collaborators

5 papers

astro-ph.IM2026

The Roman Coronagraph Community Participation Program: early calibration plan and pilot observation of a companion

Julien H. Girard, Eric Cady, Neil T. Zimmerman +42

Roman is set to launch in weeks! The Coronagraph Instrument - technology pathfinder for future direct imaging missions - is ready to fly too. According to predictions, laboratory t…

astro-ph.IM2026

The Roman Coronagraph Community Participation Program: corgisim - a simulation suite for the Nancy Grace Roman Space Telescope Coronagraph Instrument

Jingwen Zhang, Sophie Noiret, Maxwell A. Millar Blanchaer +14

NASA's Roman Space Telescope will feature a pathfinder Coronagraph Instrument to demonstrate advanced high-contrast imaging from space, paving the way for future missions like the…

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.IM2025

High-order wavefront sensing and control for the Roman Coronagraph Instrument (CGI): architecture and measured performance

Eric Cady, Nicholas Bowman, Alexandra Z. Greenbaum +10

The Nancy Grace Roman Space Telescope (``Roman'') is a 2.4m space telescope scheduled for a 2026 launch. The Coronagraph Instrument (CGI) on Roman is a technology-demonstration ins…

astro-ph.IM2025

Cross-Model Validation of Coronagraphic Exposure Time Calculators for the Habitable Worlds Observatory: A Report from the Exoplanet Science Yield sub-Working Group

Christopher C. Stark, Sarah Steiger, Armen Tokadjian +9

Estimating the exoplanet scientific productivity of the Habitable Worlds Observatory requires estimating science exposure times. From exoplanet yields to spectral retrievals, expos…