From: Robert A. Knop Jr. (robert.a.knop@vanderbilt.edu)
Date: Mon Apr 05 2004 - 20:53:46 PDT
Sorry, I'm stupid, I misread what you said.
On Mon, Apr 05, 2004 at 08:43:29PM -0700, Greg Aldering wrote:
>
>
> Vitaliy and I looked at whether the zeropoint corrections just sent
> by Rob bring our photometry into agreement with that of Adam. Here
> is a comparison table
>
> Zorig Zapcor Zcorr ZAdam Diff | Iorig Iapcor Icorr IAdam Diff
> ----------------------------------------------------------------------------
> -076 24.52 0.57 25.09 25.1 0.0 | 25.96 0.59 26.55 26.8 -0.3
> -177 24.61 0.81 25.42 25.2 0.2 | 25.52 0.72 26.24 26.65 -0.41
> -096 24.90 0.73 25.63 25.5 0.1 |
>
> Look at the "Diff" columns; the corrections look good in Z-band. In
> I-band there is still a hint of a systematic (note the I-band magnitude
> uncertainties are 0.2-0.3 mag, so this is just a hint).
>
> - G & V
-- --Prof. Robert Knop Department of Physics & Astronomy, Vanderbilt University robert.a.knop@vanderbilt.edu
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