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Title: Dynamics of circumstellar disks. III. The case of GG Tau A

Abstract

Here, we present two-dimensional hydrodynamic simulations using the Smoothed Particle Hydrodynamic code, VINE, to model a self-gravitating binary system. We model configurations in which a circumbinary torus+disk surrounds a pair of stars in orbit around each other and a circumstellar disk surrounds each star, similar to that observed for the GG Tau A system. We assume that the disks cool as blackbodies, using rates determined independently at each location in the disk by the time dependent temperature of the photosphere there. We assume heating due to hydrodynamical processes and to radiation from the two stars, using rates approximated from a measure of the radiation intercepted by the disk at its photosphere.

Authors:
ORCiD logo [1];  [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Univ. di Padova, Padova (Italia)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1329905
Report Number(s):
LA-UR-16-23283
Journal ID: ISSN 1538-4357
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 827; Journal Issue: 2; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; accretion; accretion disks; binaries: general; protoplanetary disks; stars: formation; stars: variables: T Tauri; Herbig Ae/Be

Citation Formats

Nelson, Andrew F., and Marzari, Francesco. Dynamics of circumstellar disks. III. The case of GG Tau A. United States: N. p., 2016. Web. doi:10.3847/0004-637X/827/2/93.
Nelson, Andrew F., & Marzari, Francesco. Dynamics of circumstellar disks. III. The case of GG Tau A. United States. doi:10.3847/0004-637X/827/2/93.
Nelson, Andrew F., and Marzari, Francesco. Thu . "Dynamics of circumstellar disks. III. The case of GG Tau A". United States. doi:10.3847/0004-637X/827/2/93. https://www.osti.gov/servlets/purl/1329905.
@article{osti_1329905,
title = {Dynamics of circumstellar disks. III. The case of GG Tau A},
author = {Nelson, Andrew F. and Marzari, Francesco},
abstractNote = {Here, we present two-dimensional hydrodynamic simulations using the Smoothed Particle Hydrodynamic code, VINE, to model a self-gravitating binary system. We model configurations in which a circumbinary torus+disk surrounds a pair of stars in orbit around each other and a circumstellar disk surrounds each star, similar to that observed for the GG Tau A system. We assume that the disks cool as blackbodies, using rates determined independently at each location in the disk by the time dependent temperature of the photosphere there. We assume heating due to hydrodynamical processes and to radiation from the two stars, using rates approximated from a measure of the radiation intercepted by the disk at its photosphere.},
doi = {10.3847/0004-637X/827/2/93},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 827,
place = {United States},
year = {2016},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 5 works
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