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NRAO Home > CASA > CASA Toolkit Reference Manual |
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componentlist.getspectrum - Function
1.2.1 Return the spectral parameters the component
Description
The getspectrum function returns the spectral parameters of a component in a
record. As different spectral shapes can have a differing number and type of
parameters the spectral parameters are returned in a record with fields that
correspond to parameters relevant to the current spectral shape.
For a constant spectrum there are only two fields; type and frequency. These are the spectral type, and the reference frequency. These values are also returned by the spectrumtype and getfreq functions.
For the spectral index spectral shape there is also an index field. This contains a vector with four numbers, these are the spectral indicies for the I,~Q,~U,~&~V components of the flux.
Arguments
Inputs |
| ||
which |
| An index specifying which component. An integer
between 0 and one less than the list length, inclusively
| |
| allowed: | int |
|
| Default: |
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record
Example
See the examples for the
setspectrum \&
getspectrum
functions.
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