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Late-infall-induced formation of giant planets, multigenerational planetesimals, and disk substructures
Haichen Zhao, Tommy Chi Ho Lau, Joanna Drążkowska +2
Late infall can replenish the building materials of planets in protoplanetary disks and dramatically alter their structural evolution. The resulting pressure bumps effectively accu…
A tension between dust and gas radii: the role of substructures and external photoevaporation in protoplanetary disks
Luca Delussu, Rossella Anania, Tilman Birnstiel +5
Protoplanetary disk substructures are thought to play a crucial role in disk evolution and planet formation. Population studies of disks large-sample size surveys show that substru…
Starlight-driven flared-staircase geometry in radiation hydrodynamic models of protoplanetary disks
Prakruti Sudarshan, Mario Flock, Alexandros Ziampras +2
Protoplanetary disks observed in millimeter continuum and scattered light show a variety of substructures. Various physical processes in the disk could trigger such features -- one…
Formation of Multiple Dynamical Classes in the Kuiper Belt via Disk Dissipation
Tommy Chi Ho Lau, Til Birnstiel, Sebastian Markus Stammler +1
Planetesimal formation likely lasted for millions of years in the solar nebula, and the cold classicals in the Kuiper Belt are suggested to be the direct products of streaming inst…
Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): Evidence of planet-disk interaction in the 2MASSJ16120668-3010270 system
C. Ginski, P. Pinilla, M. Benisty +28
The architectures of exoplanet systems are likely set during the initial planet-formation phase in the circumstellar disk. To understand this process, we have to study the earliest…
Turbulence Inhibits Planetesimal Formation in Class 0/I Disks Subject to Infall
Daniel Carrera, Abigail Davenport, Jacob B. Simon +5
There is growing evidence that planet formation begins early, within the Myr Class 0/I phase, when infall dominates disk dynamics. Our goal is to determine if Class 0/I…
Refractory carbon depletion by photolysis through dust collisions and vertical mixing
Vignesh Vaikundaraman, Joanna Drazkowska, Fabian Binkert +2
The inner Solar System is depleted in refractory carbon in comparison to the interstellar medium and the depletion likely took place in the protoplanetary disk phase of the Solar S…
Planetesimal formation in a pressure bump induced by infall
Haichen Zhao, Tommy Chi Ho Lau, Tilman Birnstiel +2
Infall of interstellar material is a potential non-planetary origin of pressure bumps in protoplanetary disks. While pressure bumps arising from other mechanisms have been numerica…
High Resolution ALMA Observations of Richly Structured Protoplanetary Disks in Orionis
Jane Huang, Megan Ansdell, Tilman Birnstiel +5
ALMA has detected substructures in numerous protoplanetary disks at radii from a few to over a hundred au. These substructures are commonly thought to be associated with planet for…
TriPoD: Tri-Population size distributions for Dust evolution. Coagulation in vertically integrated hydrodynamic simulations of protoplanetary disks
Thomas Pfeil, Til Birnstiel, Hubert Klahr
Context. Dust coagulation and fragmentation impact the structure and evolution of protoplanetary disks and set the initial conditions for planet formation. Dust grains dominate the…
Sequential giant planet formation initiated by disc substructure
Tommy Chi Ho Lau, Til Birnstiel, Joanna Drążkowska +1
Planet formation models are necessary to understand the origins of diverse planetary systems. Circumstellar disc substructures have been proposed as preferred locations of planet f…
A Dust-Trapping Ring in the Planet-Hosting Disk of Elias 2-24
Adolfo S. Carvalho, Laura M. Perez, Anibal Sierra +12
Rings and gaps are among the most widely observed forms of substructure in protoplanetary disks. A gap-ring pair may be formed when a planet carves a gap in the disk, which produce…
Vertical shear instability with dust evolution and consistent cooling times. On the importance of the initial dust distribution
Thomas Pfeil, Til Birnstiel, Hubert Klahr
Context. Gas in protoplanetary disks mostly cools via thermal accommodation with dust particles. Thermal relaxation is thus highly sensitive to the local dust size distributions an…
Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): PDS 111, an old T Tauri star with a young-looking disk
Annelotte Derkink, Christian Ginski, Paola Pinilla +20
The interplay between T Tauri stars and their circumstellar disks, and how this impacts the onset of planet formation has yet to be established. We studied a seemingly old T Tauri…
Population Synthesis Models Indicate a Need for Early and Ubiquitous Disk Substructures
Luca Delussu, Tilman Birnstiel, Anna Miotello +3
Large mm surveys of star forming regions enable the study of entire populations of planet-forming disks and reveal correlations between their observable properties. Population stud…
Dust growth and evolution in protoplanetary disks
Tilman Birnstiel
Over the past decade, advancement of observational capabilities, specifically the Atacama Large Millimeter/submillimeter Array (ALMA) and SPHERE instrument, alongside theoretical i…
Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): HD 34700 A unveils an inner ring
G. Columba, E. Rigliaco, R. Gratton +18
Context. The study of protoplanetary disks is fundamental to understand their evolution and interaction with the surrounding environment, and to constrain planet formation mechanis…
Dust Coagulation Reconciles Protoplanetary Disk Observations with the Vertical Shear Instability. I. Dust Coagulation and the VSI Dead Zone
Thomas Pfeil, Til Birnstiel, Hubert Klahr
Protoplanetary disks exhibit a vertical gradient in angular momentum, rendering them susceptible to the Vertical Shear Instability (VSI). The most important condition for the onset…
Three-Dimensional Dust Stirring by a Giant Planet Embedded in a Protoplanetary Disk
Fabian Binkert, Judit Szulágyi, Til Birnstiel
The motion of solid particles embedded in gaseous protoplanetary disks is influenced by turbulent fluctuations. Consequently, the dynamics of moderately to weakly coupled solids ca…
The impact of dust evolution on the dead zone outer edge in magnetized protoplanetary disks
Timmy N. Delage, Matías Gárate, Satoshi Okuzumi +5
[Abridged] Aims. We provide an important step toward a better understanding of the magnetorotational instability (MRI)-dust coevolution in protoplanetary disks by presenting a proo…
Leaky dust traps: How fragmentation impacts dust filtering by planets
Sebastian Markus Stammler, Tim Lichtenberg, Joanna Drążkowska +1
The nucleosynthetic isotope dichotomy between carbonaceous (CC) and non-carbonaceous (NC) meteorites has been interpreted as evidence for spatial separation and the coexistence of…
Carbon Depletion in the Early Solar System
Fabian Binkert, Til Birnstiel
Earth and other rocky objects in the inner Solar System are depleted in carbon compared to objects in the outer Solar System, the Sun, or the ISM. It is believed that this is a res…
Rapid Formation of Massive Planetary Cores in a Pressure Bump
Tommy Chi Ho Lau, Joanna Drążkowska, Sebastian M. Stammler +2
Models of planetary core growth by either planetesimal or pebble accretion are traditionally disconnected from the models of dust evolution and formation of the first gravitational…
Comets and Planetesimal Formation
Jacob B. Simon, Jürgen Blum, Til Birnstiel +1
In this chapter, we review the processes involved in the formation of planetesimals and comets. We will start with a description of the physics of dust grain growth and how this is…