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Radiation Hydrodynamical Turbulence In Protoplanetary Disks: Numerical Models and Observational Constraints
Mario Flock, Richard P. Nelson, Neal J. Turner +5
Planets are born in protostellar disks, which are now observed with enough resolution to address questions about internal gas flows. Candidates for driving the flows include magnet…
Multiplicity and disks within the high-mass core NGC7538IRS1: Resolving cm line and continuum emission at ~0.06"x0.05" resolution
H. Beuther, H. Linz, Th. Henning +2
Context: High-mass stars have a high degree of multiplicity and most likely form via disk accretion processes. The detailed physics of the binary and disk formation are still poorl…
On the methanol emission detection in the TW Hya disc: the role of grain surface chemistry and non-LTE excitation
S. Yu. Parfenov, D. A. Semenov, Th. Henning +3
The recent detection of gas-phase methanol (CHOH) lines in the disc of TW Hya by Walsh et al. provided the first observational constraints on the complex O-bearing organic cont…
A Surface Density Perturbation in the TW Hydrae Disk at 95 au Traced by Molecular Emission
R Teague, D Semenov, U Gorti +6
We present ALMA Cycle~2 observations at resolution of TW Hya of CS emission. The radial profile of the integrated line emission displays oscillatory fe…