\begin{table}%t5
%\centering
\par
\caption{\label{tab:summary}Summary of the properties of CEMP stars.} 
\par
\small \begin{tabular}{llllll}
\hline \hline
& CEMP-no & CEMP-low-s & CEMP-s &CEMP-rs& Comment\\
\hline
C& medium, $\nearrow$ with Fe&  medium   & high  &  high   & from  AGB or low-Fe SNII  \\
$\rm ^{12}C/^{13}C$ &  low to high    & low to high   & low to high & low to high    & signature of CN cycling\\
N       & high     & high    & high  &  high   & not from HBB, from cool bottom processing, rotation...?\\
O       & high in most   &   std  & std  &  high in some   & SNII or high temperature pulses ? \\
Mg      & high     &  high in some   & std  &     high in some & $^{22}{\rm Ne}(\alpha,n)^{25}{\rm Mg}$ or $^{20}{\rm Ne}(\alpha,\gamma)^{24}$Mg ?\\
Ba      & low     & low    & high   &  very high   & correlated with C for CEMP-s and low-s\\
La      & low     & low    & high   &  very high   & from  $^{13}{\rm C}(\alpha,n)^{16}$O in CEMP-s and $^{22}{\rm Ne}(\alpha,n)^{25}$Mg in CEMP-rs \\
Ce      & low                & low    &  high   & high and cst &   ''''   \\
Eu      & not measurable     &  low   & medium  & high  &  '''' \\
Pb      & not measured       &  low   & medium  & high  &  ''''\\
\hline
\end{tabular}
\end{table}