Table 1: Summary of the astrometric and photometric estimations. In the first three lines the HST/WFPC2 results from the Masciadri et al. (2003) and Freed et al. (2003) analyses are shown. In the following lines the results obtained from AO-Hokupa'a data and the from AO-NACO data are shown.
    This paper Freed et al.
HST/WFPC2 1997/4/12 Separation ( $\hbox{$^{\prime\prime}$ }$) 0.255 $\pm$ 0.007 0.270 $\pm$ 0.010
  Position Angle (degrees) 90.3 $\pm$ 0.8 82.8 $\pm$ 1.5
  $\Delta{I_{\rm c}}$ 4.34 $\pm$ 0.14 4.42 $\pm$ 0.17
AO-HOKUPA 2002/2/7 Separation ( $\hbox{$^{\prime\prime}$ }$) - 0.207 $\pm$ 0.007
  Position Angle (degrees) - 151.9 $\pm$ 1.2
  $\Delta{H}$ - 3.15 $\pm$ 0.30
  $\Delta{K{\rm s}}$ - 2.77 $\pm$ 0.10
AO-NACO 2002/3/26 Separation ( $\hbox{$^{\prime\prime}$ }$) 0.164 $\pm$ 0.004 -
  Position Angle (degrees) 157.3 $\pm$ 2.0 -
  $\Delta{H}$ 3.03 $\pm$ 0.13 -
  $\Delta{K{\rm s}}$ 2.53 $\pm$ 0.03 -


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