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imagercomponenttest - Function



Package synthesis
Module imager


Perform a test of component model processing using a standard MeasurementSet


Synopsis
imagercomponenttest(size, doshift, doplot)


Description
Perform a test of component model processing. The dataset used is an observation of 3C273 at 8GHz using the C-configuration of the VLA. It is part of the AIPS++ distribution.

The test does the following:

  • The uvfits file that is to be read in is in a standard place in the AIPS++ code source area.
  • The MeasurementSet is read from the uvfits file.
  • A component list is constructed and using in the subsequent processing. A point component is placed at the position of the core of 3C273, but specified in Galactic coordinates.
  • The component model is used in predicting the model visibilities.
  • A plot of the visibilities is made.
  • The image is cleaned and restored. The center of the image is shifted to half way down the jet.



Returns
Bool


Arguments

size Number of pixels on a side
Allowed: Int
Default: 128
doshift Shift the phase center
Allowed: Bool
Default: T
doplot Plot?
Allowed: Bool
Default: T


Example
imagercomponenttest()






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2006-10-15