From: Robert A. Knop Jr. (robert.a.knop@vanderbilt.edu)
Date: Thu May 22 2003 - 10:11:12 PDT
On Thu, May 22, 2003 at 10:04:53AM -0700, Greg Aldering wrote:
> I think that the SNe without suitable colors should be removed from
> Table 4. Then that table is more self-consistent, being "New Fits to
> Perlmutter (1999) SNe used in this paper". I think this is necessary
> because, e.g., the fit to 1997S in this paper probably is not
> superior to the fit given in P99, whereas we think the fits are
> better for others with good colors. These fits were not necessary to
> *make* the cut on color error, since the fits from P99 were suitable
> for that. So, there is no need to introduce them in the table.
OK, will do. I'll change the text a little as well to indicate that.
(That's just a small change.)
>
> Has the issue of 97ai been resolved? It disagrees badly with P99. Are
> we just going to ignore that difference? (Note - this could be handled
> later.)
Not at the moment. Let's ignore it for now, resolve it while the
referee looks at the paper.
> p20, figure 3: If the SNe without colors are removed from consideration, as
> I advocated above, then the dotted tail to negative E(B-V) is
> eliminated; that is, the P99 histogram has to be redone. This
> has the benefit that the horizontal scale can be improved to
> span only -0.75 to 0.75.
Will do; easy enough.
> p21 : Help me out here: at the start of section 4.1 you describe
> K-corrected rest-frame B-band peak magnitudes. But, aren't they also
> stretch-corrected? If not, why not?
You mean in the Hubble diagram? They are not stretch corrected, no.
Reason: because that's the way I did it. (I.e. no good reason.) I
could do that and redo the Hubble diagrams. I would also then add that
to the text.
I think there is value in showing the "plain" magnitudes, although not
enough to add another Hubble diagram (with and without stretch
corrections).
-Rob
-- --Prof. Robert Knop Department of Physics & Astronomy, Vanderbilt University robert.a.knop@vanderbilt.edu
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