activity
20092026
most citedProbing for Exoplanets Hiding in Dusty Debris Disks: Disk Imaging, Characterization, and Exploration with HST/STIS Multi-Roll Coronagraphy

225 citations · 425 across the 14 of their papers we have counts for

collaborators

16 papers

astro-ph.EP2026

Deep HST/STIS Coronagraphic Imaging of the Pictoris Debris Disk: On the Scattered Light Component of the Cat's Tail

Arin M. Avsar, Kevin Wagner, Daniel Apai +6

The Pictoris debris disk is a unique system where mid-infrared coronagraphic imaging with JWST/MIRI revealed a new spatially resolved substructure known as the Cat's Tail. We p…

astro-ph.SR2026

The JWST/NIRCam Scattered Light Disks GTO 2780 program: panchromatic coronagraphic imaging of the HD 10647, HD 32297, HD 61005, HD 107146, and HD 181327 debris disk systems

András Gáspár, Jarron M. Leisenring, Schuyler Grace Wolff +13

Debris disks, composed of rocks, boulders, planetesimals, and the dust produced in their collisions, present the most readily observable components of mature planetary systems. The…

astro-ph.EP2026

Forecasting Catastrophe: Constraints on the Fomalhaut Main Belt Planetesimal Population from Observed Collisional Remnants

Arin M. Avsar, Kevin Wagner, Dániel Apai +2

Catastrophic planetesimal disruptions offer a unique opportunity to study and characterize large planetesimal populations in exoplanetary systems that are not currently detectable…

astro-ph.EP2025

Theory of Exozodi Sources and Dust Evolution

Mark C. Wyatt, Tim D. Pearce, Nicole Pawellek +5

Exozodiacal dust disks (exozodis) are populations of warm (~300K) or hot (~1000K) dust, located in or interior to a star's habitable zone, detected around ~25% of main-sequence sta…

astro-ph.EP2024

A Search for Collisions and Planet-Disk Interactions in the Beta Pictoris Disk with 26 Years of High Precision HST/STIS Imaging

Arin M. Avsar, Kevin Wagner, Dániel Apai +2

Beta Pictoris (Beta Pic)'s well-studied debris disk and two known giant planets, in combination with the stability of HST/STIS (and now also JWST), offers a unique opportunity to t…

astro-ph.EP2024★ 4 cited

Deepest limits on scattered light emission from the Epsilon Eridani inner debris disk with HST/STIS

Sai Krishanth P. M., Ewan S. Douglas, Ramya M. Anche +9

Epsilon Eridani ( Eri) is one of the first debris disk systems detected by the Infrared Astronomical Satellite (IRAS). However, the system has thus far eluded detection in scatt…

astro-ph.EP2024

MIRI MRS Observations of Beta Pictoris II. The Spectroscopic Case for a Recent Giant Collision

Christine H. Chen, Cicero X. Lu, Kadin Worthen +17

Modeling observations of the archetypal debris disk around Pic, obtained in 2023 January with the MIRI MRS on board JWST, reveals significant differences compared with that obt…

astro-ph.EP2024★ 18 cited

JWST-TST High Contrast: JWST/NIRCam observations of the young giant planet Pic b

Jens Kammerer, Kellen Lawson, Marshall D. Perrin +14

We present the first JWST/NIRCam observations of the directly-imaged gas giant exoplanet Pic b. Observations in six filters using NIRCam's round coronagraphic masks provide a h…

astro-ph.EP2024

A Uniform Analysis of Debris Disks with the Gemini Planet Imager II: Constraints on Dust Density Distribution Using Empirically-Informed Scattering Phase Functions

Justin Hom, Jennifer Patience, Christine H. Chen +40

Spatially-resolved images of debris disks are necessary to determine disk morphological properties and the scattering phase function (SPF) which quantifies the brightness of scatte…

astro-ph.EP2024

MIRI MRS Observations of Beta Pictoris I. The Inner Dust, the Planet, and the Gas

Kadin Worthen, Christine H. Chen, David R. Law +15

We present JWST MIRI Medium Resolution Spectrograph (MRS) observations of the Pictoris system. We detect an infrared excess from the central unresolved point source from 5 to 7…

astro-ph.EP2024

JWST-TST High Contrast: Asymmetries, dust populations and hints of a collision in the Pictoris disk with NIRCam and MIRI

Isabel Rebollido, Christopher C. Stark, Jens Kammerer +21

We present the first JWST MIRI and NIRCam observations of the prominent debris disk around Beta Pictoris. Coronagraphic observations in 8 filters spanning from 1.8 to 23~m provi…

astro-ph.EP2023

A Uniform Analysis of Debris Disks with the Gemini Planet Imager I: An Empirical Search for Perturbations from Planetary Companions in Polarized Light Images

Katie A. Crotts, Brenda C. Matthews, Gaspard Duchêne +37

The Gemini Planet Imager (GPI) has excelled in imaging debris disks in the near-infrared. The GPI Exoplanet Survey (GPIES) imaged twenty-four debris disks in polarized -band lig…

astro-ph.SR2016★ 14 cited

A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs

Ben Burningham, M. Hardcastle, J. D. Nichols +9

We have conducted a mini-survey for low-frequency radio emission from some of the closest brown dwarfs to the Sun with rapid rotation rates: SIMP J013656.5+093347, WISEPC J150649.9…

astro-ph.EP2016★ 158 cited

Exocometary gas in the HD 181327 debris ring

S. Marino, L. Matra, C. Stark +14

An increasing number of observations have shown that gaseous debris discs are not an exception. However, until now we only knew of cases around A stars. Here we present the first d…

astro-ph.IM2014★ 225 cited

Probing for Exoplanets Hiding in Dusty Debris Disks: Disk Imaging, Characterization, and Exploration with HST/STIS Multi-Roll Coronagraphy

Glenn Schneider, Carol A. Grady, Dean C. Hines +16

Spatially resolved scattered-light images of circumstellar (CS) debris in exoplanetary systems constrain the physical properties and orbits of the dust particles in these systems.…

astro-ph.EP2009★ 6 cited

Exoplanet Characterization and the Search for Life

J. Kasting, W. Traub, A. Roberge +119

Over 300 extrasolar planets (exoplanets) have been detected orbiting nearby stars. We now hope to conduct a census of all planets around nearby stars and to characterize their atmo…