CASA Parameter Dictionary

Parameter	Description	Comments
bptable	Bandpass calibration solutions table
caltable	Output calibration table
channels	Range of channels to fit
constpb	In Sault weighting, the flux scale is constant above this value
fitorder	Polynomial order for fit
fitsfile	Name of input UV FITS file
fluxdensity	Specified flux density [I,Q,U,V] in Jy
fluxtable	Name of output, flux-scaled calibration table
freqtolerance	Tolerance in frequency shift in naming spectral windows
gain	Loop gain for CLEANing
gainselect	Select subset of calibration solutions from gaintable
gaintable	Gain calibration solutions table
highres	Name of high resolution (interferometer) image
imsize	Image size in spatial pixels (x,y)
lowres	Name of low resolution (single dish) image
mask	Name(s) of mask image(s) used for CLEANing
minpb	Minimum primary beam level to use
outputvis	Name of output visibility file (MS)
refant	Reference antenna
solint	Solution interval (sec)
transfer	Transfer field name(s)
fieldid	Field index identifier	0-based
spwid	Spectral window index identifier	0-based
timebin	Value for time averaging	'-1s' indicates no averaging
reference	Reference field name	(transfer flux from)
width	Channel width	(value > 1 indicates channel averaging)
vis	Input visibility file	CASA MeasurementSet on disk
imagename	Name of output image(s)	For clean and mosaic, this will be appended with .residual, .model and .image
tau	Opacity value to apply	if opacity = True
bandname	VLA frequency band	Options: '4','P','L','C','X','U','K','Q'
yaxis	Quantity to plot on the y-axis	Options: 'amp','phase'
xaxis	Quantity to plot on the xaxis	Options: 'azimuth','baseline','channel','elevation','hourangle','parallacticangle','time','u','uvdist'
standard	Flux density standard	Options: 'Baars','Perley 90','Perley-Taylor 95','Perley-Taylor 99'
alg	Imaging algorithm to use	Options: 'clark','hogbom','csclean','multiscale','mfclark','mfhogbom','mfmultiscale'
datacolumn	Which data set column to use	Options: 'DATA'(raw),'MODEL_DATA','CORRECTED_DATA'
stokes	Stokes parameters to image	Options: 'I','IV','IQU','IQUV'
weighting	Weighting to apply to visibilities	Options: 'natural','uniform','briggs','radial',superuniform'
mode	Type of data selection	Options: 'none','channel','velocity'
correlations	Correlations	Options: 'RR','LL','RR LL','XX','YY','XX YY'
scaletype	Image plane flux scale type	Options: 'SAULT','NONE'
fitmode	Use of the continuum fit model	Options: 'subtract','replace','model'
robust	Brigg's robustness parameter	Options: -2.0 (close to uniform) to 2.0 (close to natural)
msselect	Optional subset of the data to select (field, spw,time,etc)	See: http://aips2.nrao.edu/docs/notes/199/199.html
niter	Number of iterations	Set to 0 for no CLEANing
subplot	Plot option for multi-panel ploArEtting	subplot=yxn, where y=number of y panels, x=number of x panels, n=panel number for the current display starting at the top left
timerange	Select time range for subset of data	timerange='YYY/MM/DD/HH:MM:SS.sss' timerange='< YYYY/MM/DD/HH:MM:SS.sss' timerange='> YYYY/MM/DD/HH:MM:SS.sss' timerange='ddd/HH:MM:SS.sss' timerange='< ddd/HH:MM:SS.sss' timerange='> ddd/HH:MM:SS.sss'
gaincurve	Apply VLA antenna gain curve correction	True or False
opacity	Apply opacity correction	True or False
verbose	List each observation in addition to summary	True or False
cell	Cell size [x,y]	Units=arcsec
threshold	Flux level at which to stop CLEANing	Units=mJy
	Used by:
rmode	Robustness mode	Used for weighting = 'briggs'
	Used in:
	Used in:
	Used in:
	Used in:
	Used in:
	Used in: **
	Used in: bandpass, clean, contsub, correct, flagautocorr, fluxscale, gaincal, importarchive, importasdm, importuvfits, invert, listhistory, listobs, mosaic, plotants, plotxy, setjy, split
	Used in: bandpass, clean, contsub, gaincal, invert, mosaic
	Used in: bandpass, clean, gaincal, invert, mosaic, split
	Used in: bandpass, clean, gaincal, invert, mosaic, split
	Used in: bandpass, clean, gaincal, invert, mosaic, split
	Used in: bandpass, contsub, gaincal
	Used in: bandpass, correct
	Used in: bandpass, correct
	Used in: bandpass, correct, gaincal
	Used in: bandpass, correct, gaincal
	Used in: bandpass, correct, gaincal
	Used in: bandpass, correct, gaincal
	Used in: bandpass, fluxscale, gaincal
	Used in: bandpass, gaincal
	Used in: clean, feather, mosaic
	Used in: clean, invert, mosaic
	Used in: clean, mosaic
	Used in: clean, mosaic
	Used in: clean, mosaic
	Used in: clean, mosaic
	Used in: clean, mosaic
	Used in: clean, mosaic
	Used in: contsub
	Used in: contsub
	Used in: contsub
	Used in: correct
	Used in: feather
	Used in: feather
	Used in: fluxscale
	Used in: fluxscale
	Used in: fluxscale
	Used in: importarchive
	Used in: importarchive
	Used in: importuvfits
	Used in: listobs
	Used in: mosaic
	Used in: mosaic
	Used in: mosaic
	Used in: plotants, plotxy
	Used in: plotxy
	Used in: plotxy
	Used in: plotxy
	Used in: plotxy, split
	Used in: setjy
	Used in: setjy
	Used in: split
	Used in: split
	Used in: split
nchan	Number of channels to select	Used when mode = 'channel'
start	Start channel (0-relative), velocity	Used when mode = 'channel','velocity'
step	Increment between channels	Used when mode = 'channel','velocity'

-- JosephMcMullin - 21 Sep 2006

This topic: Software > WebHome > LegacyCASA > ParameterDictionary
Topic revision: 2013-02-13, PatrickMurphy

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