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Overshoot Inwards from the Bottom of the Intershell Convective Zone in (S)AGB stars

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arxiv 1706.07615 v1 pith:FMHHE2GI submitted 2017-06-23 astro-ph.SR

Overshoot Inwards from the Bottom of the Intershell Convective Zone in (S)AGB stars

classification astro-ph.SR
keywords convectivebottomovershootingzoneintershellinwardsregionstars
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We estimate the extent of overshooting inwards from the bottom of the intershell convective zone in thermal pulses in (S)AGB stars. We find that the buoyancy is so strong that any overshooting should be negligible. The temperature inversion at the bottom of the convective zone adds to the stability of the region. Any mixing that occurs in this region is highly unlikely to be due to convective overshooting, and so must be due to another process.

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