AIPS – CASA dictionary

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G.1 AIPS – CASA dictionary

In Table G.1 we provide a comparison of CASA and AIPS commands. The data reduction recipes and break-down of jonbs in individual tasks, however, is not the same in both packages. Nevertheless, the table may give AIPS users a good start if they searcj for functionality in CASA.

Table G.1: AIPS – CASA dictionary


AIPS Task	CASA task/tool	Description
APROPOS	taskhelp	List tasks with a short description of their purposes
BLCAL	blcal	Calculate a baseline-based gain calibration solution
BLCHN	blcal	Calculate a baseline-based bandpass calibration solution
BPASS	bandpass	Calibrate bandpasses
CALIB	gaincal	Calibrate gains (amplitudes and phases)
CLCAL	applycal	Apply calibration to data
COMB	immath	Combine images
CPASS	bandpass	Calibrate bandpasses by polynomial fitting
DBCON	concat	Concatenate u-v datasets
DEFAULT	default	Load a task with default parameters
FILLM	importvla	Import old-format VLA data
FITLD	importuvfits	Import a u-v dataset which is in FITS format
FITLD	importfits	Import an image which is in FITS format
FITTP	exportuvfits	Write a u-v dataset to FITS format
FITTP	exportfits	Write an image to FITS format
FRING	—	Calibrate group delays and phase rates.
GETJY	fluxscale	Determine flux densities for other cals
GO	go	Run a task
HELP	help	Display the help page for a task
IMAGR	clean	Image and deconvolve
IMFIT	imfit	Fit gaussian components to an image
IMHEAD	vishead	View header for u-v data
IMHEAD	imhead	View header for an image
IMLIN	imcontsub	Subtract continuum in image plane
IMLOD	importfits	Import a FITS image
IMSTAT	imstat	Measure statistics on an image
INP	inp	View task parameters
JMFIT	imfit	Fit gaussian components to an image
LISTR	listobs	Print basic data
MCAT	ls	List image data files
MOMNT	immoments	Compute moments from an image
OHGEO	imregrid	Regrids an image onto another image’s geometry
PBCOR	immath	Correct an image for the primary beam
PCAL	polcal	Calibrate polarization
POSSM	plotcal	Plot bandpass calibration tables
POSSM	plotms	Plot spectra
PRTAN	listobs	Print antenna locations
PRTAN	plotants	Plot antenna locations
QUACK	flagdata	Remove first integrations from scans
RENAME	mv	Rename an image or dataset
SETJY	setjy	Set flux densities for flux cals
SMOTH	imsmooth	Smooth an image
SNPLT	plotcal	Plot gain calibration tables
SPFLG	viewer	Flag raster image of time v. channel
SPLIT	split	Write out u-v files for individual sources
TASK	inp	Load a task with current parameters
TGET	tget	Load a task with parameters last used for that task
TVALL	viewer	Display image
TVFLG	viewer	Flag raster image of time v. baseline
UCAT	ls	List u-v data files
UVFIX	fixvis	Compute u, v, and w coordinates
UVFLG	flagdata	Flag data
UVLIN	uvcontsub	Subtract continuum from u-v data
UVLSF	uvcontsub	Subtract continuum from u-v data
UVPLT	plotms	Plot u-v data
UVSUB	uvsub	Subtracts model u-v data from corrected u-v data
WIPER	plotms	Plot and flag u-v data
ZAP	rmtables	Delete data files

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