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Chemical Composition of the Planet-Harboring Star TrES-1
A. Sozzetti, D. Yong, B. W. Carney +3
We present a detailed chemical abundance analysis of the parent star of the transiting extrasolar planet TrES-1. Based on high-resolution Keck/HIRES and HET/HRS spectra, we have de…
A Massive Planet to the Young Disc Star HD 81040
A. Sozzetti, S. Udry, S. Zucker +9
We report the discovery of a massive planetary companion orbiting the young disc star HD 81040. Based on five years of precise radial-velocity measurements with the HIRES and ELODI…
Dynamical Masses for Low-Mass Pre-Main Sequence Stars: A Preliminary Physical Orbit for HD 98800 B
A. F. Boden, A. I. Sargent, R. L. Akeson +7
We report on Keck Interferometer observations of the double-lined binary (B) component of the quadruple pre-main sequence (PMS) system HD 98800. With these interferometric observat…
Transit Photometry of the Core-Dominated Planet HD 149026b
David Charbonneau, Joshua N. Winn, David W. Latham +8
We report g, V, and r photometric time series of HD 149026 spanning predicted times of transit of the Saturn-mass planetary companion, which was recently discovered by Sato and col…
Detection of Thermal Emission from an Extrasolar Planet
David Charbonneau, Lori E. Allen, S. Thomas Megeath +8
We present Spitzer Space Telescope infrared photometric time series of the transiting extrasolar planet system TrES-1. The data span a predicted time of secondary eclipse, correspo…
The Challenge of Wide-Field Transit Surveys: The Case of GSC 01944-02289
Georgi Mandushev, Guillermo Torres, David W. Latham +7
Wide-field searches for transiting extra-solar giant planets face the difficult challenge of separating true transit events from the numerous false positives caused by isolated or…