Date: Fri, 6 May 2011 11:26:30 -0400
From: Peter Teuben 
To: Jun-Hui Zhao 
Cc: Arielle Moullet , miriad-dev@astro.berkeley.edu,
     Bob Sault , melvyn wright 
Subject: Re: Suggestion for  miriad improvements (fwd)

I'm not clear on the missing models, the model= keyword in selfcal
allows for any arbitrary map, in fact, you can use an iterative selfcal
and supply a Jy/Pixel clean component map that you obtained from an
earlier mapping. I believe Mike Regan has used that a lot.

There is also the program uvmodel, which could be used together with
uvgen to create some ways to fit and look at residuals to learn more
about certain types of observations. I imagine this can be useful
especially with small number of baselines.

peter

On [Fri May 06 11:17], Jun-Hui Zhao wrote:
> Hi Arielle,
>      Good suggestion. I'm forwarding your message to the
> Miriad development group and the Miriad gurus. People may
> have been working on and plan to such an implementation.
>      Thanks.
>      Jun-Hui
> 
> 
> ---------- Forwarded message ----------
> Date: Fri, 06 May 2011 11:00:51 -0400
> From: Arielle Moullet 
> To: Jun-Hui Zhao 
> Subject: Suggestion for  miriad improvements
> 
> Hi, as I told you my suggestion was to implement self-calibration.
> So far, it is possible in miriad to use a point-source model or a
> disk-source model to calibrate on. It would be great if there was a way
> to use a given user-supplied model as the reference.
> Please  let me know if I wasn't very clear. Such self-calibration is
> possible using GILDAS - but only baseline-based ! While the nest way to
> do this - provided there are sufficient antennas - is antenna-based.
> Thank you for considering this,
> regards
> Arielle