Modeling Dust Around Late-Stage Post-AGB Stars

Details Modeling Dust Around Late-Stage Post-AGB Stars Modeling Dust Around Late-Stage Post-AGB Stars

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924007h&link_type=abstract

American Astronomical Society, AAS Meeting #219, #240.07

Astronomy and Astrophysics

Astronomy

Scientific paper

During the post-AGB phase, intermediate mass stars deposit their outer layers in a dense circumstellar envelope as they sputter on the last of their nuclear fuel. Though the phase lasts only a few thousand years, it is thought to be the time when the asymmetries observed in later-stage Planetary Nebulae develop. We present the results of SED modeling of a sample of late-stage post AGB stars and examine the implications of our results for the dust chemistry and shaping agents active during this phase.

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