Planet formation with all flavors of adaptive optics: VLT/MUSE’s laser tomography adaptive optics to directly image young accreting exoplanets

Julien H. Girard; Sebastiaan Y. Haffert; Jaehan Bae; Peter Zeidler; Jozua de Boer; Alexander Bohn; Rob G. van Holstein; Jarle Brinchmann; Ignas Snellen; Rolan Bacon; Christoph Keller

doi:10.1117/12.2560075

16 December 2020 Planet formation with all flavors of adaptive optics: VLT/MUSE’s laser tomography adaptive optics to directly image young accreting exoplanets

Julien H. Girard, Sebastiaan Y. Haffert, Jaehan Bae, Peter Zeidler, Jozua de Boer, Alexander Bohn, Rob G. van Holstein, Jarle Brinchmann, Ignas Snellen, Rolan Bacon, Christoph Keller

Author Affiliations +

Proceedings Volume 11448, Adaptive Optics Systems VII; 1144808 (2020) https://doi.org/10.1117/12.2560075
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

We present recent results obtained with the VLT/MUSE Integral Field Spectrograph fed by the 4LGSF and its laser tomography adaptive optics module GALACSI. While this so-called narrow-field mode of MUSE was not designed to perform directly imaging of exoplanets and outflows, we show that it can be a game changer to detect and characterize young exoplanets with a prominent emission lines (i.e Hα, tracer of accretion), at moderate contrasts. These performances are achieved thanks to the combo of a near-diffraction limited PSF and a medium resolution spectrograph and a cross-correlation approach in post-processing . We discuss this in the context of ground and space, infrared and visible wavelengths, preparing for missions like JWST and WFIRST in great synergy and as pathfinder for future ELT/GSMT (Extremely Large and/or Giant Segmented Mirror Telescopes) instruments.

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Julien H. Girard, Sebastiaan Y. Haffert, Jaehan Bae, Peter Zeidler, Jozua de Boer, Alexander Bohn, Rob G. van Holstein, Jarle Brinchmann, Ignas Snellen, Rolan Bacon, and Christoph Keller "Planet formation with all flavors of adaptive optics: VLT/MUSE’s laser tomography adaptive optics to directly image young accreting exoplanets", Proc. SPIE 11448, Adaptive Optics Systems VII, 1144808 (16 December 2020); https://doi.org/10.1117/12.2560075

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