Published: John Boisvert and Jason Steffen

Physics and Astronomy graduate student John Boisvert, along with his advisor Jason Steffen and collaborator Ben Nelson were looking for planets hidden within archival data. There is an important degeneracy where a one-planet model produces the same signal as a two-planet model with a specific orbital configuration.  This group developed new statistical tools to compare the predictions of these two models to the existing data.  They found that as many as 25 percent of their sample have additional planets that have not been reported.

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