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Re: positions and other pipeline matters
I think that the scripts I wrote to match objects to the Tycho 2 catalog
would be very easily adapted to matching with the UCAC catalog. (If I had a
copy). I volunteer to do what Tom has suggested below. "Produce a
collected.big file with UCAC positions".
John Phillips
john.d.phillips@tass-survey.org
----- Original Message -----
From: "Tom Droege" <tdroege2@earthlink.net>
To: "Stupendous Man" <richmond@a188-l009.rit.edu>; <tass@listserv.wwa.com>
Sent: Friday, June 28, 2002 10:31 AM
Subject: Re: positions and other pipeline matters
> As L'il Abner might say "Given a collected.big file and a UCAC catalog,
any
> fool could write a program that matched them up and produced UCAC position
> collected.big file, I could write it."
>
> Seems to me that there is nothing to stop this from being done right
> now. I think Arne will provide a catalog to someone that wants to do
> it. Why not do this as a post processing step to Michael's pipeline?
Does
> someone want to take this on?
>
> I read Michael below as saying the pipeline is not going to change
> much. He might change the format - but I think this is not a very big
> problem. One just adds columns of stuff.
>
> The data base, as I see it, is a separate problem. Given a big list of
> measurements that are of high quality and which contain interesting data,
> someone will solve the data base problem. It is not such a large problem
> by today's standards that it will not be able to live in some standard
place.
>
> It is my mind to get on with it. Keep taking measurements and reducing
> them with the present pipeline. We are now talking about small
> improvements. A few percent here, a few percent there. Desirable, but
not
> essential to the project.
>
> I plan to do just that. Work on collecting data and processing it through
> the pipeline. Get an engineering paper out late this year after I have
> completed +7 N and then go on to other areas. Get a big scan going so
that
> I get each area of the sky every few days. Get some areas with short
> period variable scans.
>
> Tom Droege
>
>
> At 09:40 AM 6/28/02 -0400, you wrote:
>
> > Arne suggests that we match up detected stars to UCAC stars, then
> >use the UCAC positions for all subsequent analysis.
> >
> > > Again, UCAC is the way to go here; keep its coordinates and don't
> > > try to improve on them.
> >
> > Tom agrees:
> >
> > > Yep, I am patiently waiting for someone to fix up Michael's pipeline
to
> > use
> > > UCAC. Then I will process all the data again and collect_stars will
> > not be
> > > needed.
>
>
>