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NRAO Home > CASA > CASA Toolkit Reference Manual |
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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 |
|
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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Copyright © 2016 Associated Universities Inc., Washington, D.C.
This code is available under the terms of the GNU General Public Lincense
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