\begin{table}%t4 \caption{\label{hafittbl} Initial parameters for the intermediate and broad Gaussian fits to spectral lines in SN~2007rt. } %\centerline {\tiny \begin{tabular}{llccc} \hline \hline Line & Day & $\lambda$ & {FWHM} & Intensity\\ & \AA & \kms & 10$^{-15}$~erg~s$^{-1}$~cm$^{2}$\\ \hline He {\sc i} 3926 & 102 & 3919.12 & 7340 & 13.43 \\ broad & 106 & 3919.36 & 6482 & 16.95 \\ & 131 & 3924.15 & 6463 & 11.85 \\ & 160 & 3918.89 & 6004 & 8.63 \\ & 208 & 3925.70 & 4850 & 6.97 \\ & 240 & 3921.51 & 4948 & 7.76 \\ & 273 & 3930.00 & 4155 & 6.53 \\ %\hline H$_{\gamma}$ 4340& 102 & 4318.15 & 5808 & 9.39 \\ Inter. & 106 & 4321.20 & 5114 & 6.31 \\ & 131 & 4316.22 & 4851 & 6.99 \\ & 160 & 4317.16 & 5683 & 7.37 \\ & 208 & 4344.80 & 4649 & 6.74 \\ & 240 & 4330.00 & 4743 &6.76 \\ % & 273 & 4329.20 & 2318 & 3.68 \\ & 497 & 4337.32 & 3992 & 1.16 \\ %\hline H$_{\beta}$ 4861 & 102 & 4847.43 & 3850& 15.31 \\ Inter. & 106 & 4852.75 & 4151 & 16.80 \\ & 131 & 4851.27 & 4046 & 19.64 \\ & 160 & 484714 & 4099 & 24.52 \\ & 208 & 4856.45 & 3638 & 20.63 \\ & 240 & 4852.49 & 3258 & 24.78 \\ & 273 & 4852.13 & 2678 & 16.04 \\ & 497 & 4851.03& 1673 & 2.98\\ & 507 & 4849.14 & 1614 & 2.35 \\ %\hline He {\sc i} 5875 & 102 & 5860.11 & 10279 & 24.11 \\ broad & 106 & 5872.61 & 9640 & 20.77 \\ & 131 & 5870.01 & 9729 & 19.05 \\ & 160 & 5869.47 & 10146 & 17.89 \\ & 208 & 5872.93 & 9834 & 11.56 \\ & 240 & 5867.50 & 8080 & 11.07 \\ & 475 & 5837.26 & 4466 & 1.74 \\ & 497 & 5848.50 & 4538 & 1.77 \\ &507 & 5835.03 & 4057 & 1.58 \\ %\hline He {\sc i} 5875 & 475 & 5872.62 & 1072 & 0.63\\ Inter.* & 507 & 5872.61 & 1318 & 0.52 \\ %\hline H$_{\alpha}$ 6563& 102 & 6543.71 & 10136 & 121.68 \\ broad & 106 & 6546.19& 10113 & 145.75 \\ & 131 & 6545.41& 8793 & 145.94 \\ & 153 & 6543.88 & 8244 & 139.41 \\ & 160 & 6550.00 & 8489 & 179.92 \\ & 208 & 6553.00 & 7285 & 149.68 \\ &240 & 6548.34 & 6835 & 171.70 \\ & 273 & 6541.33 & 6047 & 129.30 \\ & 475 & 6529.07 & 3645 & 42.87 \\ & 497 & 6530.32 & 3593 & 26.61 \\ & 507 & 6530.72 & 3495 & 28.93 \\ %\hline H$_{\alpha}$ 6563& 102 & 6548.29 & 2905 & 24.11 \\ Inter. & 106 & 6552.01 & 2687 & 27.02 \\ & 131 & 6555.53 & 2179 & 24.30 \\ & 153 & 6555.35 & 2195 & 29.38 \\ & 160 & 6554.89 & 2212 & 33. 85 \\ & 208 & 6562.25 & 1734 & 33.40 \\ & 240 & 6557.58 & 1824 & 53.87 \\ & 273 & 6553.28& 1812 & 53.08 \\ & 475 & 6549.65 & 1353 & 40.20 \\ & 497 & 6551.11 & 1357 & 26.40 \\ & 507 &6550.96 & 1335 & 27.72 \\ %\hline O {\sc i} 8446 & 273 & 8441.22 & 2980 & 12.59 \\ inter. & 497 & 8433.39 & 1399 & 3.15 \\ & 507&8434.35 & 1244 & 2.45\\ %\hline Ca {\sc ii} & 102 & 8550.00 & 12982 & 118.48 \\ broad & 106 & 8540.47& 11541 & 101.92 \\ & 131 & 8553.22 & 11651 & 72.96 \\ & 160 & 8552.43 & 12486 & 117.55 \\ &273 & 8544.40& 8750 & 44.89 \\ &475 & 8535.883 & 8570 & 7.32 \\ \hline \end{tabular}} \medskip * An intermediate He {\sc i} 5875~\AA\ line was detected at 475 \& 507 days. Prior to that only weak narrow and broad components were present. \end{table}