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Table 2

Ca ii H&K observation log, and measured Mount-Wilson S-index.

Date Time (UT) BJDa S-index σS
HH MM SS (2 450 000+)
2010 Aug. 26 06 24 10 5434.76985 0.2487 0.0028
2010 Aug. 26 06 25 24 5434.77070 0.2586 0.0033
2010 Sep. 16 06 08 13 5455.75918 0.2436 0.0044
2010 Sep. 16 06 09 27 5455.76004 0.2325 0.0040
2010 Sep. 21 07 33 01 5460.81813 0.2372 0.0025
2010 Sep. 21 07 34 15 5460.81898 0.2472 0.0028
2010 Oct. 15 07 00 42 5484.79563 0.2227 0.0032
2010 Oct. 15 07 01 56 5484.79648 0.2360 0.0041
2010 Oct. 20 02 42 00 5489.61591 0.2559 0.0019
2010 Oct. 20 02 43 14 5489.61676 0.2532 0.0019
2010 Nov. 09 03 53 55 5509.66538 0.2460 0.0017
2010 Nov. 09 03 55 09 5509.66623 0.2583 0.0019
2010 Nov. 26 04 05 10 5526.67258 0.2553 0.0021
2010 Nov. 26 04 06 24 5526.67344 0.2616 0.0022
2010 Dec. 13 05 12 35 5543.71865 0.2249 0.0018
2010 Dec. 13 05 13 49 5543.71951 0.2238 0.0018
2010 Dec. 31 02 47 40 5561.61715 0.2332 0.0026
2010 Dec. 31 02 48 54 5561.61800 0.2267 0.0026
2011 Jan. 08 03 02 30 5569.62706 0.2321 0.0019
2011 Jan. 08 03 03 44 5569.62792 0.2303 0.0018
2011 Jan. 30 03 34 14 5591.64809 0.2394 0.0018
2011 Jan. 30 03 35 28 5591.64894 0.2324 0.0017
2011 Feb. 10 03 07 39 5602.62921 0.2483 0.0021
2011 Feb. 10 03 08 54 5602.63007 0.2478 0.0021
2011 Feb. 26 00 57 42 5618.53847 0.2500 0.0030
2011 Feb. 26 00 58 56 5618.53932 0.2400 0.0028
2011 Mar. 09 00 49 39 5629.53263 0.2449 0.0020
2011 Mar. 09 00 50 53 5629.53348 0.2463 0.0022
2011 Apr. 04 23 21 18 5656.47110 0.2391 0.0019
2011 Apr. 04 23 22 32 5656.47196 0.2391 0.0018
2011 Jun. 10 10 25 05 5722.93392 0.2445 0.0020
2011 Jun. 10 10 26 20 5722.93478 0.2460 0.0021
2011 Jun. 29 09 59 07 5741.91677 0.2461 0.0024
2011 Jun. 29 10 00 21 5741.91762 0.2520 0.0023
2011 Jul. 20 09 09 57 5762.88359 0.2422 0.0025
2011 Jul. 20 09 11 11 5762.88445 0.2551 0.0026
2011 Sep. 01 07 59 47 5805.83640 0.2509 0.0024
2011 Sep. 01 08 01 02 5805.83726 0.2420 0.0022
2011 Sep. 30 09 38 44 5834.90546 0.2372 0.0022
2011 Sep. 30 09 39 58 5834.90632 0.2450 0.0022
2011 Oct. 22 07 21 15 5856.80980 0.2529 0.0036
2011 Oct. 22 07 22 29 5856.81066 0.2445 0.0033
2011 Nov. 14 05 51 40 5879.74699 0.2444 0.0018
2011 Nov. 14 05 52 54 5879.74785 0.2373 0.0017
2011 Dec. 12 02 22 47 5907.60081 0.2387 0.0024
2011 Dec. 12 02 24 02 5907.60166 0.2442 0.0024
2011 Dec. 23 02 15 40 5918.59534 0.2165 0.0052
2011 Dec. 23 02 16 54 5918.59619 0.2177 0.0043
2012 Jan. 14 04 19 10 5940.68003 0.2319 0.0017
2012 Jan. 14 04 20 24 5940.68089 0.2292 0.0017
2012 Jan. 28 02 27 14 5954.60166 0.2285 0.0016
2012 Jan. 28 02 28 28 5954.60252 0.2289 0.0016
2012 Feb. 14 01 39 13 5971.56766 0.2337 0.0030
2012 Feb. 14 01 40 27 5971.56851 0.2201 0.0030
2012 Jul. 09 08 38 20 6117.86119 0.2218 0.0015
2012 Jul. 09 08 39 35 6117.86204 0.2285 0.0015
2012 Aug. 09 09 13 10 6148.88669 0.2226 0.0017
2012 Aug. 09 09 14 24 6148.88755 0.2263 0.0016
2012 Sep. 03 08 53 51 6173.87402 0.2363 0.0024
2012 Sep. 03 08 55 05 6173.87488 0.2293 0.0026
2012 Oct. 13 07 07 34 6213.80043 0.2321 0.0020
2012 Oct. 13 07 08 48 6213.80129 0.2394 0.0020
2012 Nov. 30 05 29 13 6261.73078 0.2365 0.0055
2012 Nov. 30 05 30 27 6261.73164 0.2306 0.0070
2012 Dec. 11 03 13 41 6272.63618 0.2404 0.0028
2012 Dec. 11 03 14 55 6272.63703 0.2453 0.0027
2012 Dec. 30 04 53 05 6291.70428 0.2298 0.0033
2012 Dec. 30 04 54 19 6291.70514 0.2402 0.0034
2013 Feb. 01 02 20 02 6324.59648 0.2340 0.0026
2013 Feb. 01 02 21 16 6324.59734 0.2211 0.0019

Notes.

(a)

Barycentric Julian date of observation.

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