Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21330006l&link_type=abstract
American Astronomical Society, AAS Meeting #213, #300.06; Bulletin of the American Astronomical Society, Vol. 41, p.268
Astronomy and Astrophysics
Astronomy
Scientific paper
The first phase of the SIM-RV double-blind test campaign aimed at gauging the ability to characterize terrestrial mass planets orbiting nearby stars in multiple-component systems using a combination of the proposed astrometric space mission SIM-Lite and ground-based radial velocity (RV) observations. We discuss the outcome of the analysis carried out by our Team (C1) to model planetary orbits using astrometric+RV data focusing in particular on: 1) a study of the correlation between the presence of false positives in multiple-component configurations and the existence of long-period companions , and 2) a preliminary assessment of the regimes of signal-to-noise ratio and orbital period for which the combination of astrometric and radial-velocity measurements is most effective.
Casertano Sefano
Lattanzi Mario G.
Sozzetti Alessandro
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