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Measurement of the Spin-Orbit Angle of Exoplanet HAT-P-1b
John A. Johnson, Joshua N. Winn, Norio Narita +16
We present new spectroscopic and photometric observations of the HAT-P-1 planetary system. Spectra obtained during three transits exhibit the Rossiter-McLaughlin effect, allowing u…
Retired A Stars and Their Companions II: Jovian planets orbiting kappa Coronae Borealis and HD167042
John A. Johnson, Geoffrey W. Marcy, Debra A. Fischer +5
We report precise Doppler measurements of two evolved stars, kappa CrB (HD142091) and HD 167042, obtained at Lick Observatory as part of our search for planets orbiting intermediat…
Resolving the Surfaces of Extrasolar Planets With Secondary Eclipse Light Curves
Peter K. G. Williams, David Charbonneau, Curtis S. Cooper +2
We present a method that employs the secondary eclipse light curves of transiting extrasolar planets to probe the spatial variation of their thermal emission. This technique permit…