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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…
Characterization of the atmosphere of the hot Jupiter HAT-P-32Ab and the M-dwarf companion HAT-P-32B
Ming Zhao, Joseph G. O'Rourke, Jason T. Wright +13
We report secondary eclipse photometry of the hot Jupiter HAT-P-32Ab, taken with Hale/WIRC in H and Ks bands and with Spitzer/IRAC at 3.6 and 4.5 micron. We carried out adaptive op…
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…
Gemini Planet Imager Observational Calibrations V: Astrometry and Distortion
Quinn M. Konopacky, Sandrine J. Thomas, Bruce A. Macintosh +24
We present the results of both laboratory and on sky astrometric characterization of the Gemini Planet Imager (GPI). This characterization includes measurement of the pixel scale o…
Three Wide Planetary-Mass Companions to FW Tau, ROXs 12, and ROXs 42B
Adam L. Kraus, Michael J. Ireland, Lucas A. Cieza +4
We report the discovery of three planetary-mass companions (M = 6--20 ) in wide orbits ( 150--300 AU) around the young stars FW Tau (Taurus-Auriga), ROXs 12 (Ophiuc…