The Rotation Period of the Planet-Hosting Star HD 189733
Authors: Gregory W. Henry and Joshua N. Winn
HENRY & WINN
2008 The Astronomical Journal13568.
Provider: AAS Journals
Caption: Figure 2.
Top: frequency power spectrum of the D−A data, computed with the method of Vaníček (1971). Bottom: phase-folded light curve
using the period
P = 11.953 days.