Date: Fri, 8 Nov 2002 15:00:24 -0600 (CST)
From: Stephen Kent
Subject: Re: Bad S/N on 2.5m obslog 20021107 (MJD 52586)
On Fri, 8 Nov 2002, David Schlegel wrote:
> Steve and Scot,
>
> I just wanted to point out that this doesn't make sense.
> The S/N numbers are relative to a given magnitude in
> the same band, so obviously that shouldn't depend upon
> the type of objects targetted.
>
Doh, yes.  plPlugMapM has mag in 5 bands.
> It's rather obvious that something been wrong with the
> spectra for some time now.  I won't be convinced to care
> until we're taking survey data again, though the accumulated
> problems might be too large to want to tackle by then.
>
Actually, we ARE taking northern survey data - e.g. plate 896 on 52584
(which also shows the same problem, albeit at low S/N overall).
Steve
> -D