activity
20142026
most citedThe Gemini Planet Imager: First Light

714 citations · 4.8k across the 84 of their papers we have counts for

collaborators
Showing astro-ph.EPShow all

49 papers · 1 filter

astro-ph.EP2026

A Candidate Innermost Fifth Planet In the HR 8799 System Revealed By JWST NIRISS Aperture Masking Interferometry

Jayke S. Nguyen, Louis Desdoigts, Alexandra Z. Greenbaum +20

We detect a candidate fifth planet in the HR 8799 system, directly imaged with the JWST/NIRISS Aperture Masking Interferometer (AMI). The detected source lies just above a con…

astro-ph.EP2025

Roman coronagraph simulations of exozodi observations in the presence of wavefront errors

Jorge Llop-Sayson, Vanessa P. Bailey, Justin Hom +6

The Coronagraph Instrument on board of the Nancy Grace Roman Space Telescope will demonstrate key technologies that will prepare the ground for the Habitable Worlds Observatory. Th…

astro-ph.EP2025★ 3 cited

HD 143811 AB b: A Directly Imaged Planet Orbiting a Spectroscopic Binary in Sco-Cen

Nathalie K. Jones, Jason J. Wang, Eric L. Nielsen +51

We present confirmation of HD 143811 AB b, a substellar companion to spectroscopic binary HD 143811 AB through direct imaging with the Gemini Planet Imager (GPI) and Keck NIRC2. HD…

astro-ph.EP2025

Characterization of the Host Binary of the Directly Imaged Exoplanet HD 143811 AB b

Anne E. Peck, William Roberson, Eric L. Nielsen +50

HD~143811~AB is the host star to the directly imaged planet HD~143811~AB~b, which was recently discovered using data from the Gemini Planet Imager and Keck NIRC2. A member of the S…

astro-ph.EP2025

Searching for Planets Orbiting ~Eridani with JWST/NIRCam

Jorge Llop-Sayson, Charles Beichman, Geoffrey Bryden +10

We present observations of \epseri~with the JWST/NIRCam coronagraph aimed at imaging planets orbiting within this system. In particular, these observations targeted (1) the Jupiter…

astro-ph.EP2024★ 5 cited

Searching for Planets Orbiting Vega with the James Webb Space Telescope

Charles Beichman, Geoffrey Bryden, Jorge Llop-Sayson +15

The most prominent of the IRAS debris disk systems, Lyrae (Vega), at a distance of 7.7 pc, has been observed by both the NIRCam and MIRI instruments on the James Webb Space Tel…