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Paper: EXOFIT: Bayesian Estimation of Orbital Parameters of Extrasolar Planets
Volume: 450, Molecules in the Atmospheres of Extrasolar Planets
Page: 147
Authors: Balan, S. T.; Lahav, O.
Abstract: We introduce EXOFIT, a Bayesian tool for estimating orbital parameters of extra-solar planets from radial velocity measurements. EXOFIT can search for either one or two planets at present. EXOFIT employs Markov Chain Monte Carlo method implemented in an object oriented manner. As an example we re-analyze the orbital solution of HD155358b and the results are compared with that of the published orbital parameters. In order to check the agreement of the EXOFIT orbital parameters with the published ones we examined radial velocity data of 30 stars taken randomly from We show that while orbital periods agree in both methods, EXOFIT prefers lower eccentricity solutions for planets with higher (e ≥ 0.5) orbital eccentricities.
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