activity
20192026
most citedSN 2018hna: 1987A-like supernova with a signature of shock breakout

21 citations · 85 across the 35 of their papers we have counts for

collaborators

45 papers

astro-ph.IM2026

The Roman Coronagraph Community Participation Program: calibration strategy for the Mueller matrix using on-sky sources

Toshiyuki Mizuki, Justin Hom, Bertrand Mennesson +14

The Nancy Grace Roman Space Telescope Coronagraph Instrument will provide space-based polarimetric observations of circumstellar disks and exoplanetary systems. Accurate reconstruc…

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: target database and tools

Dmitry Savransky, Rifah Tasnim, Saanika Choudhary +13

The Nancy Grace Roman Space Telescope, set to launch in Fall 2026, will carry the Coronagraph Instrument, which will, for the first time, demonstrate high-contrast imaging with act…

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: trials and triumphs of designing an observing program for a technology demonstration instrument

Schuyler G. Wolff, Vanessa P. Bailey, Justin Hom +19

The Coronagraph Instrument onboard the Nancy Grace Roman Space Telescope serves as a crucial technology pathfinder for the Habitable Worlds Observatory, with on-sky verification of…

astro-ph.IM2026

The Roman Coronagraph Community Participation Program: pre-launch reference star list and impact of reference star properties on post-processing performance

Justin Hom, Schuyler G. Wolff, Jessica Gersh-Range +51

The upcoming Roman Coronagraph will be the first high-contrast instrument in space capable of high-order wavefront sensing and control technologies, a critical technology demonstra…

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

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…

astro-ph.IM2026

The Space Coronagraph Optical Bench (SCoOB): 11. Modeling and correction of chromatic aberrations

Kyle Van Gorkom, Ramya M. Anche, Saraswathi Kalyani Subramanian +12

The space coronagraph optical bench (SCoOB) is a high contrast imaging testbed designed to demonstrate starlight suppression techniques at visible wavelengths in a space-like vacuu…

astro-ph.IM2026

The Space Coronagraph Optical Bench (SCoOB): X. Dark zone maintenance

Saraswathi Kalyani Subramanian, Kyle Van Gorkom, Ramya Anche +12

The Space Coronagraph Optical Bench (SCoOB) is a vacuum high contrast imaging testbed designed to demonstrate starlight suppression at optical wavelengths and obtain contrasts bett…

astro-ph.IM2026

Design and modeling of an oblique incidence dichroic mirror for a high contrast imaging system

Joanna Rosenbluth, Ramya Anche, Kyle Van Gorkom +4

The proposed Habitable Worlds Observatory (HWO) aims to detect and characterize Earth-like planets around Sun-like stars from the ultraviolet to the infrared using high-contrast im…

astro-ph.IM2026

The Lazuli Space Observatory: Architecture & Capabilities

Arpita Roy, Stuart Feldman, Pete Klupar +51

The Lazuli Space Observatory is a 3-meter aperture astronomical facility designed for rapid-response observations and precision astrophysics across visible to near-infrared wavelen…

astro-ph.SR2025

CoronaGraph Instrument Reference stars for Exoplanets (CorGI-REx) I. Preliminary Vetting and Implications for the Roman Coronagraph and Habitable Worlds Observatory

Justin Hom, Schuyler G. Wolff, Catherine A. Clark +28

The upcoming Roman Coronagraph will be the first high-contrast instrument in space capable of high-order wavefront sensing and control technologies, a critical technology demonstra…

astro-ph.HE2025

Optimizing Kilonova Searches: A Case Study of the Type IIb SN 2025ulz in the Localization Volume of the Low-Significance Gravitational Wave Event S250818k

Noah Franz, Bhagya Subrayan, Charles D. Kilpatrick +54

Kilonovae, the ultraviolet/optical/infrared counterparts to binary neutron star mergers, are an exceptionally rare class of transients. Optical follow-up campaigns are plagued by c…

astro-ph.IM2025

Progress toward a demonstration of high contrast imaging at ultraviolet wavelengths

Kyle Van Gorkom, Ramya M. Anche, Christopher B. Mendillo +9

NASA's Habitable Worlds Observatory (HWO) aims to achieve starlight suppression to the level for the detection and spectral characterization of Earth-like exoplanets. Br…

astro-ph.IM2025

Optical design and polarimetric performance of a SmallSat UV polarimeter to study interstellar dust: PUFFINS

Ramya M Anche, Hyukmo Kang, Kyle Van Gorkom +19

The Polarimetry in the Ultraviolet to Find Features in INterStellar dust (PUFFINS) is a SmallSat mission concept designed to obtain ultraviolet (UV) spectropolarimetric observation…

astro-ph.IM2025

The Space Coronagraph Optical Bench (SCoOB): 8. end-to-end numerical modeling of the testbed to estimate the contrast limits

Ramya M Anche, Kyle Van Gorkom, Kian Milani +9

The space coronagraph optical bench (SCoOB) at the University of Arizona is a high-contrast imaging testbed designed to operate in a vacuum to obtain a contrast better than 1e-8 in…

astro-ph.IM2025

The Space Coronagraph Optical Bench (SCoOB): 7. design, fabrication, and first light for a self-coherent camera

Kevin Derby, Kian Milani, Grace C. Hathaway +10

The 2020 Decadal Survey on Astronomy and Astrophysics tasked future space observatories with the goal of detecting and characterizing a large sample of Earth-like exoplanets. To ac…

physics.optics2025

The Space Coronagraph Optical Bench (SCoOB): 6. demonstration of Lyot low order wavefront control combined with high order wavefront control using a vortex coronagraph

Kian Milani, Kyle Van Gorkom, Chris B. Mendillo +6

To reach and maintain high contrast levels, coronagraph instruments will require a combination of low-order and high-order wavefront control techniques to correct for dynamic wavef…

astro-ph.IM2025

Polarization aberration modeling of internal occulters for coronagraphs

Emory L. Jenkins, A J Eldorado Riggs, Ewan S. Douglas +3

The Habitable Worlds Observatory (HWO) is a flagship mission concept proposing to characterize earth-like exoplanets at high contrast with a coronagraph instrument. The most in-dep…

astro-ph.EP2025★ 5 cited

Review and prospects of hot exozodiacal dust research for future exo-Earth direct imaging missions

Steve Ertel, Tim D. Pearce, John H. Debes +12

Hot exozodiacal dust is dust in the innermost regions of planetary systems, at temperatures around 1000K to 2000K, and commonly detected by near-infrared interferometry. The phenom…

astro-ph.IM2025

Performance predictions and contrast limits for an ultraviolet high contrast imaging testbed

Kyle Van Gorkom, Ramya M. Anche, Christopher B. Mendillo +7

NASA's Habitable Worlds Observatory (HWO) concept and the 2020 Decadal Survey's recommendation to develop a large space telescope to "detect and characterize Earth-like extrasolar…

astro-ph.IM2025★ 4 cited

Polarization aberrations in next-generation Giant Segmented Mirror Telescopes (GSMTs). II. Influence of segment-to-segment coating variations on high-contrast imaging and polarimetry

Jaren N. Ashcraft, Ramya M. Anche, Sebastiaan Y. Haffert +8

Direct exo-Earth imaging is a key science goal for astronomy in the next decade. This ambitious task imposes a target contrast of ~10^-7 at wavelengths from I to J-band. In our pri…

astro-ph.EP2024★ 4 cited

A multi-technique detection of an eccentric giant planet around accelerating star HD 57625

D. Barbato, D. Mesa, V. D'Orazi +42

The synergy between different detection methods is a key asset in exoplanetology, allowing for both precise characterization of detected exoplanets and robust constraints even in t…