[daip] Hi

[Eric Greisen]

On 06/10/2014 10:53 AM, Nirupam Roy wrote:
> Hi Eric,
>
> How are you? I have a question to you about the option of superuniform
> weight in AIPS (and CASA). In AIPS, I use UVBOX to invoke
> superuniform. Is the ROBUST parameter redundant in that case?
>
> I am trying to reproduce, in AIPS, a map created by CASA CLEAN. There
> the parameters were weighting='superuniform' and npixels=5. As I
> understand, UVBOX=2 will give me the same 5x5 cells. But, should I
> also set ROBUST parameter in AIPS to uniform (ROBUST = -5), or keep it
> to default value of 0? Does it matter at all?
>
>
> With regards,
> Nirupam
>

ROBUST also matters - it is a tempering that is done on the uniform 
weights and applies at all times.  The super uniform probably changes 
the actual value of the temper number which is computed following Dan 
Brigg's prescriptions.

Eric Greisen