about errors in reduced Spectra

Erika Ma. Benitez Lizaola wrote on Aug 09, 2004

On Mon, 2004-08-09 at 14:56, Erika Ma. Benitez Lizaola wrote:
> 
> 
> Hi,
> 
> I wrote about this last week, but I have
> not get any replay from you.
> 
> I need to know the errors associated with
> spectra reduced with IRAF/longslit tasks.
> Once you have your flux vs lambda spectra, 
> how can I know the sigma at each point?
> 
> If this is contained in a manual, let
> me know where and I will look at it.
> I will appreciate a lot any help from you
> since I'm currently depending on this 
> and cannot go ahead with my analysis.
> 
> Cheers to all,
> Erika Benitez

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Last post on Aug 09, 2004