All Figures

$\begin{figure} \par\includegraphics[width=8.5cm,clip]{fig1_pks1830_ACSHST_BW3.ps} \end{figure}$ Figure 1: Part of an HST/ACS F814W image obtained by the CASTLE group. This deep 10 390 s exposure shows the spiral lens (dashed line) pointed out by C02 and W02. Component A of the quasar is conspicuous while the component B is obscured by one the spiral arms of the lensing galaxy, which center is not unambiguously identified: W02 consider Star P as the bright unresolved nucleus of the spiral, while C02 consider it as a mere star. The position of Lens G, confirmed by the present VLT AO observations is indicated. All objects are labeled as in C02. North is up and East to the left.
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In the text

$\begin{figure} \par\includegraphics[width=14.0cm,clip]{fig2_pks1830_NACOVLT_BW.ps} \end{figure}$ Figure 2: The combined VLT NACO images of PKS 1830-211 are shown on the left side of the figure, where all objects are labelled as in C02. Lens G is at the detection limit in the J-band, but is clearly detected in H. The deconvolved images are shown on the right, with a resolution of 0 $.\!\!^{\prime\prime}$ 027. In addition to Lens G, an extended object near the Image B of the quasar is seen in the H-band deconvolution, and may correspond to the lensed host galaxy of the quasar source. Both in the reduced and deconvolved images, the grey scale displays all intensity levels above 2- $\sigma _{\rm sky}$ . Artifacts due to the PSF spatial variations across the CONICA camera, within a radius of 0.5 $^{\prime \prime }$ around bright point sources are significant, but do not affect Lens G.
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In the text

$\begin{figure} \par\includegraphics[width=8.5cm,clip]{fig3_astrometry_mean_JHK_figure.ps} \end{figure}$ Figure 3: Summary of the astrometry of PKS 1830-211, relative to the quasar Image A. The position of Lens G is compared with the position found in C02 and with that of "Object E'' seen in the radio by Subrahmanyan et al. (1990).
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In the text

$\begin{figure} \par\includegraphics[width=8.5cm,clip]{fig3_astrometry_mean_JHK_figure.ps} \end{figure}$	Figure 3: Summary of the astrometry of PKS 1830-211, relative to the quasar Image A. The position of Lens G is compared with the position found in C02 and with that of "Object E'' seen in the radio by Subrahmanyan et al. (1990).
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