Gaseous flows in the inner part of the circumbinary disk of the T Tauri star

Gaseous flows in the inner part of the circumbinary disk of the T Tauri star

We present results of 3D numerical simulations of the matter flow in the disk of a binary T Tauri star. It is shown that two bow-shocks caused by the supersonic motion of the binary components in the gas of the disk are formed in the system having parameters typical for T Tauri stars. These bow-shoc...

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Bibliographic Details
Published in:Astrophysics and space science Vol. 335; no. 1; pp. 125 - 129
Main Authors: Fateeva, A. M., Bisikalo, D. V., Kaygorodov, P. V., Sytov, A. Y.
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01-09-2011
Springer Nature B.V
Subjects:
Accretion disks
Astrobiology
Astronomy
Astrophysics
Astrophysics and Astroparticles
Cosmology
Double stars
Flow pattern
Fluid mechanics
Observations and Techniques
Original Article
Physics
Physics and Astronomy
Simulation
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Star & galaxy formation
Gap formation
Accretion disks
Binary stars
Gas dynamic simulations
T Tauri
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Summary:We present results of 3D numerical simulations of the matter flow in the disk of a binary T Tauri star. It is shown that two bow-shocks caused by the supersonic motion of the binary components in the gas of the disk are formed in the system having parameters typical for T Tauri stars. These bow-shocks significantly change the flow pattern. In particular, for systems with circular orbits they determine the size and shape of the inner gap. We also show that the redistribution of the angular momentum due to the bow-shocks leads to occurrence of two matter flows propagating from the inner edge of the circumbinary disk to the components. Further redistribution of this matter between the components is considered.
Bibliography:ObjectType-Article-1
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ISSN:0004-640X
1572-946X
DOI:10.1007/s10509-011-0601-5