Modelling of the Observed Post-AGB Evolution

Details Modelling of the Observed Post-AGB Evolution Modelling of the Observed Post-AGB Evolution

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001assl..265..139t&link_type=abstract

Post-AGB Objects as a Phase of Stellar Evolution, Proceedings of the Toruń Workshop held July 5-7, 2000. Edited by R. Szczerba a

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We have done calculations modelling the post-AGB evolution. Our modelling takes into account the evolution of the central star and hydrodynamics of the dust-gas nebula formed from the AGB and post-AGB winds. The results allow us to construct and discuss a histogram of post-AGB objects with the spectral type. We show that important selection effects can be present in the histogram due to large optical thickness of the nebula in early post-AGB phases. A preliminary comparison of the modelled histograms with observations suggests that the typical mass of post-AGB objects is close to 0.6 mboxMsolar.

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