 2011-09-26 03:52 5830.67530 4×420 0.16380 549
27 2007-07-12 02:55 4293.62469 4×120 0.95846 514 75 2011-09-27 00:47 5831.54736 4×420 0.32619 569
28 2007-07-12 03:07 4293.63261 4×120 0.95994 503 76 2011-09-27 23:39 5832.49977 4×420 0.50353 601
29 2007-07-13 01:54 4294.58223 4×120 0.13676 406 77 2011-09-28 01:10 5832.56337 4×420 0.51537 587
30 2007-07-13 02:06 4294.59018 4×120 0.13824 427 78 2011-10-01 00:00 5835.51466 4×420 0.06491 567
31 2007-07-13 02:17 4294.59811 4×120 0.13972 433 79 2011-10-01 21:13 5836.39858 4×420 0.22950 578
32 2007-07-13 02:28 4294.60603 4×120 0.14119 422 80 2011-10-01 23:30 5836.49369 4×420 0.24721 582
33 2007-07-13 02:40 4294.61396 4×120 0.14267 441 81 2011-10-03 04:13 5837.69019 4×420 0.47001 577
34 2007-07-13 03:15 4294.63865 4×120 0.14727 488 82 2011-10-04 01:14 5838.56638 4×420 0.63316 604
35 2007-07-13 03:27 4294.64658 4×120 0.14874 480 83 2011-10-04 22:32 5839.45397 4×420 0.79843 504
36 2007-07-13 03:39 4294.65479 4×120 0.15027 470 84 2011-10-05 22:26 5840.44932 4×420 0.98377 574
37 2007-07-13 03:50 4294.66271 4×120 0.15175 469 85 2011-10-06 00:38 5840.54124 4×420 0.00088 588
38 2007-11-24 18:07 4429.26647 4×300 0.21554 566 86 2011-10-06 04:27 5840.70051 4×420
39 2007-11-24 18:31 4429.28320 4×300 0.21865 578 87 2011-10-09 03:49 5843.67386 4×420 0.58419 546
40 2007-11-27 21:36 4432.41177 4×300 0.80121 532 88 2011-10-11 22:03 5846.43368 4×420 0.09808 494
41 2009-09-23 22:27 5098.44989 4×420 0.82033 507 89 2011-10-25 23:02 5860.47453 4×420 0.71255 547
42 2009-10-15 20:42 5120.37741 4×420 0.90333 523 90 2011-10-30 19:14 5865.31675 4×420 0.61419 558
43 2009-10-28 02:24 5132.61064 4×420 0.18121 485 91 2011-11-08 21:04 5874.39264 4×420 0.30416 502
44 2009-11-26 17:46 5162.25461 4×420 0.70104 529 92 2011-11-11 20:11 5877.35603 4×420 0.85595 532
45 2011-07-05 01:39 5747.57841 4×420 0.69081 583 93 2011-11-30 22:44 5896.46199 4×420 0.41356 589
46 2011-07-06 02:01 5748.59145 4×300 94 2011-12-10 20:20 5906.36150 4×420 0.25690 555
47 2011-07-09 02:58 5751.63355 4×420 0.44590 538 95 2011-12-10 22:37 5906.45664 4×420 0.27461 559
48 2011-07-11 03:02 5753.63654 4×420 96 2012-01-18 19:59 5945.34444 4×420 0.51568 461

Notes. Columns 2/9 and 3/10 show the date and time of the middle of observations, while Cols. 4/11 give the Heliocentric Julian Date (HJD) at the middle of observations. Columns 5/12 give the exposure time in seconds for each sequence, and Cols. 6/13 the rotational phase using Prot = 5.370447 d and the reference date HJD0 = 2 446 871.89. Columns 7/14 give the S/N of the Stokes I spectra around 450 nm. A missing phase and S/N indicate that the corresponding observation was not used in the analysis (see Sect. 2 for explanations).

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