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Fig. 19

image

Velocity dispersions σ as a function of mass (for BC03 models). Colored triangles represent our observed values at different redshifts for each mass bin (the values of σ are illustrated together with the errors MAD/), with the size of the triangles increasing for increasing redshift; black open circles are the velocity dispersions derived from the re-reduction of SDSS spectra performed by the Princeton group, used for comparison.

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