Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coast.157..272a&link_type=abstract
Communications in Asteroseismology, Vol.157, p. 272
Physics
Scientific paper
PLATO is a preselected candidate mission for the Cosmic Vision programme 2015 2025 if the European Space Agency. If ultimately selected (decision end 2011), it will be launched in the 2017/2018 timeframe. The mission was designed to answer the question: How do planetary systems form and evolve?, i.e., it aims to reach a serious improvement in our understanding of the formation and evolution of planets and planetary systems, including systems with Earth-like planets in the “habitable zone”. PLATO will detect and fully characterise planetary systems by long duration (3 year), short cadence (30 sec) uninterrupted photometric monitoring of ≈100,000 bright stars of all spectral types, using the signature of transits of planets in front of their parent stars, seismic interpretation of the oscillation frequencies of the parent stars, ground-based high resolution spectroscopy and interferometry, and data from the ESA mission Gaia. The primary targets of PLATO are bright stars (mV ≤ 11). In addition, PLATO will also perform an extensive survey of planetary transits in front of ≈400,000 stars down to mV = 14. Two long runs of three, respectively two years on primary target fields will be performed. The two long runs will be followed by a set of shorter ones (of a few months each) on different target fields, either to revisit and confirm planetary transit candidates of the long runs or to study population I I stars as well as stars in open clusters, with the goal to improve stellar evolution models. The present talk is presented by various members of the PLATO science study team of ESA; it will be published only once in Catala et al., CoAst, volume 158 to which we refer for further information.
Aerts Christine
ESA Science Study Team Of Plato
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