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iramcalibrater.amp - Function



Package alma
Module alma
Tool iramcalibrater


perform amplitude calibration on the data


Synopsis
amp(fieldnames, freqgrp)


Description
This function performs a phase calibration using the selected calibration sources and spectral window ids. Previously bandpass, phase and flux calibrated data are averaged in the spectral domain, are used to find the amplitude solution. The solutions are antenna based cubic splines. A plot of the solution is returned to the disk as a postscript file with a name consistent with the ms file.



Returns
Bool



Arguments

fieldnames   Field names of calibrators to be used
    Allowed: Vector of Strings
freqgrp   frequency group to use
    Allowed: '3mm-LSB' || '3mm-USB' || '1mm' || '1mm-LSB' || '1mm-USB'
    Default: '3mm-LSB'



Example
myic:=iramcalibrater('mynew.ms')      
myic.phcor(F);
myic.rf(fieldname='0528+134', freqgrp='3mm-LSB')
myic.phase(fieldnames=['0528+134', '0415+379'], freqgrp='3mm-LSB')
myic.flux(fieldnames=['0528+134', '0415+379', 'MWC349'], freqgrp='3mm-LSB', plot=T)
myic.amp(fieldnames=['0528+134', '0415+379'], freqgrp='3mm-LSB')
myic.done()

In the example above we used 0528+134 to do the bandpass calibration and fields 0528+134 and 0415+379 to do the phase and amplitude calibration, while using '0528+134', '0415+379', 'MWC349' for flux.





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