[daip] TASK IRING
Eric Greisen
egreisen at nrao.edu
Wed Apr 6 16:26:59 EDT 2016
On 04/06/2016 09:49 AM, Israa wrote:
> Hello,
>
> I am Israa from university of Malaya. I have a question about task IRING
> in AIPS. My question is I have an insert mom0 map (Jy/beam.km/s
> <http://beam.km/s>) as inname in task irng, but when I got the txt file,
> I have seen Jy/beam like that
>
> radius (asec) mean(JY/BEAM.) uncertainty
> 33.2564942 1.0353035 0.1068300
>
> In this case the 1.0353035 is still in Jy/beam.km/s <http://beam.km/s>?
>
> Second question, width of radius should be within the value of beam size ?
1. yes the units are those of the image but the displayed string is only
8 characters (as in the image IMHEADER).
2. I would experiment with different ring widths. Setting the width
less than the Clean beam size is probably not meaningful. But setting
it larger may make the results less noisy.
Eric Greisen
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