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Dust traffic jams in inclined circumbinary protoplanetary discs – I. Morphology and formation theory
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Aly, Hossam, Gonzalez, Jean-François, Nealon, Rebecca, Longarini, Cristiano, Lodato, Giuseppe and Price, Daniel J. (2021) Dust traffic jams in inclined circumbinary protoplanetary discs – I. Morphology and formation theory. Monthly Notices of the Royal Astronomical Society, 508 (2). pp. 2743-2757. doi:10.1093/mnras/stab2794 ISSN 1745-3933.
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Official URL: https://doi.org/10.1093/mnras/stab2794
Abstract
Gas and dust in inclined orbits around binaries experience precession induced by the binary gravitational torque. The difference in precession between gas and dust alters the radial drift of weakly coupled dust and leads to density enhancements where the radial drift is minimized. We explore this phenomenon using 3D hydrodynamical simulations to investigate the prominence of these ‘dust traffic jams’ and the evolution of the resulting dust sub-structures at different disc inclinations and binary eccentricities. We then derive evolution equations for the angular momentum of warped dust discs and implement them in a 1D code and present calculations to further explain these traffic jams. We find that dust traffic jams in inclined circumbinary discs provide significant dust density enhancements that are long lived and can have important consequences for planetesimal formation.
| Item Type: | Journal Article | ||||||||||||||||||||||||
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| Subjects: | Q Science > QB Astronomy | ||||||||||||||||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||||||||||||||
| SWORD Depositor: | Library Publications Router | ||||||||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Double stars, Double stars -- Orbits , Disks (Astrophysics), Planets -- Origin, Accretion (Astrophysics) , Protoplanetary disks | ||||||||||||||||||||||||
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||||||||||||||||||||||
| Publisher: | Oxford University Press | ||||||||||||||||||||||||
| ISSN: | 1745-3933 | ||||||||||||||||||||||||
| Official Date: | 2 October 2021 | ||||||||||||||||||||||||
| Dates: |
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| Volume: | 508 | ||||||||||||||||||||||||
| Number: | 2 | ||||||||||||||||||||||||
| Page Range: | pp. 2743-2757 | ||||||||||||||||||||||||
| DOI: | 10.1093/mnras/stab2794 | ||||||||||||||||||||||||
| Status: | Peer Reviewed | ||||||||||||||||||||||||
| Publication Status: | Published | ||||||||||||||||||||||||
| Reuse Statement (publisher, data, author rights): | This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society Copyright © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society. All rights reserved. | ||||||||||||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||||||||
| Date of first compliant deposit: | 24 November 2021 | ||||||||||||||||||||||||
| Date of first compliant Open Access: | 25 November 2021 | ||||||||||||||||||||||||
| RIOXX Funder/Project Grant: |
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