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Related papers: Constraining Protoplanetary Disk Winds from Forbid…

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Protoplanets and circumplanetary disks are rather elusive in their thermal IR emission. Yet they are cornerstone to the most popular interpretations for the protoplanetary disks structures observed in the gas and dust density fields, even…

Earth and Planetary Astrophysics · Physics 2019-10-16 Simon Casassus , Sebastian Perez

[Abridged] This review paper discussed which chemical effects may be at play in a planet-forming disk midplane, which effects are relevant under different conditions, and which tools are available for modelling chemical kinetics in a disk…

Earth and Planetary Astrophysics · Physics 2022-11-01 Christian Eistrup

We investigate outflows driven by a giant protoplanet using three-dimensional MHD nested grid simulations. We consider a local region around the protoplanet in the protoplanetary disk, and calculate three models: (a) unmagnetized disk…

Astrophysics · Physics 2011-02-11 Masahiro N. Machida , Shu-ichiro Inutsuka , Tomoaki Matsumoto

Recent observations of gaps and non-axisymmetric features in the dust distributions of transition disks have been interpreted as evidence of embedded massive protoplanets. However, comparing the predictions of planet-disk interaction models…

Earth and Planetary Astrophysics · Physics 2015-09-16 Alexander J. W. Richert , Wladimir Lyra , Aaron Boley , Mordecai-Mark Mac Low , Neal Turner

The dispersal phase of planet-forming disks via winds driven by irradiation from the central star and/or magnetic fields in the disk itself is likely to play an important role in the formation and evolution of planetary systems. Current…

Earth and Planetary Astrophysics · Physics 2020-04-22 T. Grassi , B. Ercolano , L. Szűcs , J. Jennings , G. Picogna

Magnetized winds may be important in dispersing protoplanetary disks and influencing planet formation. We carry out global full magnetohydrodynamic simulations in axisymmetry, coupled with ray-tracing radiative transfer, consistent…

Earth and Planetary Astrophysics · Physics 2019-04-03 Lile Wang , Xue-Ning Bai , Jeremy Goodman

Protoplanetary disks are quasi-steady structures whose evolution and dispersal determine the environment for planet formation. I review the theory of protoplanetary disk evolution and its connection to observations. Substantial progress has…

Solar and Stellar Astrophysics · Physics 2011-08-25 Philip J. Armitage

We summarize recent developments in modeling of mass outflows from accretion disks in AGN. We illustrate how the hydrodynamical and magnetohydrodynamical wind structures revealed in numerical simulations relate to observations. Important…

Astrophysics · Physics 2007-05-23 D. Proga

By performing local three-dimensional MHD simulations of stratified accretion disks, we investigate disk winds driven by MHD turbulence. Initially given weak vertical magnetic fields are effectively amplified by magnetorotational…

Astrophysics · Physics 2015-05-13 T. K. Suzuki , S. Inutsuka

Following Paper I we investigate the properties of atmospheres that form around small protoplanets embedded in a protoplanetary disc by conducting hydrodynamical simulations. These are now extended to three dimensions, employing a spherical…

Earth and Planetary Astrophysics · Physics 2015-06-23 Chris W. Ormel , Ji-Ming Shi , Rolf Kuiper

Protostellar jets and winds are probably driven magnetocentrifugally from the surface of accretion disks close to the central stellar objects. The exact launching conditions on the disk, such as the distributions of magnetic flux and mass…

Astrophysics · Physics 2009-11-06 Ruben Krasnopolsky , Zhi-Yun Li , Roger D. Blandford

Disc winds are a common feature in accreting astrophysical systems on all scales. In active galactic nuclei (AGN) and accreting white dwarfs (AWDs), specifically, radiation pressure mediated by spectral lines is a promising mechanism for…

High Energy Astrophysical Phenomena · Physics 2023-12-12 Nick Higginbottom , Nicolas Scepi , Christian Knigge , Knox S. Long , James H. Matthews , Stuart A. Sim

By constructing a global model based on 3D local magnetohydrodynamical (MHD) simulations, we show that the disk wind driven by magnetorotational instability (MRI) plays a significant role in the dispersal of the gas component of…

Solar and Stellar Astrophysics · Physics 2011-02-11 Takeru K. Suzuki , Takayuki Muto , Shu-ichiro Inutsuka

In this paper we intend to provide an indirect method to detect Jovian planets by studying near infrared emission spectra originating in the protoplanetary disks around T Tauri stars. Our idea is to investigate whether a massive planet…

Solar and Stellar Astrophysics · Physics 2015-05-19 Zs. Regaly , Zs. Sandor , C. P. Dullemond , R. van Boekel

Transitional discs are a special type of protoplanetary discs where planet formation is thought to be taking place. These objects feature characteristic inner cavities and/or gaps of a few tens of AUs in the sub-millimitre images of the…

Earth and Planetary Astrophysics · Physics 2015-06-17 M. de Juan Ovelar , M. Min , C. Dominik , C. Thalmann , P. Pinilla , M. Benisty , T. Birnstiel

Exoplanets in protoplanetary disks cause localized deviations from Keplerian velocity in channel maps of molecular line emission. Current methods of characterizing these deviations are time consuming, and there is no unified standard…

Earth and Planetary Astrophysics · Physics 2023-01-04 Jason Terry , Cassandra Hall , Sean Abreau , Sergei Gleyzer

Recent observations of protoplanetary discs reveal disc substructures potentially caused by embedded planets. We investigate how the gas surface density in discs changes the observed morphology in scattered light and dust continuum…

Earth and Planetary Astrophysics · Physics 2019-09-25 B. Veronesi , G. Lodato , G. Dipierro , E. Ragusa , C. Hall , D. J. Price

The assembly and architecture of planetary systems strongly depend on the physical processes governing the evolution and dispersal of protoplanetary disks. Since Protostars and Planets VI, new observations and theoretical insights favor…

Earth and Planetary Astrophysics · Physics 2022-03-21 Ilaria Pascucci , Sylvie Cabrit , Suzan Edwards , Uma Gorti , Oliver Gressel , Takeru Suzuki

Reconstructing astrophysical and cosmological fields from observations is challenging. It requires accounting for non-linear transformations, mixing of spatial structure, and noise. In contrast, forward simulators that map fields to…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-01 Florian List , Noemi Anau Montel , Christoph Weniger

Spiral density waves observed in protoplanetary discs have often been used to infer the presence of embedded planets. This inference relies both on simulations as well as the linear theory of planet-disc interaction developed for planets on…

Earth and Planetary Astrophysics · Physics 2022-10-12 Callum W. Fairbairn , Roman R. Rafikov