National Radio
Astronomy Observatory

5.3.12 Parameter threshold

The threshold parameter instructs clean to terminate when the maximum (absolute?) residual reaches this level or below. Note that it may not reach this residual level due to the value of the niter parameter which may cause it to terminate early.

If threshold is given a floating-point number, then this is the threshold in milli-Jansky.

You can also supply a flux density quanta to threshold, e.g.

(these do the same thing).

More information about CASA may be found at the CASA web page

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