The Joker: A Custom Monte Carlo Sampler for Binary-star and Exoplanet Radial Velocity Data
The Joker: A Custom Monte Carlo Sampler for Binary-star and Exoplanet Radial Velocity Data
Abstract Given sparse or low-quality radial velocity measurements of a star, there are often many qualitatively different stellar or exoplanet companion orbit models that are consistent with the data. The consequent multimodality of the likelihood function leads to extremely challenging search, optimization, and Markov chain Monte Carlo (MCMC) posterior sampling …