Recent development in high-precision high-fidelity spectrographs for exoplanet research and characterization
Fran\c{c}ois Bouchy, Francesco Pepe, Xavier Dumusque, Tobias Schmidt, Christophe Lovis, and St\'ephane Udry
TL;DR
This paper reviews recent advancements in high-precision spectrographs like ESPRESSO, NIRPS, ANDES, and RISTRETTO, crucial for detecting and characterizing exoplanets with extreme radial-velocity accuracy.
Contribution
It highlights the development and deployment of new high-fidelity spectrographs supporting exoplanet research, emphasizing instrumental and stellar stability improvements.
Findings
Achieved sub-m/s radial-velocity precision
Supported detection of Earth-mass exoplanets
Enhanced instrumental stability for exoplanet characterization
Abstract
High-precision high-fidelity spectrographs are the most powerful instruments for exoplanets detection and characterization. The sub-m/s radial-velocity precision, required to detect Earth-mass exoplanets, necessitates tackling all the sources of instrumental and stellar instabilities. We present the new high-precision high-fidelity spectrographs ESPRESSO, NIRPS, ANDES and RISTRETTO designed, developed, and operated with support of PlanetS.
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