Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.212..159b&link_type=abstract
Astrophysics and Space Science, vol. 212, nos. 1-2, p. 159-165
Astronomy and Astrophysics
Astrophysics
3
Accretion Disks, Early Stars, Extrasolar Planets, Protoplanets, Stellar Envelopes, T Tauri Stars, High Resolution, Imaging Techniques, Near Infrared Radiation, Stellar Models, Thermal Radiation
Scientific paper
We present synthetic images of accretion disks around young stars computed from a model where the disk's vertical structure is solved assuming hydrostatic equilibrium. The disk's brightness results from three emission processes: (1) the reprocessing of stellar photons in the optically thick disk's regions; (2) the scattering of stellar photons in the optically thin parts of the disk; and (3) the thermal emission of the disk due to viscous energy dissipation during the accretion process. We discuss the relative importance of these emission processes at wavelengths ranging from 1.2 to 20 micrometers.
Bouvier Jerome
Malbet Fabian
Monin Jean-Louis
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