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Table 3
Journal of observations for seven epochs (2007−2013).
| Date | Julian date | Exposure time | S/N | σ LSD | |
| (2 454 000+) | (s) | (10-5Ic) | |||
|
|
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| 2007 July 27 | 309.595010 | 2400 | 33 888 | 2.9509 | |
| 2007 July 28 | 310.602470 | 1200 | 24 226 | 4.1279 | |
| 2007 July 29 | 311.560380 | 1200 | 22 030 | 4.5393 | |
| 2007 July 30 | 312.547230 | 1200 | 23 060 | 4.3366 | |
| 2007 July 31 | 313.548380 | 1200 | 17 034 | 5.8706 | |
| 2007 August 2 | 315.554720 | 1200 | 21 801 | 4.5871 | |
| 2007 August 3 | 316.551130 | 1200 | 21 899 | 4.5664 | |
| 2007 August 4 | 317.552700 | 1200 | 17 688 | 5.6536 | |
| 2007 August 8 | 321.525450 | 1200 | 20 126 | 4.9688 | |
| 2007 August 9 | 322.545370 | 1200 | 12 680 | 7.8868 | |
| 2007 August 10 | 323.545440 | 1200 | 15 856 | 6.3068 | |
| 2007 August 13 | 326.520920 | 1200 | 2225 | 0.0004 | |
| 2007 August 14 | 327.534930 | 1200 | 19 289 | 5.1843 | |
| 2007 August 17 | 330.524710 | 1200 | 21 711 | 4.6061 | |
| 2007 August 18 | 331.481500 | 1200 | 22 426 | 4.4592 | |
| 2007 August 26 | 339.432390 | 1200 | 3523 | 0.0003 | |
|
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| 2008 August 10 | 689.532480 | 1200 | 20 933 | 4.7772 | |
| 2008 August 12 | 691.512640 | 1200 | 22 440 | 4.4563 | |
| 2008 August 17 | 696.541340 | 1200 | 14 770 | 6.7706 | |
| 2008 August 19 | 698.608480 | 1200 | 19 645 | 5.0903 | |
| 2008 August 20 | 699.569970 | 1200 | 22 309 | 4.4826 | |
| 2008 August 21 | 700.499080 | 1200 | 16 068 | 6.2235 | |
| 2008 August 21 | 700.51924 | 1200 | 4218 | 0.0002 | |
| 2008 August 22 | 701.454560 | 1200 | 11 621 | 8.6048 | |
| 2008 August 23 | 702.529090 | 1200 | 26 050 | 3.8388 | |
| 2008 August 24 | 703.500480 | 1200 | 26 143 | 3.8251 | |
| 2008 August 25 | 704.553140 | 1200 | 25 206 | 3.9673 | |
|
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| 2009 June 1 | 984.634140 | 1200 | 18 628 | 5.3684 | |
| 2009 June 2 | 985.633550 | 1200 | 20178 | 4.9560 | |
| 2009 June 3 | 986.630640 | 1200 | 20354 | 4.9131 | |
| 2009 June 12 | 995.615700 | 1200 | 6753 | 0.0001 | |
| 2009 June 18 | 1001.610390 | 1200 | 2183 | 0.0005 | |
| 2009 June 19 | 1002.632590 | 1200 | 7840 | 0.0001 | |
| 2009 June 22 | 1005.639920 | 1200 | 18 545 | 5.3923 | |
| 2009 June 23 | 1006.610200 | 1200 | 16 505 | 6.0586 | |
| 2009 June 27 | 1010.568540 | 1200 | 17 878 | 5.5936 | |
| 2009 June 30 | 1013.598260 | 1200 | 18 632 | 5.3672 | |
| 2009 July 5 | 1018.658940 | 1200 | 10 351 | 9.6608 | |
|
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| 2010 June 21 | 1369.590720 | 1200 | 18 367 | 5.4444 | |
| 2010 July 4 | 1382.615660 | 1200 | 23 145 | 4.3206 | |
| 2010 July 6 | 1384.584890 | 1200 | 23 052 | 4.3381 | |
| 2010 July 7 | 1385.533040 | 1200 | 22 897 | 4.3674 | |
| 2010 July 10 | 1388.555690 | 1200 | 19 426 | 5.1477 | |
| 2010 July 12 | 1390.561220 | 1200 | 15 164 | 6.5946 | |
| 2010 July 13 | 1391.543670 | 1200 | 13 473 | 7.4222 | |
| 2010 July 14 | 1392.566570 | 1200 | 19 724 | 5.0700 | |
| 2010 July 18 | 1396.485880 | 1200 | 22 411 | 4.4621 | |
| 2010 July 23 | 1401.561040 | 1200 | 23 969 | 4.1721 | |
| 2010 August 2 | 1411.510430 | 1200 | 19 422 | 5.1488 | |
| 2010 August 7 | 1416.561860 | 1200 | 21 276 | 4.7002 | |
| 2010 August 20 | 1429.547050 | 1200 | 15 018 | 6.6587 | |
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| 2011 July 11 | 1754.590060 | 1200 | 15 272 | 6.5481 | |
| 2011 July 21 | 1764.613990 | 1200 | 21 317 | 4.6911 | |
| 2011 July 22 | 1765.579850 | 1200 | 21 091 | 4.7414 | |
| 2011 August 8 | 1782.512460 | 1200 | 17 905 | 5.5850 | |
| 2011 August 10 | 1784.515440 | 1200 | 17 964 | 5.5668 | |
| 2011 August 11 | 1785.571320 | 1200 | 19 745 | 5.0646 | |
| 2011 August 15 | 1789.590600 | 1200 | 18 044 | 5.5420 | |
| 2011 August 16 | 1790.530870 | 1200 | 19 198 | 5.2088 | |
| 2011 August 17 | 1791.472450 | 1200 | – | – | |
| 2011 August 18 | 1792.535280 | 1200 | – | – | |
| 2012 June 21 | 2100.610620 | 1200 | – | – | |
| 2012 June 22 | 2101.635920 | 1200 | – | – | |
| 2012 June 23 | 2102.612400 | 1200 | – | – | |
| 2012 June 24 | 2103.529510 | 1200 | – | – | |
| 2012 July 9 | 2118.614210 | 1200 | – | – | |
| 2012 July 15 | 2124.664630 | 1200 | – | – | |
| 2012 July 16 | 2125.639690 | 1200 | – | – | |
| 2012 July 17 | 2126.631180 | 1200 | – | – | |
| 2012 July 18 | 2127.593570 | 1200 | – | – | |
| 2012 July 19 | 2128.578110 | 1200 | – | – | |
| 2012 July 22 | 2131.572610 | 1200 | – | – | |
| 2012 July 23 | 2132.561810 | 1200 | – | – | |
| 2012 July 24 | 2133.592020 | 1200 | – | – | |
| 2012 August 6 | 2146.566500 | 1200 | – | – | |
| 2012 August 7 | 2147.537680 | 1200 | – | – | |
|
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| 2013 July 8 | 2482.556520 | 1200 | 21 586 | 4.6327 | |
| 2013 July 11 | 2485.512210 | 1200 | 14 989 | 6.6715 | |
| 2013 August 2 | 2507.629120 | 1200 | 16 687 | 5.9928 | |
| 2013 August 4 | 2509.533370 | 1200 | 21 228 | 4.7107 | |
| 2013 August 5 | 2510.636070 | 1200 | 17 799 | 5.6183 | |
| 2013 August 8 | 2513.550070 | 1200 | 17 224 | 5.8058 | |
| 2013 August 9 | 2514.559260 | 1200 | 20 757 | 4.8178 | |
| 2013 August 10 | 2515.562810 | 1200 | 21 317 | 4.6912 | |
| 2013 August 11 | 2516.582590 | 1200 | 21 314 | 4.6917 | |
| 2013 August 13 | 2518.601950 | 1200 | 21 551 | 4.6401 | |
| 2013 August 15 | 2520.501260 | 1200 | 20 952 | 4.7728 | |
| 2013 August 18 | 2523.532240 | 1200 | 20 357 | 4.9122 | |
| 2013 August 19 | 2524.518410 | 1200 | 22 046 | 4.5360 | |
| 2013 August 20 | 2525.463280 | 1200 | 21 075 | 4.7450 | |
| 2013 August 21 | 2526.533220 | 1200 | 19 830 | 5.0429 | |
Notes. Column 1 represents the year and date of observations, Col. 2 is the Heliocentric Julian date, Col. 3 is the exposure time, Col. 4 is the signal-to-noise ratio of each Stokes V LSD profile and Col. 5 represents the error bars in Stokes V LSD profile. The spectropolarimetric observations are not included for 2012.61 and parts of 2011.67 epoch due to instrumental defects at NARVAL. See Sect. 3 for details.
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