\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}