Re: positions and other pipeline matters

["John D Phillips" <john.d.phillips@insightbb.com>]

The 'Stellar Catalogs' information in the TASS Technical area at
http://www.tass-survey.org/tass/catalogs/catalogs.html doesn't give a
reference to the UCAC catalog.  I understand the UCAC 2 is 'under
construction' but UCAC 1 is available up to approximately DEC +30.  Does
anyone know if it is available on line, or should I follow the instructions
to e-mail nz@pices.usno.navy.mil to request the catalog on cdrom?

John Phillips
john.d.phillips@tass-survey.org

----- Original Message -----
From: "John D Phillips" <john.d.phillips@insightbb.com>
To: <tass@listserv.wwa.com>
Sent: Friday, June 28, 2002 5:50 PM
Subject: 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.
> >
> >
> >
>
>