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Mapping Protoplanetary Disk Vertical Structure with CO Isotopologue Line Emission
Charles J. Law, Richard Teague, Karin I. Öberg +21
High spatial resolution observations of CO isotopologue line emission in protoplanetary disks at mid-inclinations (30-75°) allow us to characterize the gas structure in…
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…
ALMA Detection of Dust Trapping around Lagrangian Points in the LkCa 15 Disk
Feng Long, Sean M. Andrews, Shangjia Zhang +10
We present deep high-resolution (50 mas, 8 au) ALMA 0.88 and 1.3 mm continuum observations of the LkCa 15 disk. The emission morphology shows an inner cavity and three dust r…
Mapping the Complex Kinematic Substructure in the TW Hya Disk
Richard Teague, Jaehan Bae, Sean M. Andrews +6
We present ALMA observations of CO and CS emission from the disk around TW~Hydrae. Both molecules trace a predominantly Keplerian velocity structure, although a…
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…
Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): A Panchromatic View of DO Tau's Complex Kilo-au Environment
Jane Huang, Christian Ginski, Myriam Benisty +20
While protoplanetary disks are often treated as isolated systems in planet formation models, observations increasingly suggest that vigorous interactions between Class II disks and…