The vertical structure of T Tauri accretion disks. I - Heating by the central star

Details The vertical structure of T Tauri accretion disks. I - Heating by the central star The vertical structure of T Tauri accretion disks. I - Heating by the central star

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...383..814m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 383, Dec. 20, 1991, p. 814-819.

Statistics

Computation

42

Accretion Disks, Radiative Transfer, Stellar Temperature, T Tauri Stars, Computational Astrophysics, Stellar Atmospheres, Stellar Luminosity

Scientific paper

The paper presents the LTE formal solution for the vertical atmospheric temperature structure of an accretion disk illuminated by its central star. It is shown that there are two consequences of irradiation: (1) heating of the photospheric layers resulting in continuum radiation, and (2) heating of the optically thin layers resulting in a chromosphericlike temperature increase that may produce disk emission lines in these regions. These results are illustrated by computing the gray vertical temperature structure of a flat accretion disk. Because of the emergent intensity's anisotropy, the observed disk temperature distribution depends on the disk's view angle.

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