Other
Scientific paper
Jul 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009coast.158..330c&link_type=abstract
"Communications in Asteroseismology, Vol.158, p. 330 Proceedings of "38th Liege International Astrophysical Colloquium: Evoluti
Other
4
Scientific paper
The PLAnetary Transits and Oscillations of stars Mission (PLATO) is one of the four M-class mission proposals selected for an assessment study phase in the framework of the ESA ``Cosmic Vision" programme. Its objective is to detect and characterize exoplanets by means of their transit signature in front of a very large sample of bright stars, and measure the seismic oscillations of the parent stars orbited by these planets in order to understand the properties of the exoplanetary systems. PLATO is the next-generation planet finder, building on the accomplishments of CoRoT and Kepler: its targets will be three magnitudes brighter (hence the precision of the measurements will be correspondingly higher as will be those of post-detection investigations, e.g. spectroscopy, asteroseismology, and eventually imaging).PLATO will be capable of observing significantly smaller exoplanets, as well as planets orbiting hotter stars. These goals will be achieved by a long-term (3 years), high-precision, high-time-resolution, high-duty-cycle monitoring in visible photometry of a sample of more than 100,000 relatively bright (m_V ≤ 11) stars and another 400,000 down to m_V = 13. The space-based observations will be complemented by ground- and space-based follow-up observations. In its current design, the PLATO payload includes an ensemble of 28 identical small, very wide-field telescopes, assembled on a single platform and all looking at the same 26^{circ} diameter field. Each one of these 100mm pupil telescopes has its own CCD focal plane, comprised of 4 CCDs with 3854 times 3854 pixels of 18 mum.
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