[daip] UVCON with IN2NAME .NE. BLANK

[Leonia Kogan]

Subhashis,

As you requested I have carried out the test of UVCON with IN2NAME.NE.blank.

1. I created the image with CC table attached. You can see this CC table 
contents at the attachment. The lines 2,3,4 of the table correspond  to 
the 3 components you wanted to simulate. So the relevant piece of UVCON 
inputs is IN2NAME = , INVERS = 1, NMAPS=1, BCOMP=2, NCOMP=4.
I do not understand what NMAPS=3, and NCOMP=2,2,2 means in your test?

2. I did not look at the individual baseline amplitude. Instead I 
created the image based on the UVCON UV data output.

3. I ran IMAGR and got the image you can see at the second picture of 
the attachment. You see the image is precisely the expected one !!!

So UVCON works.

Comments:

  I (and you also probably) used at the UVCON  with DO3DIMAG=0
    That means that W term=0 when the visibilities are calculated in UVCON.
Actually the Wterm = W(in lambdas)*(l**2) may be very big for some 
baseline: ~1E4 *(0.5/57)**2 ~1 !
I built the image considering the flat sky. Eric made a test using IMAGR 
with curvature of the sky and did not get so excellent image.
Anyway UVCON does what it expects to do.

LK


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