\begin{table}%t3
\par
\caption{\label{tab3}\lambo~ stars observed with the PUEO adaptive optics.
The note "nothing detected'' means that there is no companion at less than~2~arcsec.  }
%\centering
\par
\begin{tabular}{rccc}
\hline\hline
       HD~& Dates  & Filter & Results     \\  
          & observ.&        &           \\
\hline                        
 64~491  &  4 May 2001 & H2    &  nothing detected      \\   
       &  5 May 2001 & Jcont &  nothing detected     \\  
       &  6 May 2001 & Hcont &  nothing detected     \\  
83~041  &  4 May 2001 & Hcont &  nothing detected      \\    
       &  6 May 2001 & Hcont &  nothing detected    \\  
84~948  &  5 May 2001 & Hcont &  nothing detected    \\
90~821  &  4 May 2001 & Hcont &  nothing detected    \\
101~108 &  5 May 2001 & Hcont &  nothing detected    \\  
105~058 &  5 May 2001 & Hcont &  detection of a star  \\
       &           &       &  250 times fainter \\
       &           &       &  1.5 arsec (northwest) \\  
105~759 &  6 May 2001 & Hcont &  nothing detected      \\                         
\par
106~223 &  4 May 2001 & Hcont &  nothing detected    \\   
111~786 &  4 May 2001 & Hcont &  nothing detected   \\  
       &  5 May 2001 & Jcont &  nothing detected   \\  
112~097 &  6 May 2001 & Hcont &  nothing detected      \\  
118~623 &  4 May 2001 & Hcont &  no other companion    \\
       &           &       &  (see Table~\ref{tab1}) \\ 
120~500 &  6 May 2001 & Hcont &  nothing detected     \\  
125~489 &  6 May 2001 & Hcont &  detection of a star \\
       &           &       &  100 times fainter  \\ 
       &           &       &  1.8 arcsec (northeast) \\
130~158 &  4 May 2001 & Hcont &  nothing detected   \\  
138~527 &  5 May 2001 & Jcont &  detection of a star \\
       &           &       &  20 times fainter \\  
       &           &       &   0.6 arcsec(northwest) \\
       &  6 May 2001 & Hcont &  detection of a star   \\
       &           &       &  20 times fainter \\
       &           &       &   1 arcsec (west) \\
141~851 &  4 May 2001 & Hcont &  detection of a star \\
       &           &       &  3 times fainter \\
       &           &       &  0.15 arcsec (east) \\
       &  6 May 2001 & Hcont &     detection of a star \\
       &           &       &    3 times fainter \\
       &           &       &  0.2 arcsec    \\
142~703 &  4 May 2001 & Hcont &  nothing detected    \\  
153~808 &  4 May 2001 & Hcont &  nothing detected    \\  
       &  6 May 2001 & Hcont &  nothing detected     \\  
156~954 &  4 May 2001 & Hcont &  nothing detected   \\  
171~948 &  5 May 2001 & Hcont &  nothing detected   \\  
177~120  &  6 May 2001 & Hcont &  nothing detected   \\  
183~324 &  6 May 2001 & Hcont &  nothing detected   \\  
192~640 &  6 May 2001 & Hcont &  nothing detected    \\
\hline
\end{tabular}
\end{table}