activity
20152025
most citedCircumbinary, not transitional: On the spiral arms, cavity, shadows, fast radial flows, streamers and horseshoe in the HD142527 disc

186 citations · 2.6k across the 61 of their papers we have counts for

collaborators

60 papers

astro-ph.EP2025

Observational Constraints on Evolution of Dust Disc Properties in Upper Scorpius

Paola Pinilla, Anibal Sierra, Nicolas T. Kurtovic +8

Protoplanetary discs in the Upper Scorpius star-forming region are excellent laboratories to investigate late stages of planet formation. In this work, we analyse the morphology of…

astro-ph.EP2025

Follow-Up Exploration of the TWA 7 Planet-Disk System with JWST NIRCam

Katie A. Crotts, Aarynn L. Carter, Kellen Lawson +39

The young M-star TWA 7 hosts a bright and near face-on debris disk, which has been imaged from the optical to the submillimeter. The disk displays multiple complex substructures su…

astro-ph.EP2025★ 2 cited

HD 143006: Interferometric Confirmation of Misaligned Protoplanetary Disc with CHARA/MIRCX and VLTI/PIONIER

I. Codron, S. Kraus, J. D. Monnier +7

The outer regions of the protoplanetary disc surrounding the T Tauri star HD 143006 show rings, dust asymmetries and shadows. Whilst rings and dust asymmetries can arise from compa…

astro-ph.EP2024★ 3 cited

Abundant sub-micron grains revealed in newly discovered extreme debris discs

A. Moór, P. Ábrahám, K. Y. L. Su +7

Extreme debris discs (EDDs) are bright and warm circumstellar dusty structures around main sequence stars. They may represent the outcome of giant collisions occuring in the terres…

astro-ph.EP2024

Dynamics of cold circumstellar gas in debris disks

Can Cui, Sebastian Marino, Quentin Kral +1

Mounting observational evidence indicates that cold circumstellar gas is present in debris disk systems. This work focuses on various dynamical processes that debris-disk gas may u…

astro-ph.EP2023★ 1 cited

Secondary gas in debris discs released following the decay of long-lived radioactive nuclides, catastrophic or resurfacing collisions

Amy Bonsor, Mark C. Wyatt, Sebastian Marino +3

Kuiper-like belts of planetesimals orbiting stars other than the Sun are most commonly detected from the thermal emission of small dust produced in collisions. Emission from gas, m…

astro-ph.EP2023★ 27 cited

Deprojecting and constraining the vertical thickness of exoKuiper belts

James Terrill, Sebastian Marino, Richard A. Booth +3

Constraining the vertical and radial structure of debris discs is crucial to understanding their formation, evolution and dynamics. To measure both the radial and vertical structur…

astro-ph.EP2023★ 27 cited

Primordial or Secondary? Testing models of debris disk gas with ALMA

Gianni Cataldi, Yuri Aikawa, Kazunari Iwasaki +13

The origin and evolution of gas in debris disks is still not well understood. Secondary gas production from cometary material or a primordial origin have been proposed. So far, obs…

astro-ph.EP2023★ 15 cited

Inner edges of planetesimal belts: collisionally eroded or truncated?

Amaia Imaz Blanco, Sebastian Marino, Luca Matrà +9

The radial structure of debris discs can encode important information about their dynamical and collisional history. In this paper we present a 3-phase analytical model to analyse…

astro-ph.EP2023★ 79 cited

AF Lep b: the lowest mass planet detected coupling astrometric and direct imaging data

D. Mesa, R. Gratton, P. Kervella +6

Aims. Using the direct imaging technique we searched for low mass companions around the star AF Lep that presents a significant proper motion anomaly (PMa) signal obtained from the…

astro-ph.GA2022★ 49 cited

PRODIGE -- Envelope to Disk with NOEMA II. Small-scale temperature structure and a streamer feeding the SVS13A protobinary using CH3CN and DCN

T. -H. Hsieh, D. M. Segura-Cox, J. E. Pineda +18

Aims. We present high sensitivity and high-spectral resolution NOEMA observations of the Class 0/I binary system SVS13A, composed of the low-mass protostars VLA4A and VLA4B with a…

astro-ph.SR2022★ 27 cited

ALMA Observations of the HD~110058 debris disk

Antonio S. Hales, SebastiÁn Marino, Patrick D. Sheehan +7

We present Atacama Large Millimeter Array (ALMA) observations of the young, gas-rich debris disk around HD110058 at 0.3-0.6\arcsec resolution. The disk is detected in the 0.85 and…

astro-ph.EP2022★ 9 cited

High resolution ALMA and HST imaging of CrB: a broad debris disc around a post-main sequence star with low-mass companions

J. B. Lovell, M. C. Wyatt, P. Kalas +6

CrB is a Gyr old K1 sub-giant star, with an eccentric exo-Jupiter at au and a debris disc at tens of au. We present ALMA Band 6 (mm) and HST sca…

astro-ph.EP2022★ 176 cited

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 Micron Spectrum of the Planetary-Mass Companion VHS 1256-1257 b

Brittany E. Miles, Beth A. Biller, Polychronis Patapis +101

We present the highest fidelity spectrum to date of a planetary-mass object. VHS 1256 b is a 20 M widely separated (8\arcsec, a = 150 au), young, planetary-…

astro-ph.EP2022

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High Contrast Imaging of the Exoplanet HIP 65426 b from 2-16 m

Aarynn L. Carter, Sasha Hinkley, Jens Kammerer +108

We present JWST Early Release Science (ERS) coronagraphic observations of the super-Jupiter exoplanet, HIP 65426 b, with the Near-Infrared Camera (NIRCam) from 2-5 m, and with t…

astro-ph.GA2022★ 100 cited

PRODIGE -- Envelope to disk with NOEMA I. A 3000 au streamer feeding a Class I protostar

M. T. Valdivia-Mena, J. E. Pineda, D. M. Segura-Cox +19

Context. In the past few years, there has been a rise in the detection of streamers, asymmetric flows of material directed toward the protostellar disk with material from outside t…

astro-ph.EP2022★ 22 cited

Vertical evolution of exocometary gas: I. How vertical diffusion shortens the CO lifetime

S. Marino, G. Cataldi, M. R. Jankovic +2

Bright debris discs can contain large amounts of CO gas. This gas was thought to be a protoplanetary remnant until it was recently shown that it could be released in collisions of…

astro-ph.EP2022★ 11 cited

Constraining masses and separations of unseen companions to five accelerating nearby stars

D. Mesa, M. Bonavita, S. Benatti +39

Aims. This work aims at constraining the masses and separations of potential substellar companions to five accelerating stars (HIP 1481, HIP 88399, HIP 96334, HIP 30314 and HIP 116…

astro-ph.EP2022★ 51 cited

The JWST Early Release Science Program for the Direct Imaging & Spectroscopy of Exoplanetary Systems

Sasha Hinkley, Aarynn L. Carter, Shrishmoy Ray +83

The direct characterization of exoplanetary systems with high contrast imaging is among the highest priorities for the broader exoplanet community. As large space missions will be…

astro-ph.EP2022★ 6 cited

ALMA's view of the M-dwarf GSC 07396-00759's edge-on debris disc: AU Mic's coeval twin

Patrick F. Cronin-Coltsmann, Grant M. Kennedy, Christian Adam +7

We present new ALMA Band 7 observations of the edge-on debris disc around the M1V star GSC 07396-00759. At ~20 Myr old and in the beta Pictoris Moving Group along with AU Mic, GSC…

astro-ph.EP2021★ 11 cited

The protoplanetary disc around HD 169142: circumstellar or circumbinary?

P. P. Poblete, N. Cuello, S. Pérez +12

Stellar binaries represent a substantial fraction of stellar systems, especially among young stellar objects. Accordingly, binaries play an important role in setting the architectu…

astro-ph.EP2021★ 14 cited

High-resolution ALMA observations of V4046Sgr: a circumbinary disc with a thin ring

Rafael Martinez-Brunner, Simon Casassus, Sebastián Pérez +8

The nearby V4046 Sgr spectroscopic binary hosts a gas-rich disc known for its wide cavity and dusty ring. We present high resolution (20 mas or 1.4 au) ALMA observations of t…

astro-ph.EP2021★ 24 cited

Carbon monoxide gas produced by a giant impact in the inner region of a young system

Tajana Schneiderman, Luca Matrà, Alan P. Jackson +7

Models of terrestrial planet formation predict that the final stages of planetary assembly, lasting tens of millions of years beyond the dispersal of young protoplanetary disks, ar…

astro-ph.EP2021★ 21 cited

The formation of wide exoKuiper belts from migrating dust traps

E. Miller, S. Marino, S. M. Stammler +4

The question of what determines the width of Kuiper belt analogues (exoKuiper belts) is an open one. If solved, this understanding would provide valuable insights into the architec…