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The Transit Light Curve Project. V. System Parameters and Stellar Rotation Period of HD 189733
Joshua N. Winn, Matthew J. Holman, Gregory W. Henry +8
We present photometry of HD 189733 during eight transits of its close-in giant planet, and out-of-transit photometry spanning two years. Using the transit photometry, we determine…
Exoplanets and the Rossiter-McLaughlin Effect
Joshua N. Winn
A transiting planet eclipses part of the rotating stellar surface, thereby producing an anomalous Doppler shift of the stellar spectrum. Here I review how this "Rossiter-McLaughlin…
The Transit Light Curve Project. III. Tres Transits of TrES-1
Joshua N. Winn, Matthew J. Holman, Anna Roussanova
We present z band photometry of three consecutive transits of the exoplanet TrES-1, with an accuracy of 0.15% and a cadence of 40 seconds. We improve upon estimates of the system p…
The Transit Light Curve (TLC) Project. II. Two Transits of the Exoplanet OGLE-TR-111b
Joshua N. Winn, Matthew J. Holman, Cesar I. Fuentes
As part of our ongoing effort to measure exoplanet sizes and transit times with greater accuracy, we present I band observations of two transits of OGLE-TR-111b. The photometry has…
TrES-2: The First Transiting Planet in the Kepler Field
Francis T. O'Donovan, David Charbonneau, Georgi Mandushev +17
We announce the discovery of the second transiting hot Jupiter discovered by the Trans-atlantic Exoplanet Survey. The planet, which we dub TrES-2, orbits the nearby star GSC 03549-…
Measurement of the Spin-Orbit Alignment in the Exoplanetary System HD 189733
Joshua N. Winn, John A. Johnson, Geoffrey W. Marcy +9
We present spectroscopy of a transit of the exoplanet HD 189733b. By modeling the Rossiter-McLaughlin effect (the anomalous Doppler shift due to the partial eclipse of the rotating…