Image Details
Caption: Figure 1.
Photometric, RV, and BIS SPAN variations and best fit (black continuous line) of the activity-induced signal observed on HD 189733. Our best fit to the data corresponds to a 0.8% spot that can be found at a latitude of 61 deg. The star rotates in 10.27 days and is seen nearly equator-on with an inclination of 80 deg.
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