Radial velocity jitter refers to the small, random variations in the measured radial velocity of a star, which can complicate the detection of exoplanets. These variations are often caused by factors such as stellar activity, including spots, flares, and oscillations on the star's surface. Understanding radial velocity jitter is crucial for accurately interpreting data when assessing the stability of multiplanet systems and when examining the effects of stellar activity on radial velocity measurements.
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