The all-sky PLATO input catalogue
M. Montalto (1,2), G. Piotto (1,2), P. M. Marrese (3,4), V. Nascimbeni, (1,2), L. Prisinzano (5), V. Granata (1,2), S. Marinoni (3,4), S. Desidera, (2), S. Ortolani (1,2), C. Aerts (14,15,16), E. Alei (6), G. Altavilla (3,4),, S. Benatti (5), A. B\"orner (7), J. Cabrera (8)

TL;DR
This paper presents the first public release of an all-sky stellar catalogue derived from Gaia DR2 data, crucial for selecting targets for the ESA PLATO mission's search for habitable exoplanets.
Contribution
It provides a comprehensive stellar catalogue with derived parameters, aiding target selection and follow-up planning for the PLATO mission, and includes a special list of known planet hosts.
Findings
Catalogue contains over 2.6 million stars with stellar parameters.
Median distances are 428 pc for FGK stars and 146 pc for M dwarfs.
Uncertainties in stellar parameters are approximately 230 K in temperature, 0.1 R_sun in radius, and 0.1 M_sun in mass.
Abstract
Context. The ESA PLAnetary Transits and Oscillations of stars (PLATO) mission will search for terrestrial planets in the habitable zone of solar-type stars. Because of telemetry limitations, PLATO targets need to be pre-selected. Aims. In this paper, we present an all sky catalogue that will be fundamental to selecting the best PLATO fields and the most promising target stars, deriving their basic parameters, analysing the instrumental performances, and then planing and optimising follow-up observations. This catalogue also represents a valuable resource for the general definition of stellar samples optimised for the search of transiting planets. Methods. We used Gaia Data Release 2 (DR2) astrometry and photometry and 3D maps of the local interstellar medium to isolate FGK (V13) and M (V16) dwarfs and subgiant stars. Results. We present the first public release of the…
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