[daip] problem with 31DEC10 aips and WSRT dataset ?

[Eric Greisen]

Neeraj Gupta wrote:
> Hi Eric,
> 
>    Thanks a lot.  I agree that the issue here is the imaging geometry.  
> I tried
> both the solutions suggested by you: 
> 
> 1)  I used REGRD to change the image geometry from SIN to NCP. 
> But this did not change anything. 
> 
> 2)  I used UVFIX on the uvdata set.  Just to see if it is 'really' doing 
> something
> I put SHIFT 1 1 i.e. a nominal shift of 1" in RA and DEC but leaving all 
> the
> other options in UVFXPRM as default.  I 'd think that the new u,v,w should
> be in SIN.  But the image from this dataset is same as before i.e. the 
> shift
> wrt FIRST catalog persists. 
>
The idea (1) was simply to do PUTHEAD - REGRD assumes that the header is 
correct and I am assuming that with NCP values of U and V it really isn't.

I am more surprised that the 2nd did not work - I guess I should take a 
harder look at what you sent although I am short of time right now.

Eric Greisen