PCS -- A Roadmap for Exoearth Imaging with the ELT
Markus Kasper, Nelly Cerpa Urra, Prashant Pathak, Markus Bonse, Jalo, Nousiainen, Byron Engler, C\'edric Ta\"issir Heritier, Jens Kammerer, Serban, Leveratto, Chang Rajani, Paul Bristow, Miska Le Louarn, Pierre-Yves Madec,, Stefan Str\"obele, Christophe Verinaud, Adrian Glauser
TL;DR
The PCS instrument for the ELT aims to detect and characterize nearby exoplanets, including searching for biosignatures, through advanced adaptive optics, coronagraphy, and spectroscopy.
Contribution
This paper presents the design and science goals of PCS, a new instrument for exoplanet imaging and biosignature detection on the ELT.
Findings
PCS will enable imaging of Earth-sized exoplanets.
It will facilitate detection of atmospheric biosignatures.
The instrument combines XAO, coronagraphy, and spectroscopy.
Abstract
The Planetary Camera and Spectrograph (PCS) for the Extremely Large Telescope (ELT) will be dedicated to detecting and characterising nearby exoplanets with sizes from sub-Neptune to Earth-size in the neighbourhood of the Sun. This goal is achieved by a combination of eXtreme Adaptive Optics (XAO), coronagraphy and spectroscopy. PCS will allow us not only to take images, but also to look for biosignatures such as molecular oxygen in the exoplanets' atmospheres. This article describes the PCS primary science goals, the instrument concept and the research and development activities that will be carried out over the coming years.
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