Dust Shell Models for Low Mass-Loss Rate Oxygen-Rich AGB Stars

Details Dust Shell Models for Low Mass-Loss Rate Oxygen-Rich AGB Stars Dust Shell Models for Low Mass-Loss Rate Oxygen-Rich AGB Stars

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jkas...38..267s&link_type=abstract

Journal of the Korean Astronomical Society, vol. 38, no. 2, pp. 267-270

Astronomy and Astrophysics

Astronomy

Stars: Agb And Post-Agb, Circumstellar Matter, Radiative Transfer, Infrared: Stars

Scientific paper

We investigate the spectral energy distributions (SEDs) of low mass-loss rate O-rich asymptotic giant branch (AGB) stars using the infrared observational data including the Infrared Space Observatory (ISO) data. Comparing the results of detailed radiative transfer model calculations with observations, we find that the dust formation temperature is much lower than 1000 K for standard dust shell models. We find that the superwind model with a density-enhanced region can be a possible alternative dust shell model for LMOA stars.

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