activity
20192026
most citedSpiral arms in the proto-planetary disc HD100453 detected with ALMA: evidence for binary-disc interaction and a vertical temperature gradient

88 citations · 739 across the 61 of their papers we have counts for

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Showing 2025Show all

32 papers · 1 filter

astro-ph.EP2025

Spirals and Vertical Motions in the Planet-Forming Disk around HD 100546. A multi-line study of its gas kinematics

Lisa Wölfer, Andrés F. Izquierdo, Alice Booth +5

HD100546 represents a particularly interesting target to study dynamical planet-disk interactions as various features have been observed in both the dust and gas that provide direc…

astro-ph.EP2025★ 4 cited

Astrometric view of companions in the inner dust cavities of protoplanetary disks

Miguel Vioque, Richard A. Booth, Enrico Ragusa +16

Protoplanetary disks with inner dust cavities (often referred to as "transition disks") are potential signposts of planet formation. We use Gaia astrometry to search for planetary…

astro-ph.EP2025

A Submillimeter Survey of CS Excitation in Protoplanetary Disks: Evidence of X-ray-Driven Sulfur Chemistry

Charles J. Law, Romane Le Gal, Karin I. Öberg +12

The sulfur chemistry in protoplanetary disks influences the properties of nascent planets, including potential habitability. Although the inventory of sulfur molecules in disks has…

astro-ph.SR2025★ 4 cited

The 12CO Gas Structures of Protoplanetary Disks in the Upper Scorpius Region

Luigi Zallio, Giovanni P. Rosotti, Miguel Vioque +13

We present measurements of key protoplanetary disk properties inferred from parametric models of ALMA 12CO spectral line visibilities. We derive gas-disk radii, integrated fluxes,…

astro-ph.EP2025★ 8 cited

Direct Measurement of Extinction in a Planet-Hosting Gap

G. Cugno, S. Facchini, F. Alarcon +12

Recent disk observations have revealed multiple indirect signatures of forming gas giant planets, but high-contrast imaging has rarely confirmed the presence of the suspected pertu…

astro-ph.EP2025★ 2 cited

Winding Motion of Spirals in a Gravitationally Unstable Protoplanetary Disk

Tomohiro C. Yoshida, Hideko Nomura, Kiyoaki Doi +5

The discovery of wide-orbit giant exoplanets has posed a challenge to our conventional understanding of planet formation by coagulation of dust grains and planetesimals, and subseq…

astro-ph.EP2025

A Radially Resolved Magnetic Field Threading the Disk of TW Hya

Richard Teague, Boy Lankhaar, Sean M. Andrews +5

We present a new approach to detecting and characterizing a magnetic field in protoplanetary disks through the differential broadening of unpolarized molecular emission from CN. To…

astro-ph.GA2025

The Light Echo of a High-Redshift Quasar mapped with Lyman- Tomography

Anna-Christina Eilers, Minghao Yue, Jorryt Matthee +11

Ultra-violet (UV) radiation from accreting black holes ionizes the intergalactic gas around early quasars, carving out highly ionized bubbles in their surroundings. Any changes in…

astro-ph.EP2025

Revealing Fine Structure in Protoplanetary Disks with Physics Constrained Neural Fields

Aviad Levis, Nhan Luong, Richard Teague +3

Protoplanetary disks are the birthplaces of planets, and resolving their three-dimensional structure is key to understanding disk evolution. The unprecedented resolution of ALMA de…

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

Leaky dust trap in the PDS 70 disk revealed by ALMA Band 9 observations

Anibal Sierra, Myriam Benisty, Paola Pinilla +13

We present new observations of the PDS 70 disc obtained with the Atacama Large Millimeter/sub-millimeter Array (ALMA) in Band 9 (671 GHz) at 0.242 resolution, whic…

astro-ph.EP2025

SO emission in the dynamically perturbed protoplanetary disks around CQ Tau and MWC 758

Francesco Zagaria, Haochang Jiang, Gianni Cataldi +25

We report the serendipitous detection of the SO (219.949 GHz) rotational transition in archival Atacama Large Millimeter/submillimeter Array (ALMA) observations of th…

astro-ph.EP2025★ 9 cited

Inner disc and circumplanetary material in the PDS 70 system

Daniele Fasano, Myriam Benisty, Pietro Curone +13

The two giant protoplanets directly imaged in the dust-depleted cavity of PDS 70 offer a unique opportunity to study ongoing planet formation. Both planets have been detected in in…

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★ 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…