Superwind Models for the Dust Shells around OH/IR Stars

Details Superwind Models for the Dust Shells around OH/IR Stars Superwind Models for the Dust Shells around OH/IR Stars

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.7203j&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #72.03; Bulletin of the American Astronomical Society, Vol. 28, p.944

Astronomy and Astrophysics

Astronomy

Scientific paper

We investigate the observational effects of a 'superwind' mass loss phase driven by a thermal pulse in the interior of Late AGB stars. Radiative equilibrium models of dust shells around red giants that contain an enhancement in the dust density distribution over a discrete range in radii are computed. The emergent model spectral energy distribution is compared with observations. Superwind dust shell models with a distant detatched enhancement fit the observations of very dusty OH/IR stars better than conventional model density distributions. However,superwind models with the enhancement detatched but in close to the condensation radius produce peculiar results not seen in OH/IR stars.

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