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Testing planet formation models with Gaia μas astrometry

Published online by Cambridge University Press:  01 October 2007

A. Sozzetti ,
S. Casertano ,
M. G. Lattanzi ,
A. Spagna ,
R. Morbidelli ,
R. Pannunzio ,
D. Pourbaix  and
D. Queloz
A. Sozzetti
Affiliation:
INAF- Astronomical Observatory of Torino, via Osservatorio 20, I-10025, Pino Torinese (TO), Italy email: sozzetti@oato.inaf.it Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
S. Casertano
Affiliation:
Space Telescope Science Institute, San Martin Drive, Baltimore, MD 21218, USA
M. G. Lattanzi
Affiliation:
INAF- Astronomical Observatory of Torino, via Osservatorio 20, I-10025, Pino Torinese (TO), Italy email: sozzetti@oato.inaf.it
A. Spagna
Affiliation:
INAF- Astronomical Observatory of Torino, via Osservatorio 20, I-10025, Pino Torinese (TO), Italy email: sozzetti@oato.inaf.it
R. Morbidelli
Affiliation:
INAF- Astronomical Observatory of Torino, via Osservatorio 20, I-10025, Pino Torinese (TO), Italy email: sozzetti@oato.inaf.it
R. Pannunzio
Affiliation:
INAF- Astronomical Observatory of Torino, via Osservatorio 20, I-10025, Pino Torinese (TO), Italy email: sozzetti@oato.inaf.it
D. Pourbaix
Affiliation:
Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles, CP. 226, Boulevard du Triomphe, 1050 Bruxelles, Belgium
D. Queloz
Affiliation:
Observatoire de Genève, 51 Ch. de Maillettes, 1290 Sauveny, Switzerland
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Abstract

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In this paper, we first summarize the results of a large-scale double-blind tests campaign carried out for the realistic estimation of the Gaia potential in detecting and measuring planetary systems. Then, we put the identified capabilities in context by highlighting the unique contribution that the Gaia exoplanet discoveries will be able to bring to the science of extrasolar planets during the next decade.

Keywords

planetary systemsastrometrymethods: data analysismethods: numericalstars: statistics

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