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Probabilities of exoplanet signals from posterior samplings
(2012-08-12)
Estimating the marginal likelihoods is an essential feature of model selection in the Bayesian context. It is especially crucial to have good estimates when assessing the number of planets orbiting stars when the models ...
The Anglo-Australian planet search. XXII : Two new multi-planet systems
(2012-07-10)
We report the detection of two new planets from the Anglo-Australian Planet Search. These planets orbit two stars each previously known to host one planet. The new planet orbiting HD 142 has a period of 6005 +/- 427 days, ...
Red Optical Planet Survey: : a new search for habitable earths in the southern sky
(2012-07-01)
We present the first results from our Red Optical Planet Survey (ROPS) to search for low mass planets orbiting late type dwarfs (M5.5V - M9V) in their habitable zones (HZ). Our observations, with the red arm MIKE spectrograph ...