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Direct Spectrum of the Benchmark T dwarf HD 19467 B
Justin R. Crepp, Emily L. Rice, AAron Veicht +18
HD 19467 B is presently the only directly imaged T dwarf companion known to induce a measurable Doppler acceleration around a solar type star. We present spectroscopy measurements…
Improving Planet-Finding Spectrometers
Justin R. Crepp
Like the miniaturization of modern computers, next-generation radial velocity instruments will be significantly smaller and more powerful than their predecessors.
The LEECH Exoplanet Imaging Survey. Further constraints on the planet architecture of the HR 8799 system
A. -L. Maire, A. J. Skemer, P. M. Hinz +36
Context. Astrometric monitoring of directly-imaged exoplanets allows the study of their orbital parameters and system architectures. Because most directly-imaged planets have long…
High-resolution Multi-band Imaging for Validation and Characterization of Small Kepler Planets
Mark E. Everett, Thomas Barclay, David R. Ciardi +4
High-resolution ground-based optical speckle and near-infrared adaptive optics images are taken to search for stars in close angular proximity to host stars of candidate planets id…
Reconnaissance of the HR 8799 Exosolar System II: Astrometry and Orbital Motion
L. Pueyo, R. Soummer, J. Hoffmann +30
We present an analysis of the orbital motion of the four sub-stellar objects orbiting HR8799. Our study relies on the published astrometric history of this system augmented with an…
High contrast imaging at the LBT: the LEECH exoplanet imaging survey
Andrew J. Skemer, Philip Hinz, Simone Esposito +34
In Spring 2013, the LEECH (LBTI Exozodi Exoplanet Common Hunt) survey began its 130-night campaign from the Large Binocular Telescope (LBT) atop Mt Graham, Arizona. This surv…