Stéphane Courteau
Stéphane Courteau
Stéphane Courteau
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TFR as a Tracer of DM<br />
Pure self-gravitating exponential disks should have<br />
∂logV(<br />
M )<br />
∂logR<br />
( M<br />
exp<br />
r = −<br />
0.<br />
5<br />
but observed spiral disks have<br />
∂logV 2.2<br />
∂logR exp<br />
r<br />
)<br />
= −0.08 ± 0.04