SPHERE+: Imaging young Jupiters down to the snowline
A. Boccaletti, G. Chauvin, D. Mouillet, O. Absil, F. Allard, S., Antoniucci, J.-C. Augereau, P. Barge, A. Baruffolo, J.-L. Baudino, P. Baudoz,, M. Beaulieu, M. Benisty, J.-L. Beuzit, A. Bianco, B. Biller, B. Bonavita, M., Bonnefoy, S. Bos, J.-C. Bouret, W. Brandner

TL;DR
SPHERE+ is an upgraded high-contrast imaging instrument designed to observe young Jupiters near the snowline, enhancing the capabilities of the original SPHERE instrument for exoplanet and circumstellar disk studies.
Contribution
This paper introduces the SPHERE+ upgrade, which significantly improves high contrast imaging performance to explore inner planetary regions and characterize exoplanets closer to their host stars.
Findings
SPHERE+ will enable direct imaging of exoplanets down to the snow line.
It will expand the study of exoplanet populations and circumstellar environments.
The upgrade will facilitate new science in star formation and active galactic nuclei exploration.
Abstract
SPHERE (Beuzit et al,. 2019) has now been in operation at the VLT for more than 5 years, demonstrating a high level of performance. SPHERE has produced outstanding results using a variety of operating modes, primarily in the field of direct imaging of exoplanetary systems, focusing on exoplanets as point sources and circumstellar disks as extended objects. The achievements obtained thus far with SPHERE (~200 refereed publications) in different areas (exoplanets, disks, solar system, stellar physics...) have motivated a large consortium to propose an even more ambitious set of science cases, and its corresponding technical implementation in the form of an upgrade. The SPHERE+ project capitalizes on the expertise and lessons learned from SPHERE to push high contrast imaging performance to its limits on the VLT 8m-telescope. The scientific program of SPHERE+ described in this document will…
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Taxonomy
TopicsAstro and Planetary Science · Astronomical Observations and Instrumentation · Stellar, planetary, and galactic studies
