On the convective envelope of AGB stars

Details On the convective envelope of AGB stars On the convective envelope of AGB stars

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...340..160c&link_type=abstract

Astronomy and Astrophysics, v.340, p.160-162 (1998)

Astronomy and Astrophysics

Astrophysics

4

Convection, Stars: Evolution, Stars: Interiors, Stars: Agb And Post-Agb

Scientific paper

We discuss evolutionary computations investigating the efficiency of the convective "drift" which should affect the location of the inner boundary of the convective envelope in cool giant stars. We find that the drift is at the work in structures undergoing the second dredge up, accelerating the sinking of the envelope into the inner He rich layers and producing smaller C-O cores at the onset of thermal pulses or at the C-ignition. However, such differences appear rather small, with mild consequences on the overall evolutionary scenario.

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