STELLAR “PROMINENCES”

21/9/00


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Table of Contents

STELLAR “PROMINENCES”

Spots and prominences: signatures

Goals

Radial accelerations

Axial distances of absorbing clouds

Coronal condensations: single stars

Physical properties:

Emission signatures

Tomographic back-projection

What’s holding them down?

Condensations within equatorial co-rotation radius

Latitude dependence

High latitude downflows in BD+22 4409

Evolution of absorption transients

AB Dor: starspot distribution 1996 Dec 23 - 29

AB Dor: Radial magnetic field 1996 Dec 23 - 29

Surface shear: AB Dor, 1996 Dec 23 - 29

Phase drift of prominences AB Dor 1995 Dec 7 to 11

Support in complex field structures

Open field topology from ZDI

Stable gravitational-centrifugal minima

Summary and conclusions

PPT Slide

Author: Physics & Astronomy

Email: acc4@st-and.ac.uk

Home Page: http://star-www.st-and.ac.uk/~acc4/homepage.html

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