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Understanding the Impacts of Stellar Companions on Planet Formation and Evolution: A Survey of Stellar and Planetary Companions within 25 pc
Lea A. Hirsch, Lee Rosenthal, Benjamin J. Fulton +10
We explore the impact of outer stellar companions on the occurrence rate of giant planets detected with radial velocities. We searched for stellar and planetary companions to a vol…
GPI 2.0 : Optimizing reconstructor performance in simulations and preliminary contrast estimates
Alexander Madurowicz, Bruce Macintosh, Lisa Poyneer +12
During its move from the mountaintop of Cerro Pachon in Chile to the peak of Mauna Kea in Hawaii, the Gemini Planet Imager will make a pit stop to receive various upgrades, includi…
GPI 2.0: Upgrades to the IFS including new spectral modes
Mary Anne Limbach, Jeffrey Chilcote, Quinn Konopacky +9
The Gemini Planet Imager (GPI) is a high-contrast imaging instrument designed to directly image and characterize exoplanets. GPI is currently undergoing several upgrades to improve…
Gemini Planet Imager Spectroscopy of the Dusty Substellar Companion HD 206893 B
K. Ward-Duong, J. Patience, K. Follette +55
We present new near-infrared Gemini Planet Imager (GPI) spectroscopy of HD 206893 B, a substellar companion orbiting within the debris disk of its F5V star. The , , , and…
Paving the Way to Future Missions: the Roman Space Telescope Coronagraph Technology Demonstration
B. Mennesson, R. Juanola-Parramon, B. Nemati +33
This document summarizes how far the Nancy Grace Roman Space Telescope Coronagraph Instrument (Roman CGI) will go toward demonstrating high-contrast imaging and spectroscopic requi…
Moderate-Resolution -Band Spectroscopy of Substellar Companion Andromedae b
Kielan K. Wilcomb, Quinn M. Konopacky, Travis S. Barman +5
We present moderate-resolution () band spectra of the "super-Jupiter," Andromedae b. The data were taken with the OSIRIS integral field spectrograph at Keck Obse…