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astro-ph2000
The dynamical evolution of the fragmented, bipolar dust shell around the carbon star IRC +10216: Rapid changes of a PPN-like structure?
R. Osterbart, Y. Balega, T. Bloecker +2
We present high-resolution J-, H-, and K-band observations and the first H-K color image of the carbon star IRC +10216. The images were reconstructed from 6m telescope speckle inte…
astro-ph2000
The dynamical evolution of the dust shell of IRC+10216
R. Osterbart, Y. Balega, T. Bloecker +2
We present high-resolution J-, H-, and K-band observations of the carbon star IRC+10216. The images were reconstructed from 6 m telescope speckle interferograms using the bispectru…
astro-ph2000
AGB evolution with overshoot: hot bottom burning and dredge up
T. Bloecker, F. Herwig, T. Driebe
We calculated models of massive AGB stars with a self-consistent coupling of time-dependent mixing and nuclear burning for 30 isotopes and 74 reactions. Overshoot with an exponenti…