collaborators

6 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.IM2026

The Roman Coronagraph Community Participation Program: Observation planning and data reduction for polarimetric mode

Ramya M Anche, Toshiyuki Mizuki, Justin Hom +25

Reflected-light polarimetry of exoplanets constrains and resolves degeneracies in atmospheric properties, while polarized light observations of debris disks enable the characteriza…

astro-ph.IM2026

The Roman Coronagraph Community Participation Program: data reduction pipeline design and implementation

Jason J. Wang, Maxwell A. Millar-Blanchaer, Marie Ygouf +39

The Roman Space Telescope Coronagraph Instrument will demonstrate a series of technologies and techniques to enable the direct detection of reflected-light planets with space-based…

astro-ph.IM2026

CATKit2-HCI: a collaborative framework for advancing high-contrast coronagraph testbeds

Rémi Soummer, Iva Laginja, Emiel H. Por +19

High-contrast exoplanet imaging requires dedicated laboratory testbeds for the development and validation of coronagraph architectures, wavefront sensing and control methods, calib…

astro-ph.IM2026

Enhanced wavefront sensing for the Roman Coronagraph Instrument: Gaussian probes and compact model validation

Lukas Delaye, Iva Laginja, Pierre Baudoz +10

The paper evaluates the use of Gaussian probe patterns for focal‑plane wavefront sensing in the Roman Space Telescope's Coronagraph Instrument, showing via simulations that they ca…