All Tables

Table 3: Main characteristics of the three instrumental setups used for our survey.
Table 4: Mean plate scale and detector orientation for our different observing runs. The orientation angle gives the position of true North east of the vertical.
Table 5: Absolute photometry and estimated physical properties for the bound and likely bound companions visible on our NACO images. The magnitudes quoted here are those derived from our relative photometry (a few companions have additional uncontaminated photometry in 2MASS). Primary spectral types are from the Hipparcos catalog, while primary masses are from Nordström et al. (2004) or Santos et al. (2005,2004). Note that Santos et al. (2005,2004) do not give uncertainties on the mass, but estimate them to be around 0.05 $M_{\odot }$ . When no mass estimate was available for the primary star, we derived one using the available observational constraints and the Geneva stellar evolution code (Meynet & Maeder 2000; Eggenberger et al. 2005). Ages are from Nordström et al. (2004) or were estimated with the Geneva stellar evolution code. For the secondaries, absolute magnitudes, spectral types, and masses are based on our data and were determined as explained in Sect. 4. Projected separations were computed by combining our angular separations with the Hipparcos parallaxes.
Table 6: Summary of our observations, along with astrometric (angular separation, position angle) and photometric (magnitude difference in the NACO photometric system) parameters for the detected systems. Parentheses indicate saturation and hence unreliable photometry. The relative photometry of a few companions could not be determined because these objects were too close to the edges of our images. For each target, companion candidates are listed according to separation. True companions were also designated according to the Washington Multiplicity Catalog nomenclature scheme and this designation is given in the third column. The companionship status (as discussed in Sect. 5) is summarized in the last column.
Table 1: Target list and target properties for the planet-host star sub-sample. Apparent magnitudes, proper motions and spectral types are from the Hipparcos catalog. Distances were computed from the Hipparcos parallaxes.
Table 2: Target list and target properties for the control sub-sample. Apparent magnitudes, proper motions and spectral types are from the Hipparcos catalog. Distances were computed from the Hipparcos parallaxes.