Deconvolving the HD 81809 binary: Rotational and activity evidence for a...
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https://data.ucar.edu/dataset/deconvolving-the-hd-81809-binary-rotational-and-activity-evidence-for-a-subgiant-with-a-sun-lik
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HD 81809 has one of the highest quality activity cycles from the sample of stars synoptically observed in the Mount Wilson Observatory HK Project. However, this object is in...
