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imager.fixvis - Function

2.3.1 Performs visibility adjustments.
Description

This corrects visibilities, and/or their (u, v, w) positions, for various effects that can be calculated without fitting a model to the data.

The effects include:

Arguments





Inputs

fields

Field IDs (numbered relative to 0) to operate on. Blank = all.

allowed:

intArray

Default:

-1

phasedirs

Phase tracking centers for each field in fields, in the same order.

allowed:

stringArray

Default:

refcode

Reference code for the type of (u, v, w) coordinates to use in the output. ” = use the type in the input ms.

allowed:

string

Default:

distances

A list of distances (in m) for the fields listed in fields. 0 = infinity.

allowed:

doubleArray

Default:

0.0

datacolumn

Which of DATA, MODEL_DATA, and/or CORRECTED_DATA to operate on. Default: ”all”.

allowed:

string

Default:

all

Returns
bool

Example

     im.open("3C273XC1.MS")  
     im.fixvis()  
     im.done()  
     

Please send any comments or questions about CASA or AIPS++ to aips2-requests@nrao.edu

Copyright © 2008 Associated Universities Inc., Washington, D.C.

This code is available under the terms of the GNU General Public Lincense


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Updated daily during alpha development.