Simulating RISTRETTO: Proxima b detectability in reflected lightMaddalena Bugatti, Christophe Lovis, Nicolas Billot, Nicolas Blind, Baptiste Lavie, Martin Turbet, Bruno Chazelas, Francesco Pepehttps://arxiv.org/abs/2509.07644
Simulating RISTRETTO: Proxima b detectability in reflected lightThe characterization of exoplanet atmospheres is one of the key topics in modern astrophysics. To date, transmission spectroscopy has been the primary method used, but upcoming instruments will lay the foundation for advancing reflected-light spectroscopy. The main challenge in this area of research is the high contrast ratio between the planet and its star. RISTRETTO, a high-resolution integral-field spectrograph designed for ESO's VLT, aims to address these limitations through a combination o…