Non-stationary disk accretion in T Tauri stars

Details Non-stationary disk accretion in T Tauri stars Non-stationary disk accretion in T Tauri stars

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasj...45..191m&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 45, no. 2, p. 191-199.

Astronomy and Astrophysics

Astronomy

1

Accretion Disks, Magnetohydrodynamic Stability, Mass Distribution, Stellar Evolution, T Tauri Stars, Stellar Models, Stellar Spectra

Scientific paper

The time evolution of viscous disks around young stellar objects is investigated using the standard accretion disk model (e.g., Lightman, 1974; Lynden-Bell and Pringle, 1974). Using a prescribed disk viscosity, the gas diffusion process in the disk is calculated for a given initial distribution of the disk mass. The resultant spectra were found to be flatter than expected in the steady disk model within the diffusion time scale, t less than t(dif).

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