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Potential signatures of proto-planets embedded in their natal protoplanetary disk are radial gaps or cavities in the continuum emission in the IR-mm wavelength range. ALMA observations are now probing spatially resolved rotational line…

Earth and Planetary Astrophysics · Physics 2018-05-09 Stefano Facchini , Paola Pinilla , Ewine F. van Dishoeck , Maria de Juan Ovelar

The interaction of a massive binary and a non-self-gravitating circumbinary accretion disc is considered. The shape of the stationary twisted disc produced by the binary is calculated. It is shown that the inner part of the disc must lie in…

Astrophysics · Physics 2009-10-31 P. B. Ivanov , J. C. B. Papaloizou , A. G. Polnarev

We use one-dimensional two-zone time-dependent accretion disk models to study the long-term evolution of protostellar disks subject to mass addition from the collapse of a rotating cloud core. Our model consists of a constant surface…

Solar and Stellar Astrophysics · Physics 2015-05-18 Zhaohuan Zhu , Lee Hartmann , Charles Gammie

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 substructures, and their rapid formation, are needed to reproduce…

In this article, we proceed to study convection as a possible factor of episodic accretion in protoplanetary disks. Within the model presented in Article~I, the accretion history is analyzed at different rates and areas of matter inflow…

Solar and Stellar Astrophysics · Physics 2020-09-17 L. A. Maksimova , Ya. N. Pavlyuchenkov , A. V. Tutukov

The efficiency of radial transport of icy solid material from outer disk to the inner disk is currently unconstrained. Efficient radial transport of icy dust grains could significantly alter the composition of the gas in the inner disk. Our…

Earth and Planetary Astrophysics · Physics 2018-04-04 Arthur D. Bosman , Alexander G. G. M. Tielens , Ewine F. van Dishoeck

Protoplanetary discs are thought to evolve either through angular momentum transport driven by viscous processes or through angular momentum removal induced by magnetohydrodynamic (MHD) winds. One proposed method to distinguish between…

Earth and Planetary Astrophysics · Physics 2026-02-20 Giulia Ballabio , James E. Owen

The evolution of the gas mass of planet-forming disks around young stars is crucial for our understanding of planet formation, yet it has proven hard to constrain observationally, due both to the difficulties of measuring gas masses and the…

We study the role of radial migration of stars on the chemical evolution of the Milky Way disk. In particular, we are interested in the impact of that process on the local properties of the disk (age-metallicity relation and its dispersion,…

Astrophysics of Galaxies · Physics 2015-08-19 M. Kubryk , N. Prantzos , E. Athanassoula

We perform visibility fitting to the dust continuum Band 6 1.3 mm data of the 30 protoplanetary disks in the AGE-PRO ALMA Large Program. We obtain disk geometries, dust-disk radii, and azimuthally symmetric radial profiles of the intensity…

We review the present knowledge of disk accretion in young low mass stars, and in particular, the mass accretion rate and its evolution with time. The methods used to obtain mass accretion rates from ultraviolet excesses and emission lines…

Astrophysics · Physics 2007-05-23 Nuria Calvet , Lee Hartmann , Stephen E. Strom

The structure and evolution of protoplanetary disks, especially the radial flows of gas through them, are sensitive to a number of factors. One that has been considered only occasionally in the literature is external photoevaporation by…

Earth and Planetary Astrophysics · Physics 2015-12-23 Anusha Kalyaan , Steven J Desch , Nikhil Monga

The early evolution of protostellar, star-forming discs, including their density structure, turbulence, magnetic dynamics, and accretion variability, remains poorly understood. We present high-resolution magnetohydrodynamic simulations,…

Solar and Stellar Astrophysics · Physics 2025-08-28 Trey Qingyun Yang , Christoph Federrath

The central region of a circumstellar disk is difficult to resolve in global numerical simulations of collapsing cloud cores, but its effect on the evolution of the entire disk can be significant. We use numerical hydrodynamics simulations…

We consider the inner $\sim$ AU of a protoplanetary disk (PPD), at a stage where angular momentum transport is driven by the mixing of a radial magnetic field into the disk from a T-Tauri wind. Because the radial profile of the imposed…

Earth and Planetary Astrophysics · Physics 2015-12-23 Matthew Russo , Christopher Thompson

Our understanding of protoplanetary disks has greatly improved over the last decade due to a wealth of data from new facilities. Unbiased dust surveys with Spitzer leave us with good constraints on the dust dispersal timescale of small…

Solar and Stellar Astrophysics · Physics 2017-12-04 Inga Kamp , Stefano Antonellini , Andres Carmona , John Ilee , Christian Rab

The collapse of interstellar gaseous clouds towards a protostar leads to the formation of accretion disks around the central star. Such disks can be dynamically stable if they settle in an axisymmetric state. In this letter, we investigate…

Solar and Stellar Astrophysics · Physics 2020-09-07 Florian Ragossnig , Lukas Gehrig , Ernst A. Dorfi , Daniel Steiner , Alexander Stökl

FUV radiation from massive stars launch photoevaporative winds from the outer regions of protoplanetary discs around other stars, removing gas and dust. Observations have identified a relation between the median dust disc mass and the…

Earth and Planetary Astrophysics · Physics 2025-11-07 Gavin A. L. Coleman , Sierk E. van Terwisga

We present population synthesis models of viscous protoplanetary disks subject to mild external far-ultraviolet (FUV) radiation fields ($F_{\rm UV}=1\text{-}100\,$G$_0$). Our simulations focus on gas disk evolution, exploring stellar masses…

Earth and Planetary Astrophysics · Physics 2026-04-29 Jingyi Ping , Rossella Anania , Paola Pinilla , Miguel Vioque

We discovered a new growth mode of dust grains to km-sized bodies in protoplanetary disks that evolve by viscous accretion and magnetically driven disk winds (MDWs). We solved an approximate coagulation equation of dust grains with…

Earth and Planetary Astrophysics · Physics 2021-03-17 Tetsuo Taki , Koh Kuwabara , Hiroshi Kobayashi , Takeru K. Suzuki