Re: TASS Database, a couple proposels to get started

[Chris Albertson <chrisalbertson90278@yahoo.com>]

OK, so we keep both a "UCAC location" and a "mean of observations"
field in our master catalog.


--- aah@nofs.navy.mil wrote:
> Chris wrote:
> >...We had a rule that the "seeded"
> >means were not to be changed until
> >"number of observations" > "about five"  This worked well
> >and I'd recomend we do it with Mk IV data.
>   I'm suggesting that you do *not* change the seeded means, ever.
> The UCAC positions are accurate to ~20mas, far more accurate than
> TASS, and are from higher resolution images so that there is less
> blending
> problem.  You should keep the master catalog and only extend it
> when you find some new object that does not match.
> Arne
> 


=====
Chris Albertson 
  Home:   310-376-1029  chrisalbertson90278@yahoo.com
  Cell:   310-990-7550
  Office: 310-336-5189  Christopher.J.Albertson@aero.org

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