109 citations · 266 across the 18 of their papers we have counts for
18 papers
First Detection of HC5N in a Class II Disk around TW Hya
Steven C. Wampler, Ryan A. Loomis, Amina Diop +9
Over the last decade of ALMA's operation the molecular inventory of protoplanetary disks has expanded rapidly, revealing a diverse set of nitrogen-bearing organics and carbon-chain…
The chemical diversity of giant-planet nurseries as revealed by ALMA
Alice S. Booth, Jenny Calahan, Milou Temmink +9
With the giant exoplanet occurrence rate peaking around stars of 1.5-2 solar masses, there is strong motivation to characterize the disks that set their formation conditions. Obser…
Methanol emission tracing ice chemistry and dust evolution in the TW Hya protoplanetary disk
John D. Ilee, Catherine Walsh, Jenny C. Calahan
Methanol (CHOH) ice is abundant in space and is a key feedstock for seeding chemical complexity in interstellar and circumstellar environments. Despite its ubiquity, gas-phas…
Linking planet formation to exoplanet characteristics: C/O as a diagnostic of planet formation
Catherine Walsh
Gas-giant exoplanets are test cases for theories of planet formation as their atmospheres are proposed to carry signatures of their formation within the protoplanetary disk. The me…
Ice sublimation in the dynamic HD 100453 disk reveals a rich reservoir of inherited complex organics
Alice S. Booth, Lisa Wölfer, Milou Temmink +7
Protoplanetary disks around luminous young A-type stars are prime observational laboratories to determine the abundances of complex organic molecules (COMs) present during planet f…
ALMA reveals thermal and non-thermal desorption of methanol ice in the HD 100546 protoplanetary disk
Lucy Evans, Alice S. Booth, Catherine Walsh +8
Methanol (CHOH) and formaldehyde (HCO) are chemically coupled organic molecules proposed to act as an intermediate step between simple molecules and more complex prebiotic…
Characterising the molecular line emission in the asymmetric Oph-IRS 48 dust trap: Temperatures, timescales, and sub-thermal excitation
Milou Temmink, Alice S. Booth, Margot Leemker +8
The ongoing physical and chemical processes in planet-forming disks set the stage for planet formation. The asymmetric disk around the young star Oph-IRS 48 has one of the most wel…
Measuring the and isotopic ratios of volatile sulfur during planet formation
Alice S. Booth, Maria N. Drozdovskaya, Milou Temmink +9
Stable isotopic ratios constitute powerful tools for unraveling the thermal and irradiation history of volatiles. In particular, we can use our knowledge of the isotopic fractionat…
Chemistry in externally FUV irradiated disks in the outskirts of the Orion Nebula
Javiera K. Díaz-Berríos, Viviana V. Guzmán, Catherine Walsh +4
Most stars are born in stellar clusters and their protoplanetary disks, which are the birthplaces of planets, can therefore be affected by the radiation of nearby massive stars. Ho…
An ALMA molecular inventory of warm Herbig Ae disks: II. Abundant complex organics and volatile sulphur in the IRS 48 disk
Alice S. Booth, Milou Temmink, Ewine F. van Dishoeck +11
The Atacama Large Millimeter/submillimeter Array (ALMA) can probe the molecular content of planet-forming disks with unprecedented sensitivity. These observations allow us to build…
An ALMA molecular inventory of warm Herbig Ae disks: I. Molecular rings, asymmetries and complexity in the HD 100546 disk
Alice S. Booth, Margot Leemker, Ewine F. van Dishoeck +11
Observations of disks with the Atacama Large Millimeter/submillimeter Array (ALMA) allow us to map the chemical makeup of nearby protoplanetary disks with unprecedented spatial res…
JWST-MIRI Spectroscopy of Warm Molecular Emission and Variability in the AS 209 Disk
Carlos E. Romero-Mirza, Karin I. Öberg, Andrea Banzatti +24
We present MIRI MRS observations of the large, multi-gapped protoplanetary disk around the T-Tauri star AS 209. The observations reveal hundreds of water vapor lines from 4.9 to 25…
Molecules with ALMA at Planet-forming Scales (MAPS). Complex Kinematics in the AS 209 Disk Induced by a Forming Planet and Disk Winds
Maria Galloway-Sprietsma, Jaehan Bae, Richard Teague +19
We study the kinematics of the AS 209 disk using the J=2-1 transitions of CO, CO, and CO. We derive the radial, azimuthal, and vertical velocity of the gas, ta…
UV-driven Chemistry as a Signpost for Late-stage Planet Formation
Jenny K. Calahan, Edwin A. Bergin, Arthur D. Bosman +14
The chemical reservoir within protoplanetary disks has a direct impact on planetary compositions and the potential for life. A long-lived carbon-and nitrogen-rich chemistry at cold…
Molecules with ALMA at Planet-forming Scales (MAPS). A Circumplanetary Disk Candidate in Molecular Line Emission in the AS 209 Disk
Jaehan Bae, Richard Teague, Sean M. Andrews +29
We report the discovery of a circumplanetary disk (CPD) candidate embedded in the circumstellar disk of the T Tauri star AS 209 at a radial distance of about 200 au (on-sky separat…
Detecting Weak Spectral Lines in Interferometric Data through Matched Filtering
Ryan A. Loomis, Karin I. Öberg, Sean M. Andrews +4
Modern radio interferometers enable observations of spectral lines with unprecedented spatial resolution and sensitivity. In spite of these technical advances, many lines of intere…
Methanol ice co-desorption as a mechanism to explain cold methanol in the gas-phase
N. F. W. Ligterink, C. Walsh, R. G. Bhuin +3
Methanol is formed via surface reactions on icy dust grains. Methanol is also detected in the gas-phase at temperatures below its thermal desorption temperature and at levels highe…
Candidate Water Vapor Lines to Locate the Snowline through High-dispersion Spectroscopic Observations. III. Submillimeter and Lines
Shota Notsu, Hideko Nomura, Catherine Walsh +4
In this paper, we extend the results presented in our former papers (Notsu et al. 2016, 2017) on using ortho- line profiles to constrain the location…