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Dynamical Mass Measurement of the Young Spectroscopic Binary V343 Normae AaAb Resolved With the Gemini Planet Imager
Eric L. Nielsen, Robert J. De Rosa, Jason Wang +44
We present new spatially resolved astrometry and photometry from the Gemini Planet Imager of the inner binary of the young multiple star system V343 Normae, which is a member of th…
Status and performance of the Gemini Planet Imager adaptive optics system
Vanessa P. Bailey, Lisa A. Poyneer, Bruce A. Macintosh +14
The Gemini Planet Imager is a high-contrast near-infrared instrument specifically designed to image exoplanets and circumstellar disks over a narrow field of view. We use science d…
Imaging an 80 AU Radius Dust Ring Around the F5V Star HD 157587
Maxwell A. Millar-Blanchaer, Jason Wang, Paul Kalas +55
We present -band near-infrared polarimetric imaging observations of the F5V star HD~157587 obtained with the Gemini Planet Imager (GPI) that reveal the debris disk as a bright r…
Discovery of a Substellar Companion to the Nearby Debris Disk Host HR 2562
Quinn M. Konopacky, Julien Rameau, Gaspard Duchene +54
We present the discovery of a brown dwarf companion to the debris disk host star HR 2562. This object, discovered with the Gemini Planet Imager (GPI), has a projected separation of…
The Orbit and Transit Prospects for Pictoris b constrained with One Milliarcsecond Astrometry
Jason J. Wang, James R. Graham, Laurent Pueyo +51
A principal scientific goal of the Gemini Planet Imager (GPI) is obtaining milliarcsecond astrometry to constrain exoplanet orbits. However, astrometry of directly imaged exoplanet…
Zodiacal Exoplanets in Time (ZEIT) II. A "Super-Earth" Orbiting a Young K Dwarf in the Pleiades Neighborhood
E. Gaidos, A. W. Mann, A. RIzzuto +13
We describe a "super-Earth"-size () planet transiting an early K-type dwarf star in the Campaign 4 field observed by the K2 mission. The host star, EPIC 2103…
Bringing "The Moth" to Light: A Planet-Sculpting Scenario for the HD 61005 Debris Disk
Thomas M. Esposito, Michael P. Fitzgerald, James R. Graham +20
The HD 61005 debris disk ("The Moth") stands out from the growing collection of spatially resolved circumstellar disks by virtue of its unusual swept-back morphology, brightness as…