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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. HD 221287 is a yellow-white main-sequence star approximately 173 light years away in the constellation of Tucana. It has an apparent magnitude of 7.82 and absolute magnitude of 4.20. This star is also named HIP 116084. On March 5, 2007, the astronomer Dominique Naef used the HARPS spectrograph to uncover HD 221287 b. Using the amplitude from observations with HARPS, he calculated a minimum mass of 3.12 times that of Jupiter, making this a superjovian.