Title: Polar Network Index as a magnetic proxy for the solar cycle studies Authors: Priyal M., Banerjee D., Karak B.B., Munoz-Jaramillo A., Ravindra B., Choudhuri A.R., Singh J. Figure: PNI and MWO facular counts and facular count or the years 1909 - 1990 ================================================================================ Byte-by-byte Description of file: dbf3ab.txt -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 4 I4 yr Obs.Y Year of the observation 6- 14 F9.3 --- KKL-N KKL Polar Network Index North 16- 24 F9.3 --- KKL-S KKL Polar Network Index South 26- 34 F9.5 --- MWO-N MWO polar facular count North 36- 43 F8.4 --- MWO-S ? MWO polar facular count South (1) 45- 52 F8.3 --- SA-N Northern hemisphere sunspot area 54- 61 F8.3 --- SA-S Southern hemisphere sunspot area -------------------------------------------------------------------------------- Note (1): Blank values indicate NaN values. -------------------------------------------------------------------------------- 1909 555.055 -411.947 6.6237 -4.0761 297.009 394.525 1910 518.127 -393.903 9.6172 -11.846 64.767 201.25 1911 564.43 -416.421 7.5154 -8.9166 21.617 42.808 1912 522.889 -496.563 8.7255 -20.062 0.792 36.55 1913 441.187 -670.016 13.12 5.058 2.467 1914 526.878 -748.683 10.955 -9.3624 99.142 53.267 1915 545.077 -663.761 15.668 -8.9166 380.166 317.608 1916 412.993 -536.938 2.7387 -7.7702 470.033 255.408 1917 288.892 -436.036 0.6369 -7.0059 853.575 680.358 1918 -229.985 451.024 -1.6559 2.8023 608.292 504.267 1919 -373.841 697.88 -14.458 14.394 565.408 489.275 1920 -811.086 955.749 -30.953 27.769 207.808 409.45 1921 -1237.417 933.098 -25.349 31.718 250.192 169.392 1922 -1451.423 967.867 -29.934 21.145 159.95 92. 1923 -1525.981 1194.079 -17.451 19.234 32.617 22.033 1924 -1198.877 1210.759 -15.795 15.795 233.658 44.358 1925 -691.951 916.568 -7.7702 17.069 513.742 311.333 1926 -289.994 497.285 -3.1208 7.5154 661.333 601.817 1927 -129.165 341.139 -2.5476 4.5857 378.958 681.85 1928 151.883 396.421 0.31845 5.0952 725.934 662.975 1929 250.879 -430.776 0.70059 -4.713 650.634 588.275 1930 482.028 -525.945 4.3946 -5.7321 286.05 230.575 1931 791.455 -795.013 12.483 -16.05 204.192 74.867 1932 740.656 -890.818 13.311 -19.616 122.658 40.492 1933 639.221 -795.185 11.719 -19.107 89.492 1.758 1934 726.883 -809.628 14.967 -9.2987 44.292 73.925 1935 635.01 -829.549 8.3115 13.757 203.317 418.767 1936 448.047 -660.361 10.063 -14.267 462.592 678.225 1937 262.532 -379.118 5.1589 -3.3756 1316.075 756.692 1938 174.008 224.33 1.7515 3.4392 886. 1129.242 1939 -167.213 201.545 -2.4202 9.235 645.083 931.733 1940 -223.877 257.895 -15.668 11.974 497.042 540.125 1941 -374.845 446.805 -13.884 14.903 434.433 223.692 1942 -425.829 593.757 -12.356 19.616 256.183 171.15 1943 -312.807 453.152 -24.138 21.272 250.917 45.867 1944 -399.44 317.105 -32.354 17.069 42.175 82.475 1945 -606.361 369.687 -23.693 17.961 119.358 307.167 1946 -509.793 515.863 -16.623 13.502 1116.151 707.741 1947 -277.239 502.474 -4.4583 8.1523 991.141 1642.909 1948 -133.353 325.431 -0.31845 5.6047 934.05 1040.542 1949 174.386 -247.076 0.70059 -2.4202 1180.208 959.758 1950 412.78 -291.553 2.5476 -7.6428 776.192 451.15 1951 784.522 -426.945 23.947 -13.247 729.9 405.35 1952 1342.872 -800.793 39.615 -14.521 194.708 208.15 1953 1781.782 -1228.558 26.176 -21.272 105.925 39.175 1954 1707.519 -1507.773 26.941 -24.457 11.742 22.875 1955 1410.924 -1607.368 23.629 -28.533 328.467 223.883 1956 834.576 -982.017 12.292 -21.909 1242.767 1151.942 1957 407.4 -363.261 2.6113 -13.375 1446.55 1601.925 1958 270.949 181.704 3.3119 1.9107 1402.5 1608.758 1959 -448.446 195.232 -1.7833 23.565 2277.199 595.775 1960 -1064.568 328.266 -31.662 12.894 1051.7 589.517 1961 -1767.64 493.141 -41.853 8.1695 444.534 168.967 1962 -1913.005 506.922 -30.996 5.2912 324.283 139.208 1963 -1312.253 386.657 -14.95 228.117 59.708 1964 -670.142 341.391 -18.232 7.0013 44.125 9.783 1965 -384.446 426.632 -9.1892 11.523 97.192 16.108 1966 -355.502 509.482 -7.5847 7.4389 535.367 57.2 1967 -327.056 566.736 -3.5006 5.9803 1033.583 485.558 1968 -222.608 559.201 -2.6255 5.6885 961.192 608.567 1969 -153.469 446.755 -1.8962 3.9382 922.541 527.583 1970 156.027 297.724 0.52516 -1.0564 917.975 683.275 1971 176.863 -148.707 1.8774 -1.3481 455.4 534.816 1972 180.179 -138.225 9.2761 -1.8586 328.417 588.266 1973 200.288 -245.912 11.855 -4.2255 227.383 230.175 1974 220.98 -360.146 11.6 -17.422 138.225 260.633 1975 436.519 -504.453 13.8 -11.259 121.95 44.467 1976 773.874 -570.62 11.1 -16.4 95.017 74.75 1977 877.368 -646.037 12.6 -15.8 211.3 135.733 1978 708.331 -732.113 8.2 -9. 854.459 514.075 1979 521.026 -620.197 6.2 -11.4 1289.9 904.625 1980 -491.601 -498.063 -0.7 -3. 933.575 1227.125 1981 -625.252 543.84 -1.8 1. 1078.25 1191.975 1982 -1011.105 631.443 -10. 7.4 1118.883 1164.409 1983 -1448.92 798.044 -19.1 5.6 226.417 717.567 1984 -1407.404 969.605 -19.8 17.8 355.575 455.75 1985 -1067.276 1083.801 -20.807 23.733 81.742 98.4 1986 -716.337 1174.28 -22.765 22.149 75.042 49.658 1987 -398.345 1213.75 -21.949 29.356 97.783 199.008 1988 -205.033 1023.218 -14.209 12.157 675.408 676.784 1989 -184.431 610.485 -10.724 6.0373 1368.574 1210.651 1990 190.116 376.34 1.118 0.9676 1037. 1011.666 Title: Polar Network Index as a magnetic proxy for the solar cycle studies Authors: Priyal M., Banerjee D., Karak B.B., Munoz-Jaramillo A., Ravindra B., Choudhuri A.R., Singh J. Figure: A correlation plot between the strengths of solar cycles and the PNI values at the preceding minima ================================================================================ Byte-by-byte Description of file: dbf3c.txt -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 6 F6.1 yr Obs.Y Year of the solar minima (1) 8- 12 F5.1 --- Rmax Maximum sunspot number of the cycle n+1 14- 22 F9.4 --- PNI KKL Polar Network Index value at end of cycle n 24- 25 I2 --- Cycle Solar cycle number -------------------------------------------------------------------------------- Note (1): The last data point corresponding to solar cycle 22 was not included in the figure as the analysis was restricted up to 1990 and cycle 22 includes the years 1985-1995. -------------------------------------------------------------------------------- 1917.6 105.4 559.59 15 1928.4 78.1 1132.47 16 1937.4 119.2 765.3245 17 1947.5 151.8 450.379 18 1957.9 201.3 1320.418 19 1968.9 110.6 820.369 20 1979.9 164.5 583.0415 21 1989. 158.5 1111.5695 22