TILARA extracts radial velocities line-by-line from stellar spectra using a curated absorption line list and Gaussian fitting via ARES, yielding RV time series with standard deviations and uncertainties comparable to template-based methods on 520 ESPRESSO observations of the Sun-like star HD 102365.
This was imple- mented by measuring the S/N at the central wavelength of each order in each observation
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TILARA: Template-Independent Line-by-line Algorithm for Radial velocity Analysis. I. Description of the code and application on a Sun-like star
TILARA extracts radial velocities line-by-line from stellar spectra using a curated absorption line list and Gaussian fitting via ARES, yielding RV time series with standard deviations and uncertainties comparable to template-based methods on 520 ESPRESSO observations of the Sun-like star HD 102365.