activity
20122026
most citedChasing rainbows and ocean glints: Inner working angle constraints for the Habitable Worlds Observatory

38 citations · 143 across the 15 of their papers we have counts for

collaborators

17 papers

astro-ph.EP2026

Science-Driven Performance Requirements for UV Coronagraph Design: Implications for O Detection in Earth-like Atmospheres

Amber V. Young, Giada Arney, Shawn Domagal-Goldman +6

Detecting biosignatures on Earth-like exoplanets from the Proterozoic era requires instrumentation capable of probing near-ultraviolet (NUV) spectral features, particularly ozone (…

astro-ph.IM2024

Innovative SiC ultraviolet instrumentation development with potential applications for the Habitable Worlds Observatory

Prabal Saxena, Zeynep Dilli, Peter Snapp +27

In this paper, we detail recent and current work that is being carried out to fabricate and advance novel SiC UV instrumentation that is aimed at enabling more sensitive measuremen…

astro-ph.IM2024

Current laboratory performance of starlight suppression systems, and potential pathways to desired Habitable Worlds Observatory exoplanet science capabilities

Bertrand Mennesson, Ruslan Belikov, Emiel Por +34

We summarize the current best polychromatic (10 to 20 % bandwidth) contrast performance demonstrated in the laboratory by different starlight suppression approaches and systems des…

astro-ph.EP2023

Mitigating Worst-Case Exozodiacal Dust Structure in High-contrast Images of Earth-like Exoplanets

Miles H. Currie, Christopher C. Stark, Jens Kammerer +2

Detecting Earth-like exoplanets in direct images of nearby Sun-like systems brings a unique set of challenges that must be addressed in the early phases of designing a space-based…

astro-ph.IM2023★ 2 cited

Integrated photonic-based coronagraphic systems for future space telescopes

Niyati Desai, Lorenzo König, Emiel Por +38

The detection and characterization of Earth-like exoplanets around Sun-like stars is a primary science motivation for the Habitable Worlds Observatory. However, the current best te…

astro-ph.EP2023★ 1 cited

Visible extreme adaptive optics on extremely large telescopes: Towards detecting oxygen in Proxima Centauri b and analogs

J. Fowler, Sebastiaan Y. Haffert, Maaike A. M. van Kooten +38

Looking to the future of exo-Earth imaging from the ground, core technology developments are required in visible extreme adaptive optics (ExAO) to enable the observation of atmosph…

astro-ph.EP2023★ 38 cited

Chasing rainbows and ocean glints: Inner working angle constraints for the Habitable Worlds Observatory

Sophia R. Vaughan, Timothy D. Gebhard, Kimberly Bott +41

NASA is engaged in planning for a Habitable Worlds Observatory (HabWorlds), a coronagraphic space mission to detect rocky planets in habitable zones and establish their habitabilit…

astro-ph.EP2022★ 12 cited

Simulating reflected light coronagraphy of Earth-like exoplanets with a large IR/O/UV space telescope: impact and calibration of smooth exozodiacal dust

Jens Kammerer, Christopher C. Stark, Kevin J. Ludwick +2

Observing Earth-like exoplanets orbiting within the habitable zone of Sun-like stars and studying their atmospheres in reflected starlight requires contrasts of $\sim1\mathrm{e}{-1…

astro-ph.IM2022★ 7 cited

Adaptive optics performance of a simulated coronagraph instrument on a large, segmented space telescope in steady state

Axel Potier, Garreth Ruane, Christopher C. Stark +9

Directly imaging Earth-like exoplanets (``exoEarths'') with a coronagraph instrument on a space telescope requires a stable wavefront with optical path differences limited to tens…

astro-ph.IM2022

Contrast performance of an 8m off-axis, segmented space telescope equipped with an adaptive optics system

Axel Potier, Garreth Ruane, Kiarash Tajdaran +9

The Astro2020 decadal survey recommended an infrared, optical, ultra-violet (IR/O/UV) telescope with a 6~m inscribed diameter and equipped with a coronagraph instrument to di…

astro-ph.EP2021

The science case for spacecraft exploration of the Uranian satellites: Candidate ocean worlds in an ice giant system

Richard J. Cartwright, Chloe B. Beddingfield, Tom A. Nordheim +15

The 27 satellites of Uranus are enigmatic, with dark surfaces coated by material that could be rich in organics. Voyager 2 imaged the southern hemispheres of Uranus' five largest '…

astro-ph.IM2020★ 19 cited

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…

astro-ph.IM2020

The Science Case for Spacecraft Exploration of the Uranian Satellites

Richard J. Cartwright, Chloe B. Beddingfield, Tom Nordheim +14

The five classical Uranian moons are possible ocean worlds that exhibit bizarre geologic landforms, hinting at recent surface-interior communication. However, Uranus' classical moo…

astro-ph.IM2019★ 25 cited

High-Contrast Testbeds for Future Space-Based Direct Imaging Exoplanet Missions

Johan Mazoyer, Pierre Baudoz, Ruslan Belikov +25

Instrumentation techniques in the field of direct imaging of exoplanets have greatly advanced over the last two decades. Two of the four NASA-commissioned large concept studies inv…

astro-ph.EP2019★ 2 cited

Exploring the composition of icy bodies at the fringes of the Solar System with next generation space telescopes

Richard J. Cartwright, Bryan Holler, Susan Benecchi +4

Determining the distribution and spectral signature of volatile ices and organics exposed on icy body surfaces can provide crucial clues for deciphering how the outer solar system…

astro-ph.IM2015★ 8 cited

Far-Infrared double-Fourier interferometers and their spectral sensitivity

Maxime J. Rizzo, Lee G. Mundy, Stephen A. Rinehart +7

Double-Fourier interferometry is the most viable path to sub-arcsecond spatial resolution for future astronomical instruments that will observe the universe at far-infrared wavelen…

astro-ph.IM2012★ 29 cited

A Demonstration of Spectral and Spatial Interferometry at THz Frequencies

William F. Grainger, Roser Juanola-Parramon, Peter A. R. Ade +5

A laboratory prototype spectral/spatial interferometer has been constructed to demonstrate the feasibility of the double Fourier technique at Far Infrared (FIR) wavelengths (0.15 -…