2 papers
astro-ph.IM2026
Recent development in high-precision high-fidelity spectrographs for exoplanet research and characterization
François Bouchy, Francesco Pepe, Xavier Dumusque +3
High-precision high-fidelity spectrographs are the most powerful instruments for exoplanets detection and characterization. The sub-m/s radial-velocity precision, required to detec…
astro-ph.CO2025
The ESPRESSO Redshift Drift Experiment I -- High-resolution spectra of the Lyman- forest of QSO J052915.80-435152.0
Andrea Trost, Catarina M. J. Marques, Stefano Cristiani +25
The measurement of the temporal evolution in the redshift of distant objects, the redshift drift, is a probe of universal expansion and cosmology. We perform the first steps toward…