From: Chris Lidman (clidman@eso.org)
Date: Sun Mar 28 2004 - 06:17:09 PST
Hi Rob,
"Robert A. Knop Jr." wrote:
> On Sat, Mar 27, 2004 at 11:46:11PM -0400, Chris Lidman wrote:
>
>> The 0.1 magnitudes comes from Lifan's analysis of ~500 spectra - no
>> don't jump! I am assuming that Lifan got this part of the analysis
>> correct. The 0.05 magnitudes we had used before came from comparing a
>> much smaller number of spectra, basically yours and Rob's. I feel that
>> the 0.1 magnidues estimated by Lifan is more secure estimate of the
>> scatter.
>
> Did Lifan give that scatter, or is that based on an offset between
> Lifan
> and what Serena did?
>
The scatter is not based on the offset between Serena's and Lifan's
results,
but on the 1 sigma bounds given in Lifan's plots.
>
> Before I'd trust this at all, I'd want to know more about Lifan's
> analysis.
>
Agreed. It would be very useful if Lifan could write a technical
report. The information
has been coming out in drips and drabs and this is not satisfactory.
Cheers, Chris.
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