[daip] CC component definition

[Eric Greisen]

rperley at nrao.edu wrote:
> Eric:
> 
> We're trying to use Oleg Smirnov's fancy differential software package to
> see if we can improve the 3C147 image I made.  I've given him the AIPS CC
> file.  He has a question:  Are the offsets true angular offsets in (l,m)
> (in arcseconds), or are they sin(angle) units?  I presume they are in
> correct (l,m) system, and not just E-W and N-S?
> 
> Rick (in Port Alfred, SA -- a Socorro-sized holiday town on the Indian
> Ocean).
> 

You would be wrong - they are simple linear offsets from the phase 
reference position of the particular facet.

Eric