Status Report

Planet Formation Imager (PFI): science vision and key requirements

By SpaceRef Editor
August 4, 2016
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Stefan Kraus, John D. Monnier, Michael J. Ireland, Gaspard Duchene, Catherine Espaillat, Sebastian Hoenig, Attila Juhasz, Chris Mordasini, Johan Olofsson, Claudia Paladini, Keivan Stassun, Neal Turner, Gautam Vasisht, Tim J. Harries, Matthew R. Bate, Jean-Francois Gonzalez, Alexis Matter, Zhaohuan Zhu, Olja Panic, Zsolt Regaly, Alessandro Morbidelli, Farzana Meru, Sebastian Wolf, John Ilee, Jean-Philippe Berger, Ming Zhao, Quentin Kral, Andreas Morlok, Amy Bonsor, David Ciardi, Stephen R. Kane, Kaitlin Kratter, Greg Laughlin, Joshua Pepper, Sean Raymond, Lucas Labadie, Richard P. Nelson, Gerd Weigelt, Theo ten Brummelaar, Arnaud Pierens, Rene Oudmaijer, Wilhelm Kley, Benjamin Pope, Eric L. N. Jensen, Amelia Bayo, Michael Smith, Tabetha Boyajian, Luis Henry Quiroga-Nunez, Rafael Millan-Gabet, et al. (29 additional authors not shown)
(Submitted on 1 Aug 2016)

The Planet Formation Imager (PFI) project aims to provide a strong scientific vision for ground-based optical astronomy beyond the upcoming generation of Extremely Large Telescopes. We make the case that a breakthrough in angular resolution imaging capabilities is required in order to unravel the processes involved in planet formation. PFI will be optimised to provide a complete census of the protoplanet population at all stellocentric radii and over the age range from 0.1 to about 100 Myr. Within this age period, planetary systems undergo dramatic changes and the final architecture of planetary systems is determined. Our goal is to study the planetary birth on the natural spatial scale where the material is assembled, which is the “Hill Sphere” of the forming planet, and to characterise the protoplanetary cores by measuring their masses and physical properties. Our science working group has investigated the observational characteristics of these young protoplanets as well as the migration mechanisms that might alter the system architecture. We simulated the imprints that the planets leave in the disk and study how PFI could revolutionise areas ranging from exoplanet to extragalactic science. In this contribution we outline the key science drivers of PFI and discuss the requirements that will guide the technology choices, the site selection, and potential science/technology tradeoffs.

Comments: 13 pages, 5 figures, Proceedings of SPIE 2016
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); Earth and Planetary Astrophysics (astro-ph.EP)
Cite as: arXiv:1608.00578 [astro-ph.IM] (or arXiv:1608.00578v1 [astro-ph.IM] for this version)
Submission history
From: Stefan Kraus
[v1] Mon, 1 Aug 2016 20:00:03 GMT (4163kb)

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