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TU Berlin

1998

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Diffraction-limited 76 mas speckle-masking interferometry of the carbon star IRC+10216 and related AGB objects with the SAO 6m telescope

G. Weigelt, T. Blöcker, K.-H. Hofmann, R. Osterbart, Y. Balega, A.J. Fleischer, and J.M. Winters

Contributed talk presented at the IAU Symposium 191: AGB Stars, August 27th - September 1st 1998, Montpellier, France

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Abstract:

Dynamical Modeling of circumstellar Outflows

A.J. Fleischer, J.M. Winters, and E. Sedlmayr

Invited talk presented at the IAU Symposium 191: AGB Stars, August 27th - September 1st 1998, Montpellier, France

Gzipped PostScript version (51 KB)

Abstract:

The final 10^5 years of stellar AGB evolution in the presence of a pulsating, dust-induced "superwind"

K.-P. Schröder, J.M. Winters, and E. Sedlmayr

Contributed talk presented at the IAU Symposium 191: AGB Stars, August 27th - September 1st 1998, Montpellier, France

Gzipped PostScript version (42 KB)

Abstract:

Dust formation in oxygen-rich circumstellar shells around long-period variables

K.S. Jeong, J.M. Winters, and E. Sedlmayr

Contributed talk presented at the IAU Symposium 191: AGB Stars, August 27th - September 1st 1998, Montpellier, France

Gzipped PostScript version (85 KB)

Abstract:

Infrared appearance of dust forming LPVs

J.M. Winters, Thibaut Le Bertre, and John J. Keady

Contributed talk presented at the IAU Symposium 191: AGB Stars, August 27th - September 1st 1998, Montpellier, France

Gzipped PostScript version (163 KB)

Abstract:

Dust formation in stellar winds: VII. Kinetic nucleation theory for chemical non-equilibrium in the gas phase

A.B.C. Patzer, A. Gauger, E. Sedlmayr

Astronomy & Astrophysics, 337, 847-858 (1998)

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Abstract:

A theoretical model for episodic mass-loss producing detached shells around bright carbon stars

K.-P. Schröder, J.M. Winters, T.U. Arndt and E. Sedlmayr

Astronomy & Astrophysics, 335, L9-L12 (1998)

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Abstract:

On the relations between infrared colors and mass loss rates for Mira stars

T. Le Bertre and J.M. Winters

Astronomy & Astrophysics, 334, 173-180 (1998)

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Abstract:

A relation between the near-infrared color K-L" and the mass loss rate, dot{M}, is found for nearby (d<2kpc) oxygen-rich Mira stars. This relation is qualitatively similar to the one for carbon stars, but quantitatively different.

Red supergiants, and maybe long-period OH/IR stars, do not follow this relation. This could point to a different process for mass loss in these more luminous sources.

76mas speckle-masking interferometry of IRC+10216 with the SAO 6m telescope

G. Weigelt, Y. Balega, T. Blöcker, A.J. Fleischer, R. Osterbart and J.M. Winters

Astronomy & Astrophysics, 333, L51-L54 (1998)

Gzipped PostScript version (186 kB)

Abstract:

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