Spot mapping in cool stars

21/9/00


Click here to start


Table of Contents

Spot mapping in cool stars

Science goals

Doppler Imaging I: Basic Principles

PPT Slide

PPT Slide

PPT Slide

Data requirements

Combining line profiles

LSD profiles of Gl 176.3 and AB Dor

Time series: deconvolved Stokes I profiles

Choice of mapping parameter

Local specific intensities

Image-data transformation

Regularised least-squares solutions

Regularised least-squares strategies

RX J1508.6 -4423

Dealing with nuisance parameters

A more systematic approach

Heterogeneous datasets

Surface resolution and noise

Surface resolution and noise – 2

The Occamian approach

Future prospects: The perfect spot code

Starspots as flow tracers

Surface shear: 1996 December 23 - 29

Data-space fits to differential rotation

Spot lifetimes: dwarfs vs (sub)giants

Do spots drift poleward on HR 1099?

So how far have we got?

Author: Physics & Astronomy

Email: acc4@st-and.ac.uk

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

Download presentation source