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The PLATO field selection process III. Selection of the Prime Sample for the LOPS2 field

Fuente: arXiv

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Auteurs principaux:	Nascimbeni, V., Piotto, G., Granata, V., Marinoni, S., Marrese, P. M., Montalto, M., Cabrera, J., Aerts, C., Altavilla, G., Belkacem, K., Benatti, S., Bergemann, M., Börner, A., Covone, G., Deleuil, M., Desidera, S., Gizon, L., Goupil, M. J., Günther, M., Heras, A. M., Malavolta, L., Mas-Hesse, J. M., Nardiello, D., Osborn, H. P., Pagano, I., Paproth, C., Pollacco, D., Prisinzano, L., Ragazzoni, R., Ramsay, G., Rauer, H., Udry, S., Zingales, T.
Format:	Preprint
Publié:	2026
Sujets:	Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics
Accès en ligne:	Acceder al recurso
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_version_	1866917462859055104
author	Nascimbeni, V. Piotto, G. Granata, V. Marinoni, S. Marrese, P. M. Montalto, M. Cabrera, J. Aerts, C. Altavilla, G. Belkacem, K. Benatti, S. Bergemann, M. Börner, A. Covone, G. Deleuil, M. Desidera, S. Gizon, L. Goupil, M. J. Günther, M. Heras, A. M. Malavolta, L. Mas-Hesse, J. M. Nardiello, D. Osborn, H. P. Pagano, I. Paproth, C. Pollacco, D. Prisinzano, L. Ragazzoni, R. Ramsay, G. Rauer, H. Udry, S. Zingales, T.
author_facet	Nascimbeni, V. Piotto, G. Granata, V. Marinoni, S. Marrese, P. M. Montalto, M. Cabrera, J. Aerts, C. Altavilla, G. Belkacem, K. Benatti, S. Bergemann, M. Börner, A. Covone, G. Deleuil, M. Desidera, S. Gizon, L. Goupil, M. J. Günther, M. Heras, A. M. Malavolta, L. Mas-Hesse, J. M. Nardiello, D. Osborn, H. P. Pagano, I. Paproth, C. Pollacco, D. Prisinzano, L. Ragazzoni, R. Ramsay, G. Rauer, H. Udry, S. Zingales, T.
contents	The PLanetary Transits and Oscillations of stars (PLATO) mission will begin its four-year nominal mission in early 2027 by monitoring its Long-duration Observation Phase field at South (LOPS2) for at least two years continuously. The primary aim of PLATO is a very ambitious and challenging one: the discovery of Earth-like planets in the habitable zone of nearby and bright solar analogues. To this purpose, the PLATO Mission Consortium, through its Ground-based Observing Program, will perform the follow-up needed to confirm part of the candidate planets photometrically detected by PLATO and measure their masses through radial velocity curves. For the LOPS2, the Ground-based Observing Program is committed (as part of the PLATO mission) to follow-up the candidate exoplanets discovered orbiting the 15,000 high-quality target subset of the PLATO Input Catalog (PIC) known as the Prime Sample. The Prime Sample will be made public nine months before launch in the context of the first Guest Observer call for proposals to be issued by the European Space Agency. Here, we present the quantitative metrics and thresholds defined to select and prioritize the Prime Sample. Our method is perfectly general and suitable to rank any list of stars surveyed for transiting planets. We also describe the astrophysical properties of the LOPS2 Prime Sample, both in a statistical sense and for some specific targets of interest.
format	Preprint
id	arxiv_https___arxiv_org_abs_2604_03365
institution	arXiv
publishDate	2026
record_format	arxiv
spellingShingle	The PLATO field selection process III. Selection of the Prime Sample for the LOPS2 field Nascimbeni, V. Piotto, G. Granata, V. Marinoni, S. Marrese, P. M. Montalto, M. Cabrera, J. Aerts, C. Altavilla, G. Belkacem, K. Benatti, S. Bergemann, M. Börner, A. Covone, G. Deleuil, M. Desidera, S. Gizon, L. Goupil, M. J. Günther, M. Heras, A. M. Malavolta, L. Mas-Hesse, J. M. Nardiello, D. Osborn, H. P. Pagano, I. Paproth, C. Pollacco, D. Prisinzano, L. Ragazzoni, R. Ramsay, G. Rauer, H. Udry, S. Zingales, T. Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics The PLanetary Transits and Oscillations of stars (PLATO) mission will begin its four-year nominal mission in early 2027 by monitoring its Long-duration Observation Phase field at South (LOPS2) for at least two years continuously. The primary aim of PLATO is a very ambitious and challenging one: the discovery of Earth-like planets in the habitable zone of nearby and bright solar analogues. To this purpose, the PLATO Mission Consortium, through its Ground-based Observing Program, will perform the follow-up needed to confirm part of the candidate planets photometrically detected by PLATO and measure their masses through radial velocity curves. For the LOPS2, the Ground-based Observing Program is committed (as part of the PLATO mission) to follow-up the candidate exoplanets discovered orbiting the 15,000 high-quality target subset of the PLATO Input Catalog (PIC) known as the Prime Sample. The Prime Sample will be made public nine months before launch in the context of the first Guest Observer call for proposals to be issued by the European Space Agency. Here, we present the quantitative metrics and thresholds defined to select and prioritize the Prime Sample. Our method is perfectly general and suitable to rank any list of stars surveyed for transiting planets. We also describe the astrophysical properties of the LOPS2 Prime Sample, both in a statistical sense and for some specific targets of interest.
title	The PLATO field selection process III. Selection of the Prime Sample for the LOPS2 field
topic	Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics
url	https://arxiv.org/abs/2604.03365