\begin{table}%t3
\caption{Companion hosting giants with their mean metallicities and literature sources.}
\label{plgiants}
%\centering
\small
\begin{tabular}{llrl}
\hline\hline
HIP & HD & [Fe/H] & literature\\
\hline
4297 & 5319 & $+$0.04 & \citet{robinson2007b}\\
8928 & 11977 & $-$0.19 & \citet{dasilva2006}, \citet{sousa2006}\\
10085 & 13189 & $-$0.57 & \citet{schuler2005}, \citet{sousa2006}\\
 & 17092 & $+$0.19 & \citet{niedzielski2007}\\
19921 & 27442 & $+$0.33 & \citet{santos2003}, \citet{valenti2005}\\
20889 & 28305 & $+$0.10 & \citet{mishenina2006}, \citet{schuler2006}, \citet{sato2007}, this work\\
31688 & 47536 & $-$0.64 & \citet{sadakane2005}, \citet{dasilva2006}\\
36616 & 59686 & $+$0.11 & \citet{santos2005}, \citet{sadakane2005}, \citet{mishenina2006}, this work\\
37826 & 62509 & $+$0.06 & \citet{sadakane2005}, \citet{luck2007}, this work\\
42527 & 73108 & $-$0.24 & \citet{luck2007}, \citet{dollinger2007}\\
58952 & 104985 & $-$0.29 & \citet{santos2005}, \citet{takeda2005}, \citet{luck2007}\\
68581 & 122430 & $-$0.10 & \citet{dasilva2006}\\
75458 & 137759 & $+$0.07 & \citet{santos2003}, \citet{sadakane2005}, this work\\
92895 & 175541 & $-$0.18 & \citet{valenti2005}\\
93746 & 177830 & $+$0.35 & \citet{santos2003}, \citet{valenti2005}\\
99894 & 192699 & $-$0.26 & \citet{johnson2007}\\
109577 & 210702 & $+$0.01 & \citet{luck2007}, \citet{johnson2007}\\
114855 & 219449 & 0.00 & \citet{santos2005}, \citet{sadakane2005}, \citet{luck2007}, this work\\
116727 & 222404 & $+$0.21 & \citet{luck2007}\\
NGC 2423-3 & BD-13 2130 & $+$0.06 & \citet{twarog1997}\\
\hline
\end{tabular}
\end{table}