\begin{table}%t2
\caption{\label{table:2}The values of fitting parameters, defined in Eq.~(3),
 for proton excitation 
rate coefficients of transitions in ions Fe XVII--Fe XXIII.}
\par
%\centerline
{\begin{tabular}{c c c c c c c c c c c c}     
\hline\hline\noalign{\smallskip}       
Ref. & Ion & Transition & $p_1$ (cm$^3$~s$^{-1}$) & $p_2$ (eV) & $p_3$ & $p_4$ (eV) & $p_5$ & $p_6$ (eV) & $p_7$ & Accuracy (\%)  & $T_{\rm p}$ (KeV)  \\  
\hline   \noalign{\smallskip}                 
1 &  XVII & $\rm 2s^22p^53s\ ^3P_2{-}2s^22p^53s\ ^1P_1$ & 0.0252 & 1 & 1 & 290 & 2.2 & 100 & 2.5 & 3 & 0.15--1.5\\
1 &  XVII & $\rm 2s^22p^53s\ ^3P_2{-}2s^22p^53s\ ^3P_1$ & 0.069 & 214 & 2 & 567 & 1.94 & 200 & 2.1 & 1.8 & 0.15--1.5\\
1 &  XVII & $\rm 2s^22p^53s\ ^3P_2{-}2s^22p^53s\ ^3P_0$ & 0.0638 & 220 & 2 & 490 & 1.87 & 200 & 2.1 & 3 & 0.15--1.5\\
1 &  XVII & $\rm 2s^22p^53s\ ^1P_1{-}2s^22p^53s\ ^3P_1$ & 0.197 & 219 & 2 & 439 & 1.77 & 200 & 2.1 & 2.6 & 0.15--1.5\\
1 &  XVII & $\rm 2s^22p^53s\ ^1P_1{-}2s^22p^53s\ ^3P_0$ & 0.003 & 247 & 2 & 790 & 2.35 & 200 & 2.1 & 2.3 & 0.15--1.5\\
1 &  XVII & $\rm 2s^22p^53s\ ^3P_0{-}2s^22p^53s\ ^3P_1$ & 0.0205 & 249 & 2.1 & 870 & 2.6 & 250 & 2.1 & 2.7 & 0.15--1.5\\
2 & XVIII & $\rm 2s^22p^5\ ^2P_{3/2}{-}2s^22p^5\ ^2P_{1/2}$ & 0.00109 & 189 & 2 & 743 & 2.33 & 38 & 2.29 & 2.9 & 0.1--4\\
3 &  XIX & $\rm 2s^22p^4\ ^3P_2{-}2s^22p^4\ ^3P_0$ & 0.00945 & 150 & 2.5 & 630 & 2.66 & 150 & 2.8 & 4 & 0.1--5\\
3 &  XIX & $\rm 2s^22p^4\ ^3P_2{-}2s^22p^4\ ^3P_1$ & 0.005 & 165 & 2 & 649 & 2.62 & 150 & 2.8 & 3.7 & 0.1--5\\
3 &  XIX & $\rm 2s^22p^4\ ^3P_0{-}2s^22p^4\ ^3P_1$ & 0.000785 & 70 & 1.4 & 175 & 2.33 & 25 & 2.0 & 1.4 & 0.1--5\\
4 &  XX & $\rm 2s^22p^3\ ^4S_{1/2}{-}2s^22p^3\ ^2D_{3/2}$ & 0.35 & 720 & 1.3 & 1287 & 15 & 670 & 0.9 & 1.2 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^4S_{1/2}{-}2s^22p^3\ ^2D_{5/2}$ & 0.5 & 689 & 1.3 & 3250 & 3 & 670 & 1.05 & 1.6 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^4S_{1/2}{-}2s^22p^3\ ^2P_{1/2}$ & 0.0675 & 1000 & 0.05 & 1160 & 4.8 & 800 & 4 & 4.8 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^4S_{1/2}{-}2s^22p^3\ ^2P_{3/2}$ & 0.00488 & 1000 & 0.05 & 1200 & 4 & 800 & 4 & 2.5 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^2D_{3/2}{-}2s^22p^3\ ^2D_{5/2}$ & 2.16 & 500 & 1.3 & 1500 & 0.7 & 670 & 0.8 & 2.8 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^2D_{3/2}{-}2s^22p^3\ ^2P_{1/2}$ & 2.2 & 500 & 1.33 & 1020 & 1.1 & 670 & 1.3 & 2.8 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^2D_{3/2}{-}2s^22p^3\ ^2P_{3/2}$ & 0.48 & 550 & 1.7 & 4000 & 1.0 & 670 & 1.3 & 1.3 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^2D_{5/2}{-}2s^22p^3\ ^2P_{1/2}$ & 1.64 & 550 & 1.0 & 1100 & 0.4 & 500 & 1.0 & 1.9 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^2D_{5/2}{-}2s^22p^3\ ^2P_{3/2}$ & 1.52 & 555 & 1.25 & 13000 & 0.5 & 500 & 1.0 & 2.1 & 0.05--1.5\\
4 &  XX & $\rm 2s^22p^3\ ^2P_{1/2}{-}2s^22p^3\ ^2P_{3/2}$ & 2.82 & 700 & 1.0 & 670 & 0.45 & 500 & 0.75 & 1.3 & 0.05--1.5\\
5 &  XXI & $\rm 2s^22p^2\ ^3P_0{-}2s^22p^2\ ^3P_1$ & $6.7 \times 10^{-6}$ & 500 & 1.52 & 1875 & 2.05 & 0.5 & 1.2 & 5 & 0.3--15\\
5 &  XXI & $\rm 2s^22p^2\ ^3P_0{-}2s^22p^2\ ^3P_2$ & 0.585 & 530 & 1.35 & 2400 & 1.37 & 260 & 0.85 & 5 & 0.3--15\\
5 &  XXI & $\rm 2s^22p^2\ ^3P_1{-}2s^22p^2\ ^3P_2$ & 0.75 & 510 & 1.0 & 1400 & 1.3 & 260 & 0.75 & 3.5 & 0.3--15\\
6 &  XXII & $\rm 2s^22p\ ^2P_{1/2}{-}2s^22p\ ^2P_{3/2}$ & 0.815 & 720 & 1.01 & 1100 & 1.66 & 330 & 1.24 & 4.4 & 0.9--60\\
6 &  XXII & $\rm 2s2p^2\ ^4P_{1/2}{-}2s2p^2\ ^4P_{3/2}$ & 0.03 & 340 & 1.11 & 1070 & 1.79 & 260 & 1.47 & 4.8 & 0.2--6\\
6 &  XXII & $\rm 2s2p^2\ ^4P_{1/2}{-}2s2p^2\ ^4P_{5/2}$ & 0.475 & 478 & 1.125 & 960 & 1.92 & 500 & 1.7 & 4.4 & 0.2--6\\
6 &  XXII & $\rm 2s2p^2\ ^4P_{3/2}{-}2s2p^2\ ^4P_{5/2}$ & 0.21 & 326 & 1.15 & 910 & 1.47 & 260 & 1.47 & 4.5 & 0.2-6\\
7 &  XXIII & $\rm 2s2p\ ^3P_0{-}2s2p\ ^3P_1$ & 0.007 & 945 & 1.01 & 1345 & 1.99 & 330 & 1.24 & 4 & 0.4--3\\
7 &  XXIII & $\rm 2s2p\ ^3P_0{-}2s2p\ ^3P_2$ & 0.69 & 922 & 0.97 & 858 & 1.5 & 330 & 1.1 & 3.3 & 0.4--3\\
7 &  XXIII & $\rm 2s2p\ ^3P_1{-}2s2p\ ^3P_2$ & 0.62 & 860 & 0.92 & 770 & 1.55 & 330 & 1.15 & 2.1 & 0.4--3\\
\hline                  
\end{tabular}}
\par
\tablebib{(1) Landman (\cite{Landman1985}); (2) Foster et~al. (\cite{Foster1994}); (3) Ryans, R.~S.~I., Keenan, F.~P., \& Reid, R.~H.~G. (unpublished); (4) Bhatia \& Mason (\cite{Bhatia1980}); (5) Ryans et~al. (\cite{Ryans1999b}); (6) Foster et~al. (\cite{Foster1997b}); (7) Ryans et~al. (\cite{Ryans1998}).}\vspace*{3.5mm}
\end{table}