activity
20202026
most citedNine localised deviations from Keplerian rotation in the DSHARP circumstellar disks: Kinematic evidence for protoplanets carving the gaps

162 citations · 464 across the 34 of their papers we have counts for

collaborators

35 papers

astro-ph.EP2026

JWST/MIRI Imaging Search for Kinematically Detected Protoplanetary Candidates

G. Cugno, M. Benisty, R. Teague +32

Kinematic perturbations observed with ALMA in CO line emission provide evidence for a population of embedded giant protoplanets shaping the structure of protoplanetary disks. We pr…

astro-ph.EP2026

Mapping the WISPIT2 Planet-Hosting Cavity at Sub-Hill-Radius scales

Myriam Benisty, Stefano Facchini, Richard Teague +6

We present new deep, very high angular resolution observations of the sub-mm continuum (19x13 mas) and 12CO (67x52 mas) emission from the disk surrounding the planet host WISPIT2.…

astro-ph.SR2026

Dust traps and gas kinematic signatures in a crescent structure of a planet-forming disk

Greta Guidi, François Menard, Daniel J. Price +2

In the past few years, ALMA unveiled a variety of substructures (rings, spirals, crescents) in the continuum emission of most protoplanetary disks imaged at high spatial resolution…

astro-ph.EP2026★ 3 cited

exoALMA XXI: The Morphology and Dynamics of Vertical Flows

Myriam Benisty, Andres F. Izquierdo, Jochen Stadler +33

Vertical gas flows, such as winds and meridional circulations, are natural outcomes of protoplanetary disk processes and play a critical role in the earliest stages of planet forma…

astro-ph.EP2026★ 3 cited

exoALMA XIX: Confirmation of Non-thermal Line Broadening in the DM Tau Protoplanetary Disk

Caitlyn Hardiman, Christophe Pinte, Daniel J. Price +38

Turbulence is expected to transport angular momentum and drive mass accretion in protoplanetary disks. One way to directly measure turbulent motion in disks is through molecular li…

astro-ph.SR2025★ 5 cited

Evidence for the Keplerian orbit of a close companion around a giant star

Mats Esseldeurs, Leen Decin, Joris De Ridder +31

Close companions influence stellar evolution through tidal interactions, mass transfer, and mass loss effects. While such companions are detected around young stellar objects, main…

astro-ph.EP2025★ 2 cited

Asymmetric radiation in binary systems: Implications for disk evolution and chemistry

Pedro P. Poblete, Nicolás Cuello, Antoine Alaguero +4

Current models of binary systems often depend on simplified approach of the radiation field, which are unlikely to accurately capture the complexities of asymmetric environments. W…

astro-ph.EP2025

exoALMA. XVIII. Interpreting large scale kinematic structures as moderate warping

Andrew J. Winter, Myriam Benisty, Andrés F. Izquierdo +28

The exoALMA program gave an unprecedented view of the complex kinematics of protoplanetary disks, revealing diverse structures that remain poorly understood. We show that moderate…

astro-ph.EP2025

ExoALMA XIII. gas masses from N2H+ and C18O: a comparison of protoplanetary gas disk mass measurement techniques

Leon Trapman, Cristiano Longarini, Giovanni P. Rosotti +37

The gas masses of protoplanetary disks are important but elusive quantities. In this work we present new ALMA observations of N2H+ (3-2) for 11 exoALMA disks. N2H+ is a molecule se…

astro-ph.EP2025

exoALMA VII: Benchmarking Hydrodynamics and Radiative Transfer Codes

Jaehan Bae, Mario Flock, Andres Izquierdo +25

Forward modeling is often used to interpret substructures observed in protoplanetary disks. To ensure the robustness and consistency of the current forward modeling approach from t…

astro-ph.EP2025★ 8 cited

Keplerian motion of a compact source orbiting the inner disc of PDS 70: a third protoplanet in resonance with b and c?

Iain Hammond, Valentin Christiaens, Daniel J. Price +10

The disc around PDS 70 hosts two directly imaged protoplanets in a gap. Previous VLT/SPHERE and recent James Webb Space Telescope/NIRCam observations have hinted at the presence of…

astro-ph.EP2025★ 25 cited

exoALMA. VI. Rotating under Pressure: Rotation curves, azimuthal velocity substructures, and pressure variations

Jochen Stadler, Myriam Benisty, Andrew J. Winter +36

The bulk motion of the gas in protoplanetary disks around newborn stars is nearly Keplerian. By leveraging the high angular and spectral resolution of ALMA, we can detect small-sca…

astro-ph.EP2025★ 16 cited

exoALMA. XVII. Characterizing the Gas Dynamics around Dust Asymmetries

Lisa Wölfer, Marcelo Barraza-Alfaro, Richard Teague +31

The key planet-formation processes in protoplanetary disks remain an active matter of research. One promising mechanism to radially and azimuthally trap millimeter-emitting dust gr…

astro-ph.EP2025★ 17 cited

exoALMA XV: Interpreting the height of CO emission layer

Giovanni P. Rosotti, Cristiano Longarini, Teresa Paneque-Carreño +32

The availability of exquisite data and the development of new analysis techniques have enabled the study of emitting heights in proto-planetary disks. In this paper we introduce a…

astro-ph.EP2025★ 37 cited

exoALMA III: Line-intensity Modeling and System Property Extraction from Protoplanetary Disks

Andrés F. Izquierdo, Jochen Stadler, Maria Galloway-Sprietsma +37

The ALMA large program exoALMA offers a unique window into the three-dimensional physical and dynamical properties of 15 circumstellar disks where planets may be actively forming.…

astro-ph.EP2025★ 37 cited

exoALMA V: Gaseous Emission Surfaces and Temperature Structures

Maria Galloway-Sprietsma, Jaehan Bae, Andrés F. Izquierdo +35

Analysis of the gaseous component in protoplanetary disks can inform us about their thermal and physical structure, chemical composition, and kinematic properties, all of which are…

astro-ph.EP2025

exoALMA II: Data Calibration and Imaging Pipeline

Ryan A. Loomis, Stefano Facchini, Myriam Benisty +30

The exoALMA Large Program was designed to search for subtle kinematic deviations from Keplerian motion, indicative of embedded planets, in high angular and spectral resolution Band…

astro-ph.EP2025

exoALMA XI: ALMA Observations and Hydrodynamic Models of LkCa 15: Implications for Planetary Mass Companions in the Dust Continuum Cavity

Charles H. Gardner, Andrea Isella, Hui Li +43

In the past decade, the Atacama Large Millimeter/submillimeter Array (ALMA) has revealed a plethora of substructures in the disks surrounding young stars. These substructures have…

astro-ph.EP2025

exoALMA. XVI. Predicting Signatures of Large-scale Turbulence in Protoplanetary Disks

Marcelo Barraza-Alfaro, Mario Flock, William Béthune +31

Turbulent gas motions drive planet formation and protoplanetary disk evolution. However, empirical constraints on turbulence are scarce, halting our understanding of its nature. Re…

astro-ph.EP2025

exoALMA XIV. Gas Surface Densities in the RX J1604.3-2130 A Disk from Pressure-broadened CO Line Wings

Tomohiro C. Yoshida, Pietro Curone, Jochen Stadler +31

The gas surface density is one of the most relevant physical quantities in protoplanetary disks. However, its precise measurement remains highly challenging due to the lack of a di…

astro-ph.EP2025★ 10 cited

exoALMA. VIII. Probabilistic Moment Maps and Data Products using Non-parametric Linear Models

Thomas Hilder, Andrew R. Casey, Daniel J. Price +33

Extracting robust inferences on physical quantities from disk kinematics measured from Doppler-shifted molecular line emission is challenging due to the data's size and complexity.…

astro-ph.EP2025

exoALMA IX: Regularized Maximum Likelihood Imaging of Non-Keplerian Features

Brianna Zawadzki, Ian Czekala, Maria Galloway-Sprietsma +32

The planet-hunting ALMA large program exoALMA observed 15 protoplanetary disks at ~0.15" angular resolution and ~100 m/s spectral resolution, characterizing disk structures and kin…

astro-ph.EP2025★ 36 cited

exoALMA XII: Weighing and sizing exoALMA disks with rotation curve modelling

Cristiano Longarini, Giuseppe Lodato, Giovanni Rosotti +38

The exoALMA large program offers a unique opportunity to investigate the fundamental properties of protoplanetary disks, such as their masses and sizes, providing important insight…

astro-ph.EP2025★ 36 cited

exoALMA IV: Substructures, Asymmetries, and the Faint Outer Disk in Continuum Emission

Pietro Curone, Stefano Facchini, Sean M. Andrews +36

The exoALMA Large Program targeted a sample of 15 disks to study gas dynamics within these systems, and these observations simultaneously produced continuum data at 0.9 mm (331.6 G…