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The TW Hya Rosetta Stone Project III: Resolving the Gaseous Thermal Profile of the Disk
Jenny Calahan, Edwin Bergin, Ke Zhang +16
The thermal structure of protoplanetary disks is a fundamental characteristic of the system that has wide reaching effects on disk evolution and planet formation. In this study, we…
A search for companions via direct imaging in the DSHARP planet-forming disks
Sebastián Jorquera, Laura M. Pérez, Gaël Chauvin +10
The "Disk Substructures at High Angular Resolution Project" (DSHARP) has revealed an abundance and ubiquity of rings and gaps over a large sample of young planet-forming disks, whi…
The TW Hya Rosetta Stone Project II: Spatially resolved emission of formaldehyde hints at low-temperature gas-phase formation
Jeroen Terwisscha van Scheltinga, Michiel R. Hogerheijde, L. Ilsedore Cleeves +15
Formaldehyde (HCO) is an important precursor to organics like methanol (CHOH). It is important to understand the conditions that produce HCO and prebiotic molecules dur…
The TW Hya Rosetta Stone Project I: Radial and vertical distributions of DCN and DCO+
Karin I. Oberg, L. Ilsedore Cleeves, Jennifer B. Bergner +16
Molecular D/H ratios are frequently used to probe the chemical past of Solar System volatiles. Yet it is unclear which parts of the Solar Nebula hosted an active deuterium fraction…
Large-scale CO spiral arms and complex kinematics associated with the T Tauri star RU Lup
Jane Huang, Sean M. Andrews, Karin I. Öberg +9
While protoplanetary disks often appear to be compact and well-organized in millimeter continuum emission, CO spectral line observations are increasingly revealing complex behavior…
Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): A close low mass companion to ET Cha
C. Ginski, F. Ménard, Ch. Rab +25
To understand the formation of planetary systems, one needs to understand the initial conditions of planet formation, i.e. the young gas-rich planet forming disks. Spatially resolv…