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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…
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…
Accretion Burst Echoes as Probes of Protostellar Environments and Episodic Mass Assembly
Logan Francis, Doug Johnstone, Jeong-Eun Lee +5
Protostars likely accrete material at a highly time variable rate, however, measurements of accretion variability from the youngest protostars are rare, as they are still deeply em…
HST/WFC3 H Direct-Imaging Detection of a Point-like Source in the Disk Cavity of AB Aur
Yifan Zhou, Aniket Sanghi, Brendan P. Bowler +8
Accreting protoplanets enable the direct characterization of planet formation. As part of a high-contrast imaging search for accreting planets with the Hubble Space Telescope (HST)…
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…
CO Line Emission Surfaces and Vertical Structure in Mid-Inclination Protoplanetary Disks
Charles J. Law, Sage Crystian, Richard Teague +18
High spatial resolution CO observations of mid-inclination (30-75°) protoplanetary disks offer an opportunity to study the vertical distribution of CO emission and temperature. The…
Gas Disk Sizes from CO Line Observations: A Test of Angular Momentum Evolution
Feng Long, Sean M. Andrews, Giovanni Rosotti +7
The size of a disk encodes important information about its evolution. Combining new Submillimeter Array (SMA) observations with archival Atacama Large Millimeter Array (ALMA) data,…
Tracing pebble drift and trapping using radial carbon depletion profiles in protoplanetary disks
J. A. Sturm, M. K. McClure, D. Harsono +5
The composition of planets may be largely determined by the chemical processing and accretion of icy pebbles in protoplanetary disks. Recent observations of protoplanetary disks hi…
Observational constraints on disc sizes in protoplanetary discs in multiple systems in the Taurus region. II. Gas disc sizes
A. A. Rota, C. F. Manara, A. Miotello +13
The formation of multiple stellar systems is a natural by-product of the star-formation process, and its impact on the properties of protoplanetary discs and on the formation of pl…