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AC Her: Evidence of the first polar circumbinary planet
Rebecca G. Martin, Stephen H. Lubow, David Vallet +2
We examine the geometry of the post-asymptotic giant branch (AGB) star binary AC Her and its circumbinary disk. We show that the observations describe a binary orbit that is perpen…
The Solar Neighborhood XLIX: Nine Giant Planets Orbiting Nearby K Dwarfs, and the CHIRON Spectrograph's Radial Velocity Performance
Leonardo A. Paredes, Todd J. Henry, Samuel N. Quinn +5
We report initial results of a large radial velocity survey of K dwarfs up to a distance of 50 pc from the Solar System, to look for stellar, brown dwarf, and jovian planets using…
Stellar Diameters and Temperatures V. Eleven Newly Characterized Exoplanet Host Stars
Kaspar von Braun, Tabetha S. Boyajian, Gerard T. van Belle +17
We use near-infrared interferometric data coupled with trigonometric parallax values and spectral energy distribution fitting to directly determine stellar radii, effective tempera…