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Santos, P. Giacobbe, R. Claudi, R. Cosentino, R. Gratton, S. Desidera, S. Messina, U. Munari, V. Nascimbeni, V.S. Schmid","submitted_at":"2013-02-13T13:57:37Z","abstract_excerpt":"In the context of the program Global Architecture of Planetary Systems (GAPS), we have performed radial velocity monitoring of the metal-poor star HIP 11952 on 35 nights over about 150 days using the newly installed high resolution spectrograph HARPS-N at the TNG and HARPS at ESO 3.6m telescope. The radial velocities show a scatter of 7 m/s, compatible with the measurement errors for such a moderately warm metal-poor star (Teff = 6040+-120K; [Fe/H] =-1.9+-0.1). 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