\begin{table}%T6 \caption{\label{hy_m} Measurements of the observed hydrogen Balmer emission lines.} %\centering \small \begin{tabular}{rcccrrrccc} \hline \hline \noalign{\smallskip} HD & $I_{\rm p}$ &$I_{\rm b}$ &$I_{\rm r}$ & $D_{\rm p}$ & $D_{1/2}$ & $D_1$ & $W_{\lambda}$ & $W_{\rm cd}$ & Npeaks \\ \cline{5-7} & & & & & km s$^{-1}$ & & \AA & \AA & \\ \hline \multicolumn{10}{c}{H$\alpha$}\\ \noalign{\smallskip} 41335 & 0.000 & 4.188 & 3.593 & 197 & 464 & 1364 & $-$31.155 & 0.331 & 2 \\ 45725 & 0.000 & 4.136 & 4.236 & 147 & 428 & 1446 & $-$33.197 & 0.361 & 2 \\ 48917 & 0.000 & 3.725 & 3.795 & 107 & 337 & 1433 & $-$23.665 & 0.110 & 2 \\ 50013 & 5.691 & 0.000 & 0.000 & 0 & 356 & 823 & $-$28.292 & 0.000 & 1 \\ 56139 & 3.465 & 0.000 & 0.000 & 0 & 205 & 625 & $-$10.731 & 0.000 & 1 \\ 58978 & 1.882 & 1.714 & 1.849 & 354 & 608 & 1500 & $-$12.105 & 0.000 & 3 \\ 63462 & 0.000 & 2.177 & 1.992 & 182 & 499 & 1171 & $-$12.623 & 0.117 & 2 \\ 88661 & 0.000 & 4.778 & 3.999 & 111 & 288 & 924 & $-$23.970 & 0.156 & 2 \\ 91465 & 0.000 & 4.073 & 4.119 & 95 & 379 & 1385 & $-$28.726 & 0.041 & 2 \\ 105435 & --- & --- & --- & --- & --- & --- & --- & --- & ---\\ 110335 & 0.000 & 3.690 & 3.639 & 95 & 299 & 809 & $-$18.628 & 0.146 & 2 \\ 112091 & 0.000 & 5.482 & 5.510 & 62 & 252 & 755 & $-$26.243 & 0.031 & 2 \\ 120991 & 4.587 & 0.000 & 0.000 & 0 & 170 & 872 & $-$16.174 & 0.000 & 1 \\ 124367 & 0.000 & 5.960 & 5.980 & 92 & 319 & 1324 & $-$39.113 & 0.070 & 2 \\ 148184 & 11.000 & 0.000 & 0.000 & 0 & 151 & 1214 & $-$42.838 & 0.000 & 1 \\ 157042 & --- & --- & --- & --- & ---& --- & --- & --- & ---\\ 158427 & 0.000 & 4.694 & 4.477 & 124 & 389 & 1522 & $-$33.478 & 0.121 & 2 \\ 164284 & 0.000 & 7.091 & 7.036 & 86 & 304 & 1031 & $-$44.220 & 0.070 & 2 \\ \noalign{\smallskip} \multicolumn{10}{c}{H$\beta$}\\ \noalign{\smallskip} 41335 & 0.000 & 1.540 & 1.502 & 221 & 376 & 755 & $-$2.901 & 0.294 & 2 \\ 45725 & 0.000 & 1.589 & 1.596 & 219 & 380 & 648 & $-$3.155 & 0.457 & 2 \\ 48917 & 0.000 & 1.423 & 1.407 & 188 & 316 & 653 & $-$2.091 & 0.165 & 2 \\ 50013 & 0.000 & 1.629 & 1.625 & 162 & 307 & 866 & $-$3.325 & 0.101 & 2 \\ 56139 & 0.000 & 1.359 & 1.363 & 45 & 168 & 320 & $-$1.008 & 0.004 & 2 \\ 58978 & 0.000 & 1.158 & 1.157 & 331 & 478 & 774 & $-$0.956 & 0.299 & 2 \\ 63462 & 0.000 & 1.270 & 1.220 & 249 & 456 & 783 & $-$1.778 & 0.094 & 2 \\ 88661 & 0.000 & 1.719 & 1.554 & 144 & 280 & 836 & $-$3.084 & 0.170 & 2 \\ 91465 & 0.000 & 1.568 & 1.461 & 158 & 344 & 1094 & $-$3.046 & 0.140 & 2 \\ 105435 & 0.000 & 1.934 & 1.715 & 117 & 251 & 730 & $-$3.486 & 0.117 & 2 \\ 110335 & 0.000 & 1.398 & 1.392 & 176 & 314 & 625 & $-$1.770 & 0.247 & 2 \\ 112091 & 0.000 & 1.418 & 1.417 & 135 & 290 & 573 & $-$1.984 & 0.087 & 2 \\ 120991 & 2.147 & 0.000 & 0.000 & 0 & 108 & 344 & $-$2.204 & 0.000 & 1 \\ 124367 & 0.000 & 1.547 & 1.571 & 208 & 349 & 890 & $-$3.404 & 0.192 & 2 \\ 148184 & 2.981 & 0.000 & 0.000 & 0 & 133 & 646 & $-$4.912 & 0.000 & 1 \\ 157042 & 0.000 & 1.283 & 1.443 & 220 & 391 & 802 & $-$2.203 & 0.256 & 2 \\ 158427 & 0.000 & 1.492 & 1.429 & 192 & 378 & 825 & $-$2.798 & 0.177 & 2 \\ 164284 & 0.000 & 1.681 & 1.769 & 153 & 320 & 740 & $-$3.704 & 0.184 & 2 \\ \noalign{\smallskip} \multicolumn{10}{c}{H$\gamma$}\\ \noalign{\smallskip} 41335 & 0.000 & 1.138 & 1.152 & 222 & 379 & 688 & $-$0.623 & 0.181 & 2 \\ 45725 & 0.000 & 1.160 & 1.166 & 232 & 366 & 532 & $-$0.498 & 0.318 & 2 \\ 48917 & 0.000 & 1.122 & 1.092 & 217 & 303 & 687 & $-$0.366 & 0.163 & 2-3 \\ 50013 & 0.000 & 1.177 & 1.182 & 166 & 308 & 430 & $-$0.704 & 0.099 & 2 \\ 56139 & 0.000 & 1.114 & 1.112 & 55 & 167 & 289 & $-$0.280 & 0.005 & 2 \\ 58978 & 0.000 & 1.094 & 1.085 & 312 & 471 & 611 & $-$0.457 & 0.202 & 2 \\ 63462 & 0.000 & 1.112 & 1.082 & 286 & 501 & 779 & $-$0.597 & 0.089 & 2 \\ 88661 & 0.000 & 1.195 & 1.168 & 163 & 284 & 633 & $-$0.687 & 0.127 & 2 \\ 91465 & 0.000 & 1.152 & 1.107 & 180 & 362 & 663 & $-$0.585 & 0.082 & 2 \\ 105435 & 0.000 & 1.243 & 1.187 & 139 & 260 & 469 & $-$0.753 & 0.080 & 2 \\ 110335 & 0.000 & 1.142 & 1.131 & 194 & 323 & 522 & $-$0.497 & 0.143 & 2 \\ 112091 & 0.000 & 1.069 & 1.061 & 187 & 284 & 413 & $-$0.201 & 0.073 & 2 \\ 120991 & 1.520 & 0.000 & 0.000 & 0 & 110 & 273 & $-$0.872 & 0.000 & 1 \\ 124367 & 0.000 & 1.095 & 1.097 & 204 & 331 & 560 & $-$0.384 & 0.115 & 2 \\ 148184 & 0.000 & 1.694 & 1.639 & 33 & 154 & 445 & $-$1.619 & 0.000 & 2 \\ 157042 & 0.000 & 1.085 & 1.114 & 269 & 390 & 555 & $-$0.365 & 0.186 & 2 \\ 158427 & 0.000 & 1.086 & 1.069 & 223 & 360 & 507 & $-$0.307 & 0.121 & 2 \\ 164367 & 0.000 & 1.172 & 1.216 & 262 & 311 & 520 & $-$0.772 & 0.120 & 2 \\ \hline \multicolumn{10}{c}{H$\delta$}\\ \noalign{\smallskip} 41335 & 0.000 & 1.063 & 1.074 & 251 & 0 & 621 & $-$0.286 & 0.124 & 2 \\ 45725 & 0.000 & 1.041 & 1.031 & 289 & 0 & 0 & $-$0.089 & 0.307 & 2 \\ 48917 & 0.000 & 1.109 & 1.055 & 244 & 404 & 688 & $-$0.364 & 0.150 & 2-3 \\ 50013 & 0.000 & 1.098 & 1.059 & 197 & 317 & 477 & $-$0.259 & 0.084 & 2 \\ 56139 & 0.000 & 1.048 & 1.048 & 84 & 176 & 287 & $-$0.113 & 0.009 & 2 \\ 58978 & 0.000 & 1.043 & 1.050 & 307 & 490 & 560 & $-$0.232 & 0.082 & 2 \\ 63462 & 0.000 & 1.086 & 1.039 & 358 & 521 & 732 & $-$0.320 & 0.123 & 2 \\ 88661 & 0.000 & 1.067 & 1.080 & 195 & 313 & 599 & $-$0.265 & 0.088 & 2 \\ 91465 & 0.000 & 1.052 & 1.011 & 200 & 0 & 381 & $-$0.085 & 0.046 & 2 \\ 105435 & 0.000 & 1.090 & 1.070 & 155 & 276 & 458 & $-$0.255 & 0.064 & 2 \\ 110335 & 0.000 & 1.076 & 1.070 & 209 & 377 & 632 & $-$0.299 & 0.099 & 2 \\ 110335 & 0.000 & 1.076 & 1.070 & 209 & 377 & 632 & $-$0.299 & 0.099 & 2 \\ 112091 & 0.000 & 1.050 & 1.039 & 204 & 356 & 461 & $-$0.155 & 0.054 & 2 \\ 120991 & 1.310 & 0.000 & 0.000 & 0 & 121 & 263 & $-$0.539 & 0.000 & 1 \\ 124367 & 0.000 & 1.037 & 1.030 & 208 & 317 & 433 & $-$0.096 & 0.051 & 2 \\ 148184 & 0.000 & 1.379 & 1.339 & 44 & 171 & 481 & $-$0.953 & 0.000 & 2 \\ 157042 & 0.000 & 1.070 & 1.062 & 273 & 399 & 555 & $-$0.261 & 0.097 & 2 \\ 158427 & 0.000 & 1.050 & 1.040 & 238 & 363 & 563 & $-$0.165 & 0.064 & 2 \\ 164284 & 0.000 & 1.054 & 1.061 & 207 & 324 & 505 & $-$0.207 & 0.079 & 2 \\ \hline \end{tabular} \par \medskip $I_{\rm p}$, $I_{\rm b}$, and $I_{\rm r}$ = intensities of the peak of one-peaked line profiles, the blue and red peak intensities of two-peaked line profiles; $D_{\rm p}$, $D_{1/2}$, and $D_{1}$~= separation of emission peaks, width of lines at half intensity and at $I/I_{\rm c}=1.0$ in velocity units; $W_{\lambda}$ = equivalent width; $W_{\rm cd}$~= equivalent width of the central depression; Npeaks~= number of emission peaks. \end{table}