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  The PLATO field selection process. I. Identification and content of the long-pointing fields

Nascimbeni, V., Piotto, G., Börner, A., Montalto, M., Marrese, P. M., Cabrera, J., et al. (2022). The PLATO field selection process. I. Identification and content of the long-pointing fields. Astronomy and Astrophysics, 658, A31. doi:10.1051/0004-6361/202142256.

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Nascimbeni, V., Author
Piotto, G., Author
Börner, A.1, 2, Author           
Montalto, M.3, Author           
Marrese, P. M., Author
Cabrera, J., Author
Marinoni, S., Author
Aerts, C., Author
Altavilla, G.4, Author           
Benatti, S., Author
Claudi, R., Author
Deleuil, M., Author
Desidera, S., Author
Fabrizio, M., Author
Gizon, L.5, Author           
Goupil, M. J., Author
Granata, V., Author
Heras, A. M., Author
Magrin, D., Author
Malavolta, L., Author
Mas-Hesse, J. M.6, Author           Ortolani, S., AuthorPagano, I., AuthorPollacco, D., AuthorPrisinzano, L., AuthorRagazzoni, R., AuthorRamsay, G., AuthorRauer, H., AuthorUdry, S., Author more..
Affiliations:
1Department Biogeochemical Processes, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497751              
2Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497752              
3Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159895              
4Stellar Astrophysics, MPI for Astrophysics, Max Planck Society, ou_159882              
5Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832287              
6High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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Free keywords: catalogs; astronomical databases: miscellaneous; techniques: photometric; planetary systems; planets and satellites: detection; stars: fundamental parameters; Astrophysics - Earth and Planetary Astrophysics; Astrophysics - Instrumentation and Methods for Astrophysics; Astrophysics - Solar and Stellar Astrophysics
 Abstract: PLAnetary Transits and Oscillations of stars is an ESA M-class satellite planned for launch by the end of 2026 and dedicated to the wide-field search of transiting planets around bright and nearby stars, with a strong focus on discovering habitable rocky planets hosted by solar-like stars. The choice of the fields to be pointed at is a crucial task since it has a direct impact on the scientific return of the mission. In this paper, we describe and discuss the formal requirements and the key scientific prioritization criteria that have to be taken into account in the Long-duration Observation Phase (LOP) field selection, and apply a quantitative metric to guide us in this complex optimization process. We identify two provisional LOP fields, one for each hemisphere (LOPS1 and LOPN1), and we discuss their properties and stellar content. While additional fine-tuning shall be applied to LOP selection before the definitive choice, which is set to be made two years before launch, we expect that their position will not move by more than a few degrees with respect to what is proposed in this paper.

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 Dates: 2022
 Publication Status: Issued
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 Identifiers: DOI: 10.1051/0004-6361/202142256
ISSN: 0004-6361
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Title: Astronomy and Astrophysics
Source Genre: Journal
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Pages: - Volume / Issue: 658 Sequence Number: - Start / End Page: A31 Identifier: -