activity
20092026
most citedThe Gemini Planet Imager Exoplanet Survey: Giant Planet and Brown Dwarf Demographics From 10-100 AU

476 citations · 6.2k across the 99 of their papers we have counts for

collaborators

106 papers

astro-ph.EP2026

Mid-infrared Imaging of SR 12 c with JWST/MIRI: Grain Growth in an Evolved Circumplanetary Disk

Ya-Lin Wu, Claire O. Finley, Brendan P. Bowler +13

The physical properties of circumplanetary disks offer insights into the formation of giant planets and their satellites. The circumbinary planetary-mass companion SR 12 c (1200 au…

astro-ph.IM2026

Bridging the gap between stars and planets

Aina Palau, Dimitris Stamatellos, Matthew Bate +58

The formation mechanisms of brown dwarfs (BDs) and free-floating planets (FFPs) are poorly constrained. The two main competing scenarios include the star-like scenario, where these…

astro-ph.IM2026

Chemistry on solar system scales

Catherine Walsh, Maria Drozdovskaya, Dmitry Semenov +33

The initial chemical composition of planets, primitive bodies in our solar system, and exoplanets is ultimately set by their nascent protoplanetary disks. Yet observing key carbon-…

astro-ph.IM2026

Multi-wavelength Polarization as a Probe of Planet Formation

Ian Stephens, Sarah Sadavoy, Akimasa Kataoka +11

Polarization reveals details of circumstellar disks that are not readily available from total intensity observations. Via multi-wavelength polarimetric observations of disks, we ca…

astro-ph.IM2026

Planet formation on solar system scales

Francesco Zagaria, Andrés F. Izquierdo, Jaehan Bae +32

Giant planets are often regarded as primordial protoplanetary "architects". Their formation and interactions with planetesimals and other planets during and after the protoplanetar…

astro-ph.IM2026

Planet forming disk populations and their connection to the environment

Thomas J. Haworth, Giovanni Rosotti, Carlo Manara +35

Existing sub-mm observatories such as ALMA have provided statistics on the planet-forming mass reservoirs within circumstellar disks around stars in stellar clusters out to distanc…

astro-ph.EP2026

GEMS JWST: Hold on to your HATS(-6 b), a sub-solar metallicity giant planet with water, methane and ammonia in its atmosphere

Giannina Guzmán Caloca, Caleb I. Cañas, Nicole L. Wallack +16

HATS-6 b is one of several recently discovered Giant Exoplanets orbiting M-dwarf Stars (GEMS) and is part of a JWST survey that aims to compare bulk and atmospheric properties of t…

astro-ph.EP2026

Ultraviolet Imaging of SR 12 c with HST/WFC3: Accretion and Variability of a Giant Planet at the End Stages of Growth

Claire O. Finley, Brendan P. Bowler, Ya-Lin Wu +12

Many details of the gas accretion phase during giant planet formation remain untested. We present new 0.2$\unicode{x2013}$0.7 m UV-through-red optical imaging of the young, wide…

astro-ph.EP2026

GEMS JWST: HATS-75 b -- A giant planet with a sub-solar metallicity atmosphere orbiting an M-dwarf

Reza Ashtari, Jacob Lustig-Yaeger, Jessica Libby-Roberts +12

HATS-75 b is one of the recently discovered Giant Exoplanets orbiting M-dwarf Stars (GEMS) with a transmission spectrum shaped by both its atmosphere and the active stellar surface…

astro-ph.EP2026

GEMS JWST: A sub-Solar metallicity atmosphere for giant planet TOI-5293Ab orbiting a rapidly changing M-dwarf

Shubham Kanodia, Caleb I. Cañas, Jacob Lustig-Yaeger +13

The growing sample of Giant Exoplanets around M-dwarf Stars (GEMS) helps probe the extremes of giant planet formation. Comparing the properties of this sample with their FGK counte…

astro-ph.EP2026★ 1 cited

exoALMA XX: Tomographic Detection of Embedded Planets in Protoplanetary Disks

Andres F. Izquierdo, Jaehan Bae, Stefano Facchini +32

The exoALMA Large Program has revealed a wealth of substructures in the dust and molecular line emission of several protoplanetary discs, suggesting that planet formation may unfol…

astro-ph.EP2026

exoALMA XXII: A Two-dimensional Atlas of Deviations from Keplerian Disks

Misato Fukagawa, Andrés F. Izquierdo, Jochen Stadler +35

Protoplanetary disks are the birthplaces of planetary systems, and deviations from Keplerian rotation imprinted in disk gas kinematics serve as key tracers of physical processes an…

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.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

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…