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Table 2
Parameters of the Gaussian analysis of the broad Hα line profiles.
| Year | Month | Shift | Intensity | Width | FWHM | FWQM | ||||||
| blue | central | red | blue | central | red | blue | central | red | ||||
| km s-1 | km s-1 | km s-1 | km s-1 | km s-1 | km s-1 | km s-1 | km s-1 | |||||
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| 1987 | Jun. | –5083 ± 45 | –877 ± 170 | 5595 ± 222 | 1217 ± 65 | 866 ± 66 | 964 ± 40 | 2180 ± 169 | 4005 ± 678 | 3784 ± 115 | 14300 ± 858 | 16700 ± 1002 |
| 1988 | Mar. | –5250 ± 131 | –638 ± 512 | 5720 ± 106 | 949 ± 131 | 576 ± 21 | 595 ± 24 | 2095 ± 175 | 3978 ± 1132 | 3224 ± 74 | 14500 ± 870 | 16100 ± 966 |
| 1989 | Oct. | –5400 ± 4 | –793 ± 293 | 4983 ± 447 | 893 ± 9 | 424 ± 58 | 611 ± 18 | 2552 ± 21 | 2714 ± 354 | 4800 ± 336 | 15300 ± 918 | 18100 ± 1086 |
| 1992 | Aug. | –5562 ± 140 | –475 ± 289 | 6392 ± 319 | 701 ± 127 | 607 ± 18 | 560 ± 63 | 2200 ± 306 | 4385 ± 1216 | 3617 ± 185 | 15800 ± 948 | 18100 ± 1086 |
| 1993 | Sep. | –5208 ± 54 | –785 ± 305 | 5263 ± 859 | 1070 ± 28 | 710 ± 72 | 679 ± 30 | 2440 ± 59 | 2770 ± 682 | 4105 ± 853 | 15000 ± 900 | 17200 ± 1032 |
| 1994 | Sep. | –5241 ± 91 | –721 ± 395 | 6019 ± 182 | 658 ± 147 | 487 ± 12 | 576 ± 76 | 1937 ± 288 | 4401 ± 1603 | 3641 ± 79 | 14000 ± 840 | 17000 ± 1020 |
| 1998 | Jul. | –4993 ± 58 | –1239 ± 338 | 4847 ± 642 | 1317 ± 230 | 817 ± 52 | 876 ± 120 | 2246 ± 44 | 3847 ± 1502 | 3631 ± 526 | 14100 ± 846 | 15500 ± 930 |
| 1998 | Sep. | –4949 ± 311 | –1381 ± 539 | 3925 ± 49 | 1165 ± 92 | 504 ± 108 | 675 ± 49 | 2594 ± 243 | 2116 ± 581 | 3925 ± 161 | 14300 ± 858 | 15300 ± 918 |
| 1999 | Nov. | –4981 ± 194 | –453 ± 770 | 5281 ± 337 | 1363 ± 336 | 758 ± 152 | 995 ± 78 | 2344 ± 366 | 4163 ± 1783 | 2957 ± 163 | 14600 ± 876 | 15800 ± 948 |
| 2000 | Jan. | –5040 ± 30 | –682 ± 450 | 5293 ± 460 | 896 ± 233 | 559 ± 40 | 632 ± 167 | 2163 ± 413 | 4805 ± 2733 | 2430 ± 146 | 13800 ± 828 | 15300 ± 918 |
| 2000 | Feb. | –5075 ± 109 | –636 ± 515 | 5214 ± 682 | 1244 ± 79 | 592 ± 40 | 813 ± 51 | 2374 ± 88 | 3084 ± 1273 | 3293 ± 646 | 14100 ± 846 | 15600 ± 936 |
| 2000 | Apr–Jun. | –5001 ± 188 | –842 ± 56 | 5059 ± 491 | 1061 ± 99 | 485 ± 95 | 787 ± 35 | 2598 ± 109 | 2820 ± 1193 | 3802 ± 485 | 14300 ± 858 | 16400 ± 984 |
| 2000 | Jul. | –5095 ± 113 | –1037 ± 52 | 5193 ± 267 | 1198 ± 46 | 507 ± 60 | 944 ± 39 | 2413 ± 80 | 2437 ± 543 | 4013 ± 350 | 14600 ± 876 | 17400 ± 1044 |
| 2000 | Oct. | –5122 ± 312 | –694 ± 433 | 5150 ± 544 | 930 ± 337 | 602 ± 248 | 675 ± 205 | 2406 ± 630 | 4316 ± 2856 | 3070 ± 611 | 14000 ± 840 | 16700 ± 1002 |
| 2001 | Mar–Jun. | –5237 ± 74 | –884 ± 165 | 4929 ± 333 | 1147 ± 33 | 644 ± 37 | 776 ± 10 | 2558 ± 43 | 2817 ± 556 | 3299 ± 354 | 14200 ± 852 | 16500 ± 990 |
| 2001 | Aug. | –5135 ± 119 | –957 ± 59 | 4459 ± 490 | 1214 ± 47 | 546 ± 117 | 788 ± 21 | 2613 ± 75 | 2514 ± 633 | 4254 ± 445 | 14300 ± 858 | 17000 ± 1020 |
| 2002 | Mar. | –5058 ± 336 | –959 ± 121 | 4779 ± 873 | 1041 ± 121 | 511 ± 192 | 661 ± 15 | 2636 ± 341 | 2742 ± 1405 | 3684 ± 784 | 14200 ± 852 | 16100 ± 966 |
| 2002 | Apr–Aug. | –5027 ± 288 | –666 ± 172 | 5008 ± 465 | 951 ± 76 | 466 ± 116 | 653 ± 10 | 2906 ± 230 | 2673 ± 955 | 3613 ± 463 | 14400 ± 864 | 16900 ± 1014 |
| 2003 | Mar. | –5097 ± 238 | –1160 ± 308 | 5034 ± 370 | 978 ± 55 | 537 ± 87 | 592 ± 5 | 2311 ± 258 | 2496 ± 689 | 3831 ± 420 | 14000 ± 840 | 16100 ± 966 |
| 2003 | May | –5129 ± 124 | –800 ± 283 | 4717 ± 833 | 1210 ± 13 | 564 ± 193 | 786 ± 8 | 2444 ± 243 | 2553 ± 968 | 4425 ± 1043 | 14100 ± 846 | 16800 ± 1008 |
| 2003 | Sep. | –5130 ± 126 | –684 ± 446 | 4708 ± 979 | 930 ± 40 | 421 ± 148 | 640 ± 16 | 2534 ± 365 | 932 ± 4016 | 3374 ± 820 | 14300 ± 858 | 16600 ± 996 |
| 2004 | Mar. | –5185 ± 66 | –865 ± 192 | 5568 ± 292 | 698 ± 184 | 533 ± 67 | 593 ± 150 | 2027 ± 406 | 5318 ± 2233 | 3494 ± 363 | 14600 ± 876 | 17600 ± 1056 |
| 2004 | Apr. | –5085 ± 132 | –816 ± 251 | 4818 ± 824 | 857 ± 26 | 349 ± 123 | 542 ± 40 | 2551 ± 343 | 2851 ± 1284 | 4043 ± 652 | 14400 ± 864 | 16500 ± 990 |
| 2004 | May–Jun. | –5015 ± 232 | –774 ± 464 | 5143 ± 315 | 860 ± 100 | 374 ± 80 | 538 ± 33 | 2637 ± 206 | 3181 ± 1081 | 3970 ± 217 | 14100 ± 846 | 16400 ± 984 |
| 2004 | Aug. | –5070 ± 194 | –649 ± 76 | 5269 ± 605 | 811 ± 41 | 411 ± 53 | 528 ± 17 | 2798 ± 208 | 2553 ± 1049 | 3132 ± 566 | 14600 ± 876 | 16500 ± 990 |
| 2004 | Dec. | –4995 ± 93 | –788 ± 300 | 5321 ± 531 | 860 ± 61 | 519 ± 21 | 775 ± 6 | 2837 ± 12 | 2717 ± 1004 | 3686 ± 634 | 14800 ± 888 | 18000 ± 1080 |
| 2005 | Feb–Mar. | –5150 ± 124 | –631 ± 522 | 4893 ± 482 | 802 ± 39 | 375 ± 42 | 654 ± 60 | 3007 ± 76 | 2907 ± 1185 | 3490 ± 501 | 14600 ± 876 | 16900 ± 1014 |
| 2005 | Apr. | –5151 ± 219 | –774 ± 246 | 4757 ± 692 | 797 ± 4 | 395 ± 121 | 611 ± 15 | 2552 ± 641 | 2664 ± 1108 | 3482 ± 685 | 14500 ± 870 | 17000 ± 1020 |
| 2005 | Jun–Aug. | –5237 ± 240 | –927 ± 104 | 4887 ± 521 | 838 ± 34 | 389 ± 113 | 645 ± 19 | 2707 ± 423 | 2738 ± 1072 | 3485 ± 515 | 14700 ± 882 | 16900 ± 1014 |
| 2005 | Dec. | –5128 ± 270 | –1044 ± 62 | 4884 ± 294 | 855 ± 53 | 420 ± 85 | 690 ± 5 | 2804 ± 162 | 2369 ± 762 | 3990 ± 317 | 14800 ± 888 | 17800 ± 1068 |
| 2006 | Mar–Apr. | –5065 ± 257 | –800 ± 283 | 4710 ± 759 | 923 ± 41 | 351 ± 210 | 524 ± 13 | 2826 ± 609 | 2078 ± 878 | 4129 ± 751 | 14500 ± 870 | 17000 ± 1020 |
| 2006 | Aug. | –5039 ± 273 | –1106 ± 149 | 4655 ± 752 | 1056 ± 90 | 496 ± 156 | 594 ± 17 | 2442 ± 283 | 2585 ± 1007 | 3684 ± 584 | 13700 ± 822 | 15200 ± 912 |
| 2007 | May–Jul. | –5164 ± 391 | –1414 ± 585 | 4688 ± 587 | 1133 ± 172 | 652 ± 172 | 605 ± 2 | 2389 ± 402 | 2583 ± 1024 | 3590 ± 397 | 13400 ± 804 | 15300 ± 918 |
| 2007 | Aug. | –5163 ± 327 | –1202 ± 286 | 4643 ± 646 | 1019 ± 67 | 624 ± 146 | 596 ± 8 | 2405 ± 437 | 2497 ± 704 | 3256 ± 370 | 13900 ± 834 | 15700 ± 942 |
| 2009 | May | –5265 ± 223 | –981 ± 21 | 5420 ± 401 | 629 ± 55 | 373 ± 33 | 490 ± 15 | 2718 ± 117 | 2632 ± 933 | 3411 ± 589 | 14900 ± 894 | 17700 ± 1062 |
| 2009 | Jul–Aug. | –5249 ± 528 | –1326 ± 461 | 4753 ± 511 | 769 ± 65 | 376 ± 170 | 568 ± 11 | 2927 ± 616 | 2167 ± 1179 | 3654 ± 314 | 14900 ± 894 | 16400 ± 984 |
| 2010 | Apr–Jun. | –5363 ± 211 | –1190 ± 268 | 3724 ± 1983 | 704 ± 63 | 335 ± 255 | 478 ± 62 | 2602 ± 165 | 2106 ± 1256 | 5717 ± 3209 | 14700 ± 882 | 16700 ± 1002 |
| 2012 | Sep–Oct. | –5581 ± 135 | –1173 ± 244 | 5274 ± 477 | 612 ± 4 | 274 ± 40 | 283 ± 24 | 1981 ± 249 | 2384 ± 415 | 3893 ± 630 | 14700 ± 882 | 16500 ± 990 |
| 2013 | Apr–Jun. | –5056 ± 86 | –792 ± 295 | 4676 ± 993 | 537 ± 6 | 241 ± 91 | 333 ± 4 | 2823 ± 66 | 2365 ± 675 | 4499 ± 877 | 14800 ± 888 | 16800 ± 1008 |
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| mean | –5148 ± 143 | –887 ± 240 | 5016 ± 486 | 946 ± 208 | 504 ± 141 | 649 ± 150 | 2502 ± 269 | 2955 ± 880 | 3728 ± 553 | 14431 ± 448 | 16618 ± 790 | |
Notes. Columns: shifts, intensities (given in 10-16 erg cm-2 s-1 Å-1), width of the blue, central, and red Gaussian. Measurements of the FWHM and FWQM are also listed.
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