GG Tau A: gas properties and dynamics from the cavity to the outer disk

10 Feb 2020 Phuong N. T. Dutrey A. Diep P. N. Guilloteau S. Chapillon E. Di Folco E. Tang Y-W. Pietu V. Bary J. Beck T. Hersant F. Hoai D. T Hure J. M. Nhung P. T. Pierens A. Tuan-Anh P.

We used new ALMA $^{13}$CO and C$^{18}$O(3-2) observations obtained at high angular resolution ($\sim$0.2") together with previous CO(3-2) and (6-5) ALMA data and continuum maps at 1.3 and 0.8 mm in order to determine the gas properties (temperature, density, and kinematics) in the cavity and to a lesser extent in the outer disk of GG Tau A, the prototype of a young triple T Tauri star that is surrounded by a massive and extended Keplerian outer disk. By deprojecting, we studied the radial and azimuthal gas distribution and its kinematics... (read more)

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Categories


  • SOLAR AND STELLAR ASTROPHYSICS
  • EARTH AND PLANETARY ASTROPHYSICS
  • ASTROPHYSICS OF GALAXIES