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deconvolver.naclean - Function

3.1.2 Make a clean image with Hogbom with self masking


Description

The clean is performed on the residual image calculated from the dirty image minus the point spread function convolved with the model currently selected. Thus if you want to restart a clean, simply set the model to the model that was previously produced by clean.

Arguments





Inputs

niter

Number of Iterations, set to zero for no CLEANing

allowed:

int

Default:

1000

gain

Loop Gain for CLEANing, try 0.7 for msclean or fullmsclean

allowed:

double

Default:

0.1

threshold

Flux level at which to stop CLEANing

allowed:

any

Default:

variant 0Jy

model

Name of images

allowed:

string

Default:

mask

Name of mask images to return region cleaned

allowed:

string

Default:

masksupp

Number of pixels on each side of peak to set the memory mask

allowed:

int

Default:

3

memory

this define memory function to use (none, weak, medium, strong)

allowed:

string

Default:

medium

numsigma

remember positions of peak above this number of sigmas

allowed:

double

Default:

5.0

Returns
record

Example

 
 
    dc.naclean(image=’3C273XC1.clean.image’, model=’3C273XC1.clean.model’,  
    mask=’3C283XC1.mask’, niter=1000, gain=0.25, threshold=0.03)  
 

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