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Visible extreme adaptive optics on extremely large telescopes: Towards detecting oxygen in Proxima Centauri b and analogs

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arxiv 2309.00725 v1 pith:RRKH6AJY submitted 2023-09-01 astro-ph.EP astro-ph.IM

Visible extreme adaptive optics on extremely large telescopes: Towards detecting oxygen in Proxima Centauri b and analogs

J. Fowler , Sebastiaan Y. Haffert , Maaike A.M. van Kooten , Rico Landman , Alexis Bidot , Adrien Hours , Mamadou N'Diaye , Olivier Absil
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Lisa Altinier Pierre Baudoz Ruslan Belikov Markus Johannes Bonse Kimberly Bott Bernhard Brandl Alexis Carlotti Sarah L. Casewell Elodie Choquet Nicolas B. Cowan Niyati Desai David Doelman Kevin Fogarty Timothy D. Gebhard Yann Gutierrez Olivier Guyon Olivier Herscovici-Schiller Roser Juanola-Parramon Matthew Kenworthy Elina Kleisioti Lorenzo Konig Mariya Krasteva Iva Laginja Lucie Leboulleux Johan Mazoyer Maxwell A. Millar-Blanchaer David Mouillet Emiel Por Laurent Pueyo Frans Snik Dirk van Dam Kyle van Gorkom Sophia R. Vaughan
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keywords visibleexoplanetimagersoxygenadaptiveanalogscentauriextreme
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Looking to the future of exo-Earth imaging from the ground, core technology developments are required in visible extreme adaptive optics (ExAO) to enable the observation of atmospheric features such as oxygen on rocky planets in visible light. UNDERGROUND (Ultra-fast AO techNology Determination for Exoplanet imageRs from the GROUND), a collaboration built in Feb. 2023 at the Optimal Exoplanet Imagers Lorentz Workshop, aims to (1) motivate oxygen detection in Proxima Centauri b and analogs as an informative science case for high-contrast imaging and direct spectroscopy, (2) overview the state of the field with respect to visible exoplanet imagers, and (3) set the instrumental requirements to achieve this goal and identify what key technologies require further development.

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