A time-aware convolutional attention network trained on StarSim synthetic spectra reduces stellar activity radial velocity jitter to 52.5% and 62.4% of original levels in HARPS and CARMENES data for epsilon Eridani and TZ Arietis.
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N-body simulations show that 14 Herculis's orbital architecture requires primordial ejection of an additional massive planet.
Three accelerating stars yield one stellar companion at 166 AU, one 45 Jupiter-mass object at ~18 AU, and one 9.5 Jupiter-mass object at 6.4 AU that is 65% likely to be a planet.
citing papers explorer
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Mitigating stellar radial velocity jitter using orthogonal activity indices and a time-aware neural network
A time-aware convolutional attention network trained on StarSim synthetic spectra reduces stellar activity radial velocity jitter to 52.5% and 62.4% of original levels in HARPS and CARMENES data for epsilon Eridani and TZ Arietis.
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The Architecture of the 14 Herculis System Suggests Primordial Ejection of a Massive Planet
N-body simulations show that 14 Herculis's orbital architecture requires primordial ejection of an additional massive planet.