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Re: Some Success



Michael,

Thank you.  You have saved me some pretty tortuous QBasic programming.  But 
I had figured out how to do it.  Now it will be much better for me to read 
your pearl program and figure out what it does.

Tom Droege

At 04:19 PM 3/7/02 -0500, you wrote:

>   Tom writes:
>
> > It appears that I got Michael's pipeline to run through to conclusion.  A
> > real success for me.  Thank you Michael!
>   ...
> > OK this gives me the .cal file.  In this case I processed the 56 images
> > from one exposure sequence.  This gives me 160,000 or so star
> > measurements.  I have taken enough of my Linux course to sort this
> > list.  This sort of puts the stars together.  But if one sorts on RA and
> > then Dec. there is the obvious problem that the data from two stars at the
> > same RA is mixed together.
>
>   I've written a Perl script which reads the ".cal" file and writes
>an output file in which all the measurements of a single star are
>consecutive.  It also calculates the mean of each star's measurements,
>and the standard deviation from the mean, and some other stuff.
>
>   You can find a copy of the script, called "calc_gammas_cal.pl" at
>
>         http://spiff.rit.edu/tass/calc_gammas_cal.pl