\begin{table} \caption{\label{tab4}Line-strength factors for individual lines (cf. Table~\ref{tab2}) and H$\alpha$ region at all exposures.} \begin{tabular}{rrrrrrrrrrrrr} \hline\hline $ \begin{array}{c}{\rm HJD\hspace*{3mm}}\\ -2~454~000\end{array}$ & {\rm Phase} & 6265.14 & 6343.71 & 6347.10 & 6355.04 & 6358.69 & 6400.01 & 6456.39 & 6663.45 & ${\rm H}_{\alpha~1}$ & ${\rm H}_{\alpha~2}$ & ${\rm H}_{\alpha~3}$ \\ \hline 698.3027 &.2426 & .0822 & .1945 & -.0958 & .1495 & .1788 & .0290 & -.0812 & .0981 & .1646 & -.0497 & -.0258 \\ 702.3672 &.0000 & -.3228 & -.3998 & .1446 & -.4800 & -.6630 & -.2845 & .0459 & -.2972 & -.5038 & .1219 & .0517 \\ 708.4863 &.1403 & -.0631 & .0173 & -.0047 & -.0120 & -.1017 & -.0843 & -.0182 & -.0507 & -.0129 & .0160 & .0057 \\ 708.4925 &.1414 & -.0621 & -.0422 & -.0268 & -.0314 & -.0726 & -.0748 & -.0320 & -.0200 & -.0290 & .0138 & .0024 \\ 709.3067 &.2932 & .1607 & .2827 & -.1163 & .2193 & .2876 & .1056 & -.0488 & .1595 & .2507 & -.0651 & -.0263 \\ 709.3918 &.3090 & .1620 & .2648 & -.1247 & .2376 & .3187 & .1084 & -.0597 & .1801 & .2522 & -.0712 & -.0312 \\ 709.4934 &.3279 & .1702 & .2728 & -.1448 & .2580 & .3411 & .1310 & -.0519 & .1772 & .2757 & -.0802 & -.0356 \\ 710.2962 &.4775 & .3363 & .4138 & -.1619 & .4130 & .5553 & .2653 & -.0381 & .3183 & .4408 & -.1235 & -.0453 \\ 710.3885 &.4947 & .3457 & .4286 & -.1795 & .3925 & .5778 & .2728 & -.0447 & .3195 & .4484 & -.1263 & -.0475 \\ 713.3641 &.0492 & -.2249 & -.2079 & .1028 & -.2110 & -.3964 & -.1825 & .0373 & -.1871 & -.2661 & .0813 & .0378 \\ 719.2701 &.1498 & -.0248 & .0455 & .0164 & -.0269 & -.0686 & -.0543 & -.0114 & -.0041 & .0258 & .0100 & .0055 \\ 719.3365 &.1622 & -.0085 & .0665 & -.0107 & .0285 & .0198 & -.0346 & -.0035 & .0099 & .0585 & .0068 & .0061 \\ 719.3823 &.1707 & -.0118 & .0725 & -.0072 & .0273 & .0343 & -.0359 & -.0136 & .0258 & .0646 & -.0012 & -.0001 \\ 719.4983 &.1923 & .0241 & .1042 & -.0507 & .0600 & .0720 & -.0009 & -.0390 & .0466 & .1049 & -.0176 & -.0089 \\ 719.5025 &.1931 & .0314 & .1309 & -.0362 & .0719 & .0455 & -.0135 & -.0307 & .0359 & .1078 & -.0157 & -.0061 \\ 719.5764 &.2069 & .0527 & .1196 & -.0483 & .1092 & .1192 & .0041 & -.0419 & .0652 & .1261 & -.0264 & -.0130 \\ 736.4506 &.3513 & .1779 & .2870 & -.1361 & .2601 & .3609 & .1495 & -.0662 & .1972 & .2877 & -.0917 & -.0421 \\ 737.2522 &.5007 & .3512 & .4208 & -.1832 & .4199 & .5960 & .2792 & -.0423 & .3434 & .4505 & -.1257 & -.0469 \\ 737.4991 &.5467 & .3798 & .4295 & -.1712 & .4397 & .6185 & .2893 & -.0264 & .3426 & .4776 & -.1349 & -.0505 \\ 737.6202 &.5693 & .3756 & .4485 & -.1599 & .4454 & .6012 & .3005 & -.0385 & .3456 & .4745 & -.1365 & -.0540 \\ 738.2559 &.6877 & .3053 & .3395 & -.0703 & .3159 & .5363 & .2469 & .0079 & .2631 & .4079 & -.0913 & -.0403 \\ 738.3353 &.7025 & .2544 & .2399 & -.0595 & .2531 & .4621 & .1909 & .0302 & .2182 & .3824 & -.0810 & -.0408 \\ 738.4407 &.7222 & .1818 & .1591 & -.0076 & .1638 & .3267 & .1410 & .0368 & .1314 & .3433 & -.0588 & -.0372 \\ 738.5058 &.7343 & .1359 & .0316 & .0093 & .0895 & .2559 & .1008 & .0392 & .0850 & .3233 & -.0448 & -.0369 \\ 738.5121 &.7355 & .1265 & .0375 & .0330 & .0729 & .2478 & .1011 & .0511 & .0796 & .3302 & -.0435 & -.0353 \\ 738.5852 &.7491 & .0666 & -.0804 & .0751 & -.0164 & .0764 & .0393 & .0582 & -.0128 & .2784 & -.0145 & -.0283 \\ 744.3990 &.8325 & -.5208 & -.7354 & .2252 & -.6206 & -.8432 & -.3233 & .0891 & -.5007 & -.5875 & .2436 & .1080 \\ 751.2407 &.1074 & -.1120 & -.0517 & .0590 & -.1096 & -.1948 & -.1219 & -.0007 & -.0718 & -.0941 & .0380 & .0145 \\ 751.2445 &.1081 & -.0881 & -.0494 & .0627 & -.0886 & -.1729 & -.1202 & .0065 & -.0581 & -.0913 & .0377 & .0150 \\ 752.2419 &.2940 & .1563 & .2657 & -.0964 & .2344 & .2906 & .1015 & -.0583 & .1596 & .2276 & -.0672 & -.0287 \\ 752.3239 &.3093 & .1694 & .2572 & -.1106 & .2262 & .3124 & .1120 & -.0581 & .1696 & .2443 & -.0740 & -.0329 \\ 752.3612 &.3162 & .1713 & .2825 & -.1142 & .2405 & .3249 & .1205 & -.0593 & .1746 & .2609 & -.0765 & -.0336 \\ 757.2615 &.2294 & .0788 & .1843 & -.0666 & .1306 & .1272 & .0300 & -.0417 & .0791 & .1495 & -.0353 & -.0166 \\ 758.3017 &.4232 & .2640 & .3692 & -.1577 & .3261 & .4534 & .2066 & -.0491 & .2440 & .3620 & -.1138 & -.0507 \\ 761.4677 &.0132 & -.3306 & -.4034 & .1500 & -.3557 & -.5652 & -.2592 & .0193 & -.2993 & -.4691 & .1000 & .0386 \\ 771.2950 &.8445 & -.5584 & -.7611 & .2783 & -.7125 & -.9788 & -.3885 & .0890 & -.5658 & -.8165 & .2429 & .1093 \\ 771.3017 &.8457 & -.5683 & -.8052 & .2690 & -.7677 & -.9505 & -.3981 & .0913 & -.5304 & -.8146 & .2429 & .1100 \\ 772.2613 &.0245 & -.2594 & -.2781 & .1527 & -.3165 & -.4674 & -.2314 & .0402 & -.2163 & -.4133 & .1053 & .0466 \\ 774.2135 &.3883 & .2071 & .3127 & -.1345 & .3166 & .4022 & .1728 & -.0439 & .2210 & .3391 & -.1006 & -.0412 \\ 776.1982 &.7582 & -.0143 & -.1265 & .0966 & -.0651 & -.0183 & .0098 & .0719 & -.0697 & .2625 & .0126 & -.0146 \\ 776.2430 &.7665 & -.0260 & -.1824 & .1273 & -.1452 & -.0833 & -.0207 & .0843 & -.1136 & .2290 & .0452 & .0006 \\ 776.2868 &.7747 & -.0914 & -.2949 & .1402 & -.1773 & -.1585 & -.0507 & .0838 & -.1767 & .1790 & .0836 & .0207 \\ 776.2972 &.7766 & -.0859 & -.3156 & .1466 & -.2221 & -.2148 & -.0736 & .0954 & -.1786 & .1704 & .0951 & .0262 \\ 781.2311 &.6960 & .2466 & .2483 & -.0620 & .2925 & .4941 & .2083 & .0174 & .2111 & .3797 & -.0863 & -.0433 \\ 798.3846 &.8925 & -.6794 & -.9454 & .2519 & -.7883 &-1.0806 & -.4518 & .0747 & -.6174 &-1.1268 & .2184 & .0990 \\ 798.3939 &.8943 & -.6798 & -.9679 & .2774 & -.7770 &-1.1335 & -.4669 & .0799 & -.6073 &-1.1220 & .2183 & .0995 \\ 798.4495 &.9046 & -.6331 & -.8344 & .2701 & -.7342 &-1.0309 & -.4408 & .0748 & -.5710 &-1.0990 & .2093 & .0942 \\ 824.3317 &.7277 & .1312 & .0625 & -.0206 & .1002 & .2414 & .1081 & .0435 & .0733 & .3419 & -.0566 & -.0400 \\ 843.2488 &.2528 & .0637 & .1961 & -.1087 & .1569 & .1600 & .0467 & -.0507 & .0811 & .1681 & -.0553 & -.0287 \\ 857.2159 &.8555 & -.6509 & -.8872 & .2686 & -.7922 &-1.2336 & -.4391 & .0873 & -.6319 & -.9423 & .2389 & .1094 \\ 910.6409 &.8111 & -.3374 & -.5566 & .2064 & -.5274 & -.6323 & -.2376 & .0936 & -.3928 & -.2223 & .2320 & .1034 \\ 923.5714 &.2207 & .0640 & .1649 & -.0442 & .1104 & .1402 & .0178 & -.0479 & .0640 & .1309 & -.0367 & -.0191 \\ 923.6211 &.2299 & .0494 & .1752 & -.0479 & .1604 & .1351 & .0278 & -.0341 & .0519 & .1435 & -.0438 & -.0223 \\ 927.5339 &.9591 & -.4009 & -.5680 & .2103 & -.5540 & -.8438 & -.3840 & .0482 & -.4500 & -.8135 & .1525 & .0638 \\ 928.4066 &.1217 & -.0681 & -.0455 & .0547 & -.0924 & -.1163 & -.0973 & -.0391 & -.0687 & -.0858 & .0124 & -.0046 \\ 928.4523 &.1302 & -.0665 & -.0292 & .0253 & -.0592 & -.1405 & -.0934 & -.0359 & -.0576 & -.0593 & .0078 & -.0055 \\ 928.4885 &.1370 & -.0520 & -.0104 & .0332 & -.0482 & -.0913 & -.0898 & -.0403 & -.0325 & -.0387 & .0029 & -.0076 \\ 928.6318 &.1637 & -.0262 & .0903 & .0027 & .0230 & .0079 & -.0384 & -.0236 & .0081 & .0404 & -.0035 & -.0049 \\ 931.4636 &.6914 & .2908 & .2347 & -.0218 & .3235 & .5266 & .2320 & -.0214 & .2465 & .3901 & -.1184 & -.0646 \\ 931.6042 &.7176 & .1931 & .1321 & -.0038 & .1705 & .3577 & .1551 & .0246 & .1518 & .3506 & -.0804 & -.0511 \\ 931.6139 &.7194 & .1966 & .1212 & -.0128 & .1721 & .3544 & .1502 & .0286 & .1391 & .3499 & -.0775 & -.0501 \\ 932.5844 &.9002 & -.6140 & -.8125 & .2560 & -.8086 &-1.1247 & -.4521 & .0753 & -.5533 &-1.1375 & .2081 & .0925 \\ 932.6097 &.9049 & -.5955 & -.8288 & .2492 & -.8191 &-1.1159 & -.4518 & .0821 & -.5350 &-1.0868 & .2048 & .0914 \\ 932.6138 &.9057 & -.6062 & -.7851 & .2597 & -.7683 &-1.0302 & -.4456 & .0788 & -.5772 &-1.1177 & .2054 & .0916 \\ 932.6178 &.9064 & -.6428 & -.7434 & .2541 & -.7506 &-1.0873 & -.4546 & .0782 & -.5523 &-1.1196 & .2050 & .0915 \\ 933.5557 &.0812 & -.1641 & -.1123 & .0679 & -.1756 & -.2754 & -.1572 & .0065 & -.1275 & -.1884 & .0491 & .0165 \\ 934.5024 &.2576 & .1131 & .2151 & -.0909 & .1636 & .2027 & .0592 & -.0651 & .1253 & .1865 & -.0594 & -.0291 \\ 937.5199 &.8199 & -.3956 & -.5863 & .2219 & -.5648 & -.6562 & -.2838 & .0934 & -.4585 & -.3727 & .2369 & .1075 \\ 937.5973 &.8344 & -.5158 & -.6904 & .2402 & -.6457 & -.9161 & -.3619 & .0952 & -.4885 & -.6210 & .2414 & .1099 \\ \hline \end{tabular} \end{table}