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The Role of the Cooling Prescription for Disk Fragmentation: Numerical Convergence & Critical Cooling Parameter in Self-Gravitating Disks
Hans Baehr, Hubert Klahr
Protoplanetary disks fragment due to gravitational instability when there is enough mass for self-gravitation, described by the Toomre parameter, and when heat can be lost at a rat…
Vortex Formation and Evolution in Planet Harboring Disks under Thermal Relaxation
A. Lobo Gomes, H. Klahr, A. L. Uribe +2
We study the evolution of planet-induced vortices in radially stratified disks, with initial conditions allowing for radial buoyancy. For this purpose we run global two dimensional…
Tracing planet-induced structures in circumstellar disks using molecular lines
F. Ober, S. Wolf, A. L. Uribe +1
Circumstellar disks are considered to be the birthplace of planets. Specific structures like spiral arms, gaps, and cavities are characteristic indicators of planet-disk interactio…
Particle Trapping and Streaming Instability in Vortices
Natalie Raettig, Hubert Klahr, Wladimir Lyra
We analyse the concentration of solid particles in vortices created and sustained by radial buoyancy in protoplanetary disks, i.e. baroclinic vortex growth. Besides the gas drag ac…