Externally induced evaporation of young stellar disks in Orion.

Details Externally induced evaporation of young stellar disks in Orion. Externally induced evaporation of young stellar disks in Orion.

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996nascp3339...55j&link_type=abstract

Scientific conference: From stardust to planetesimals, p. 55 - 58

Physics

Circumstellar Disks: Young Stars, Circumstellar Disks: Radiative Transfer

Scientific paper

The authors propose a model for the evaporation of disks around young low-mass stars by external sources of high energy photons. Two evaporation techniques are possible. Lyman continuum radiation can ionize hydrogen at the disk surface powering a steady thermal ionized disk-wind or FUV radiation can heat the disk through photo-electric grain processes powering a slower thermal neutral disk-wind. Applying these two models to the evaporating objects in the Trapezium produces a satisfactory solution to both the mass-loss rate and size of the ionized envelopes.

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