Re: helio vs. cmb redshifts

From: Alex Conley (aconley@panisse.lbl.gov)
Date: Sun Mar 16 2003 - 12:54:16 PST

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    You fit the stretch in the helio frame, then fit a stretch/luminosity
    correction (alpha) during your cosmology fit in the CMB frame. Then
    you correct your luminosities using alpha*stretch.

    On Sun, 16 Mar 2003, Robert A. Knop Jr. wrote:

    > On Sun, Mar 16, 2003 at 11:58:58AM -0800, Alex Conley wrote:
    > > Yes, time dilation is time dilation, but you are still fitting a number
    > > in one frame and then using it in another frame to correct the magnitudes.
    > > Shouldn't your correction factor be measured in the same frame as it is
    > > used?
    >
    > Huh? Where is it used to correct the magnitudes?
    >
    > -Rob
    >
    >

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