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Precision near-infrared radial velocity instrumentation I: Absorption Gas Cells
Peter P. Plavchan, Guillem Anglada-Escude, Russel White +18
We have built and commissioned gas absorption cells for precision spectroscopic radial velocity measurements in the near-infrared in the H and K bands. We describe the construction…
Up to four planets around the M dwarf GJ 163. Sensitivity of Bayesian planet detection criteria to prior choice
Mikko Tuomi, Guillem Anglada-Escude
Exoplanet Doppler surveys are currently the most efficient means to detect low-mass companions to nearby stars. Among these stars, the light M dwarfs provide the highest sensitivit…
Radial velocity signatures of Zeeman broadening
Ansgar Reiners, Denis Shulyak, Guillem Anglada-Escude +5
Stellar activity signatures such as spots and plage can significantly limit the search for extrasolar planets. Current models of activity-induced radial velocity (RV) signals focus…