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Related papers: Gas dynamics around a Jupiter mass planet: II. Che…

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Giant planets grow and acquire their gas envelope during the disk phase. At the time of the discovery of giant planets in their host disk, it is important to understand the interplay between the host disk and the envelope and…

Earth and Planetary Astrophysics · Physics 2024-08-23 E. Lega , M. Benisty , A. Cridland , A. Morbidelli , M. Schulik , M. Lambrechts

The gas mass of protoplanetary disks, and the gas-to-dust ratio, are two key elements driving the evolution of these disks and the formation of planetary system. We explore here to what extent CO (or its isotopologues) can be used as a…

Solar and Stellar Astrophysics · Physics 2015-07-15 L. Reboussin , V. Wakelam , S. Guilloteau , F. Hersant , A. Dutrey

Direct observations of gaseous exoplanets reveals that their gas envelope is commonly enriched in C/O ratio compared to that of the host star. This has been explained by considering that the gas phase of the disc could be inhomogeneous,…

Earth and Planetary Astrophysics · Physics 2015-02-11 Thiabaud Amaury , Marboeuf Ulysse , Alibert Yann , Leya Ingo , Mezger Klaus

In this paper we review recent progress in our understanding of the chemical evolution of protoplanetary disks. Current observational constraints and theoretical modeling on the chemical composition of gas and dust in these systems are…

Astrophysics of Galaxies · Physics 2015-05-28 Dmitry A. Semenov

Recent surveys of protoplanetary disks show that substructure in dust thermal continuum emission maps is common in protoplanetary disks. These substructures, most prominently rings and gaps, shape and change the chemical and physical…

Earth and Planetary Astrophysics · Physics 2020-12-17 Felipe Alarcon , Richard Teague , Ke Zhang , Edwin Bergin , Marcelo Barraza-Alfaro

We discuss the chemical pre-conditions for planet formation, in terms of gas and ice abundances in a protoplanetary disk, as function of time and position, and the resulting chemical composition and cloud properties in the atmosphere when…

Earth and Planetary Astrophysics · Physics 2014-06-25 Ch. Helling , P. Woitke , P. B. Rimmer , I. Kamp , W. -F. Thi , R. Meijerink

Upcoming studies of extrasolar gas giants will give precise insights into the composition of planetary atmospheres with the ultimate goal to link it to the formation history of the planet. Here, we investigate how drifting and evaporating…

Earth and Planetary Astrophysics · Physics 2021-10-13 Aaron David Schneider , Bertram Bitsch

We present the next step in a series of papers devoted to connecting the composition of the atmospheres of forming planets with the chemistry of their natal evolving protoplanetary disks. The model presented here computes the coupled…

Earth and Planetary Astrophysics · Physics 2022-06-08 A. J. Cridland , Ralph E. Pudritz , Tilman Birnstiel , L. Ilsedore Cleeves , Edwin A. Bergin

Vertical gas and dust flows in protoplanetary discs waft material above the midplane region in the presence of a protoplanet. This motion may alter the delivery of dust to the planet and its circumplanetary disc, as well as through a…

Earth and Planetary Astrophysics · Physics 2024-09-25 Hannah J. Petrovic , Richard A. Booth , Cathie J. Clarke

(Abridged) Exoplanet atmospheres are thought be built up from accretion of gas as well as pebbles and planetesimals in the midplanes of planet-forming disks. The chemical composition of this material is usually assumed to be unchanged…

Earth and Planetary Astrophysics · Physics 2018-05-23 Christian Eistrup , Catherine Walsh , Ewine F van Dishoeck

With a series of numerical simulations, we analyze the thermo-hydrodynamical evolution of circumstellar disks containing Jupiter-size protoplanets. In the framework of the two-dimensional approximation, we consider an energy equation that…

Astrophysics · Physics 2016-06-20 Gennaro D'Angelo , Thomas Henning , Willy Kley

We present a model of the early chemical composition and elemental abundances of planetary atmospheres based on the cumulative gaseous chemical species that are accreted onto planets forming by core accretion from evolving protoplanetary…

Earth and Planetary Astrophysics · Physics 2017-02-22 Alex J. Cridland , Ralph E. Pudritz , Matthew Alessi

The composition of gas and solids in protoplanetary discs sets the composition of planets that form out of them. Recent chemical models have shown that the composition of gas and dust in discs evolves on Myr time-scales, with volatile…

Earth and Planetary Astrophysics · Physics 2019-05-31 Richard A. Booth , John D. Ilee

Water ice is expected to be the dominant volatile component of bodies formed in the outer Solar System. However, recent observations of comets and trans-Neptunian objects suggest that the relative abundances of ices can vary substantially,…

Earth and Planetary Astrophysics · Physics 2026-04-29 Joanna Drazkowska

The radial-dependent positions of snowlines of abundant oxygen- and carbon-bearing molecules in protoplanetary discs will result in systematic radial variations in the C/O ratios in the gas and ice. This variation is proposed as a tracer of…

Earth and Planetary Astrophysics · Physics 2020-09-30 Shota Notsu , Christian Eistrup , Catherine Walsh , Hideko Nomura

(Abridged) The chemical composition of planetary atmospheres has long been thought to store information regarding where and when a planet accretes its material. Predicting this chemical composition theoretically is a crucial step in linking…

Earth and Planetary Astrophysics · Physics 2020-10-28 Alex J. Cridland , Ewine F. van Dishoeck , Matthew Alessi , Ralph E. Pudritz

Firstly, we study the final masses of giant planets growing in protoplanetary disks through capture of disk gas, by employing an empirical formula for the gas capture rate and a shallow disk gap model, which are both based on hydrodynamical…

Earth and Planetary Astrophysics · Physics 2016-06-01 Takayuki Tanigawa , Hidekazu Tanaka

The chemical reservoir within protoplanetary disks has a direct impact on planetary compositions and the potential for life. A long-lived carbon-and nitrogen-rich chemistry at cold temperatures (<=50K) is observed within cold and evolved…

Protoplanetary discs are dynamic environments where the interplay between chemical processes and mass transport shapes the composition of gas and dust available for planet formation. We investigate the combined effects of volatile chemistry…

[Abridged] Chemical evolution in the protoplanetary disk midplane can modify the composition of ices and gases. We have investigated if and how chemical evolution affects the abundances and distributions of key volatile species in the…

Earth and Planetary Astrophysics · Physics 2016-11-09 Christian Eistrup , Catherine Walsh , Ewine F. van Dishoeck
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