Re: new version of HST proposal posted

From: Henk Hoekstra (hoekstra@uvic.ca)
Date: Fri Jan 26 2007 - 07:58:23 PST

  • Next message: Kyle S Dawson: "Re: new version of HST proposal posted"

    Dear Anthony,

    I don't. I did a crude measurement of n_gal myself, in a fixed
    aperture and tried to incorporate the change in apparent
    magnitude. Not sure if Kyle did the same. In practice, however, I
    found doing this in more detail makes relatively little difference at
    this stage. Keep in mind that the plot is very preliminary. I must
    admit I was surprised to see how well it worked out!

    Cheers,
    Henk

    On Fri, Jan 26, 2007 at 09:47:19AM -0500, Anthony Gonzalez wrote:
    >
    > > By the way, n_gal is the number of early type galaxies in the ACS
    > > field (Kyle can correct me, as he measured it). I guess we need
    > > to define this in the figure caption.
    >
    > Is a correction applied to ngal for how far down the luminosity function
    > the data probe at different redshifts, or is this a straight measurement
    > from the ACS data?

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