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Tracking Stellar Activity Enhancements Due To A Close-in Giant Planet In The HD 179949 System
(Physics, 2010-07-19)
We monitored CaII H and K lines (3933Å and 3968Å) of the HD 179949 system to study Planet Induced Emission (PIE) as an effect of star-planet interaction. We obtained high resolution spectra (R > 50,000) with high signal-to-noise ...