\begin{table}%t3 \par \caption{\label{t3}The measured Si II Stark widths.} %\centerline { \begin{tabular}{ccccccccccccc} \hline\hline Transition & $\lambda$ (nm) & $T$ & $W_{\rm m}$ & d & e & f & g & h & i & j & k & z \\ \hline\\[-3.2mm] $\rm 3s3p^2 ~^2D_{3/2}{-} 3s^24f~^2F^{\circ}_{5/2}$ & 207.202 & 15.6 & 12.0 $\pm$ 3.4 & & & & & & & & & \\ $\rm 3s3p^2 ~^2D_{5/2}{-} 3s^24f~^2F^{\circ}_{7/2}$ & 207.270 & 15.6 & 10.0 $\pm$ 3.0 & & & & & & & & & \\ $\rm 3s^23d ~^2D_{3/2}{-} 3s^25f~^2F^{\circ}_{5/2}$ & 290.428 & 15.6 & 311 $\pm$ 62 & & & & & & & & & \\ $\rm 3s^23d ~^2D_{5/2}{-} 3s^25f~^2F^{\circ}_{7/2}$ & 290.569 & 15.6 & 349 $\pm$ 70 & & & & & & & & & \\ $\rm 3s3p^2 ~^2D_{3/2}{-} 3s^24p~^2P^{\circ}_{3/2}$ & 385.366 & 15.0 & 53.5 $\pm$ 9.2 & ~52 & 57 & & & & & & & \\ $\rm 3s3p^2 ~^2D_{5/2}{-} 3s^24p~^2P^{\circ}_{3/2}$ & 385.602 & 15.0 & 49.0 $\pm$ 6.8 & ~50 & 51 & & ~68 & & 107 & 100 & 56 & ~73\\ $\rm 3s3p^2 ~^2D_{3/2}{-} 3s^24p~^2P^{\circ}_{1/2}$ & 386.260 & 15.0 & 43.0 $\pm$ 6.8 & ~50 & 51 & & ~68 & & 105 & ~98 & 48 & ~76\\ $\rm 3s^23d ~^2D_{3/2}{-} 3s^24f~^2F^{\circ}_{5/2}$ & 412.807 & 15.0 & 105 $\pm$ 11 & ~97 & & 131 & ~96 & & 158 & & & \\ $\rm 3s^23d ~^2D_{5/2}{-} 3s^24f~^2F^{\circ}_{7/2}$ & 413.089 & 15.0 & 120 $\pm$ 14 & 101 & & 147 & ~96 & & 160 & & & \\ $\rm 3s^24p ~^2P^{\circ}_{1/2}{-} 3s^24d~^2D_{3/2}$ & 504.103 & 15.0 & 229 $\pm$ 45 & 254 & & 164 & 242 & 390 & 253 & & & \\ $\rm 3s^24p ~^2P^{\circ}_{3/2}{-} 3s^24d~^2D_{5/2}$ & 505.598 & 15.0 & 250 $\pm$ 50 & 258 & & 204 & 240 & 453 & 269 & & & \\ $\rm 3s^24p ~^2P^{\circ}_{1/2}{-} 3s^25s~^2S_{1/2}$ & 595.756 & 12.5 & 292 $\pm$ 58 & 272 & & & 304 & 369 & 278 & & & \\ $\rm 3s^24p ~^2P^{\circ}_{3/2}{-} 3s^25s~^2S_{1/2}$ & 597.893 & 12.5 & 276 $\pm$ 55 & 278 & & & & 408 & 275 & & & \\ $\rm 3s^24s ~^2S_{1/2}{-} 3s^24p~^2P^{\circ}_{3/2}$ & 634.710 & 12.5 & 185 $\pm$ 37 & 113 & & 125 & 124 & & 196 & 214 & & 244\\ $\rm 3s^24s ~^2S_{1/2}{-} 3s^24p~^2P^{\circ}_{1/2}$ & 637.136 & 12.5 & 187 $\pm$ 37 & ~99 & & 123 & 110 & & 193 & 222 & 82 & 234\\ \hline \end{tabular}} \medskip \par Note 3. Our measured Si~II Stark {\it FWHM} ($W_{\rm m}$ in pm) at given $T$ (in $10^3$~K $\pm $14\%) and $N=1\times 10^{23}$~m$^{-3} \pm 13\%$, with estimated accuracies. The $W$~(in pm) values from other experiments are also given: d (Gonzalez et~al. \cite{Gonzalez02}), e (Wollschl\"ager et~al. \cite{Wollschlager97}), f (Per\'ez et~al. \cite{Perez93}), g (Lesage et~al. \cite{Lesage83}), h (Kusch \& Schr\" oder \cite{Kusch82}), i (Lesage et al., \cite{Lesage77}), j (Chiang \& Griem \cite{Chiang78}), k (Puri\'c et~al. \cite{Puric74}), and z (Konjevi\'c et~al. \cite{Konjevic70}) obtained at the following $T$ and $N$: d ($T=18~000$~K, $N = 1.0 \times 10^{23}$~m$^{-3})$, e ($T=14~300$~K, $N = 1.0\times 10^{23}$~m$^{-3}$), f ($T=16~400$~K, $N = 1.0 \times 10^{23}$~m$^{-3})$, g ($T=16~400$~K, $N = 1.0 \times 10^{23}$~m$^{-3})$, h ($T=16~400$~K, $N = 1.0 \times 10^{23}$~m$^{-3})$, i ($T=16~400$~K, $N = 1.0 \times 10^{23}$~m$^{-3})$, j~($T=16~400$~K, $N = 1.0 \times 10^{23}$~m$^{-3}),$ k ($T=16~400$~K, $N = 1.0 \times 10^{23}$~m$^{-3}$), and z ($T=8 500$~K, $N = 1.82 \times 10^{23}$~m$^{-3})$. Atomic data are taken from NIST. \vspace*{2mm} \end{table}