Injection-recovery simulations show that quasi-periodic stellar activity biases retrieved small-planet radial-velocity amplitudes upward by up to 100% for active stars, and that periodogram searches recover the planet in under 5% of cases.
Transit-Timing and Duration Variations for the Discovery and Characterization of Exoplanets
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Biases in retrieving planetary signals in the presence of quasi-periodic stellar activity
Injection-recovery simulations show that quasi-periodic stellar activity biases retrieved small-planet radial-velocity amplitudes upward by up to 100% for active stars, and that periodogram searches recover the planet in under 5% of cases.