From: Marc Postman (postman@stsci.edu)
Date: Tue Jan 17 2006 - 07:57:27 PST
Here is a better version with the counts normalized to the surface
density.
On Jan 17, 2006, at 10:14 AM, Marc Postman wrote:
> ere is a revised plot that combines both the color and spectroscopic
> info. This plot shows the color offsets (relative to the mean color of
> the red sequence) for All ellipticals, for those ellipticals with
> redshifts < 1, for those ellipticals with redshifts > 1 but which are
> not cluster members, and for those ellipticals with redshifts > 1 that
> are cluster members. All but one of the z<1 ellipticals lie in the
> color offset range consistent with the blue ellipticals, demonstrating
> that the counts to the left of the red sequence peak are almost all
> foreground galaxies at z < 1. All the cluster ellipticals lie under
> the peak centered on zero offset from the red sequence. The dashed
> line shows the mean number of ellipticals per bin in the region where
> the foreground (blue) ellipticals live - one can (I think anyway)
> easily see in this plot that the overdensity in color and redshift
> space are similar.
>
> Maybe this is the plot we should use in the proposal.
>
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Marc Postman Email: postman@stsci.edu
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