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astro-ph.EP2025★ 4 cited
Planets Around Solar Twins/Analogs (PASTA) II: chemical abundances, systematic offsets, and clues to planet formation
Qinghui Sun, Chenyang Ji, Sharon Xuesong Wang +5
Context. Previous studies have suggested that the Sun is relatively depleted in refractory elements compared to other solar twins or analogs, potentially as a result of planet form…
astro-ph.IM2025
The Impact of Fiber Cross Contamination on Radial Velocity Precision
Chenyang Ji, Sharon Xuesong Wang, Kai Zhang +1
High-resolution spectrographs with precise radial velocity (PRV) capabilities require careful considerations in instrumental design and data processing in order to reach the 10 cm/…