\begin{table}%t2
\caption{\label{tab:obs_data}Observational log of the sample galaxies.}
%\centerline
{\begin{tabular}{lccccccc}
\hline \hline
 & \multicolumn{3}{c}{XMM-Newton} & & \multicolumn{3}{c}{Chandra} \\ %\hline
\cline{2-4} \cline{6-8}\noalign{\smallskip}
Galaxy & ObsID$^a$ & exposure$^b$ & total counts$^c$ & & ObsID$^a$ & ACIS & exposure \\
 & & (ks) & ($\times10^3$) & & & & (ks) \\ \hline
IC~1459  & 0135980201 & 25,~26,~21  & 8.9,~14  & & 2196 & ACIS-S & 54  \\
NGC~720  & 0112300101 & 17,~18,~11  & 5.6,~7.1 & & 492  & ACIS-S & 38  \\
NGC~1316 & 0302780101 & 51,~62,~29  & 32,~38   & & 2022 & ACIS-S & 26  \\
NGC~1332 & 0304190101 & 54,~54,~41  & 10,~16   & & 4372 & ACIS-S & 54  \\
NGC~1395 & 0305930101 & 43,~46,~31  & 15,~21   & & 799  & ACIS-I & 15  \\
NGC~1399 & 0012830101 & 3,~3,~3     & 7.1,~10  & & 240  & ACIS-S & 43  \\
NGC~1549 & 0205090201 & 8,~8,~6     & 0.4,~1.0 & & ---  & ---    & --- \\
NGC~3585 & 0071340201 & 11,~11,~7   & 0.6,~0.9 & & 2078 & ACIS-S & 35  \\
NGC~3607 & 0099030101 & 14,~14,~6   & 2.5,~1.9 & & 2073 & ACIS-I & 38  \\
NGC~3665 & 0052140201 & 23,~24,~19  & 2.3,~4.2 & & 3222 & ACIS-I & 18  \\
NGC~3923 & 0027340101 & 32,~32,~24  & 11,~18   & & 1563 & ACIS-S & 19  \\
NGC~4365 & 0205090101 & 25,~25,~21  & 3.8,~7.1 & & 5923 & ACIS-S & 37  \\
NGC~4382 & 0201670101 & 16,~16,~14  & 3.0,~5.6 & & 2016 & ACIS-S & 39  \\
NGC~4472 & 0200130101 & 79,~80,~--- & 300,~--- & & 321  & ACIS-S & 37  \\
NGC~4477 & 0112552101 & 13,~13,~7   & 1.7,~1.9 & & ---  & ---    & --- \\
NGC~4526 & 0205010201 & 20,~20,~16  & 1.7,~3.0 & & 3925 & ACIS-S & 41  \\
NGC~4552 & 0141570101 & 21,~22,~15  & 10,~15   & & 2072 & ACIS-S & 53  \\
NGC~4636 & 0111190701 & 58,~58,~50  & 210,~320 & & 4415 & ACIS-I & 73  \\
NGC~4649 & 0021540201 & 46,~46,~36  & 84,~120  & & 785  & ACIS-S & 31  \\
NGC~5044 & 0037950101 & 17,~17,~8   & 130,~92  & & 3225 & ACIS-S & 82  \\
NGC~5322 & 0071340501 & 16,~15,~12  & 1.0,~1.5 & & ---  & ---    & --- \\
NGC~5846 & 0021540501 & 13,~13,~9   & 25,~28   & & 788  & ACIS-S & 24  \\
\hline\end{tabular}}
\smallskip
\par
$^a$~Observation number of the XMM-Newton and Chandra
 data.\\
$^b$~Exposure time of the EPIC-MOS1, MOS2, and PN,
 respectively.\\
$^c$~Total counts within 4~$r_{\rm e}$ at 0.3--2.0~keV of the
 MOS (MOS1 + MOS2) and PM, respectively.\\
\end{table}