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Bodo Ziegler

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<strong>Bodo</strong> <strong>Ziegler</strong>: Kinematic & Structural Evolution of Field & Cluster Spirals - Potsdam 21.9.10<br />

Kinemetry of Regular Spiral Cluster Member<br />

Reconstructed map with best fitting ellipses<br />

using higher order Fourier terms & its residual map.<br />

Kutdemir, <strong>Ziegler</strong> et al. 2008<br />

R (distance from center)<br />

Position<br />

Angle<br />

Flattening<br />

(b/a)<br />

Bulk Motion<br />

Deviation<br />

from<br />

simple<br />

rotation<br />

Separate<br />

kinematic<br />

components

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