\begin{table}%t3
      \caption{Log of the $HK$-band follow-up campaigns.} 
         \label{log-nir}
     $$ 
     \small    \begin{tabular}{l c c c c c c c c}
            \hline
            \hline
            \noalign{\smallskip}
Telescope       & 
Instrument      & 
Filter(s)       & 
Date(s)         & 
Exp. time       &
Area            &
{\it FWHM}            &
Compl.          &
Limit.
\\
                &               
                &               
                &                       
                & 
(s)             &
(arcmin$^2$)    &
(arcsec)        &
(mag)           &
(mag)
\\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
CFHT            & 
CFHT-IR         & 
$H$, $K'$       & 
2004 Feb. 9,17,22 & 
1800            &
85              &
0.7--1.0        &
20.0--20.5      &
21.0--21.5      
\\ % 
3.5~m CA       & 
$\Omega$2k      & 
$H$             & 
2003 Oct. 19,22  & 
1200--7200      &
$\sim$1100      &
$>$1.5          &
16.8            &
18.1
\\ %            
                & 
                & 
$H$, $K_{\rm s}$ & 
2005 Jan. 27--Feb. 1 & 
5100--11~700     &
480             &
1.3--2.0        &
17.7--19.5      &
18.5--20.0
\\ %            
TCS             & 
CAIN-II         & 
$J,H,K_{\rm s}$ & 
2004 Apr. 19     & 
3600--7200      &
$<$100          &
$\sim$1.2       &
18.5, 18.0, 17.5 &
19.5, 19.0, 18.5
\\ %            
                & 
                & 
$K_{\rm s}$     & 
2006 Oct. 20--22 & 
2400--3600      &
$<$100          &
$\sim$1.0       &
$\sim$17.5      &
$\sim$18.5
\\ %            
           \noalign{\smallskip}
            \hline
         \end{tabular}
     $$ 
   \end{table}