| AHIST | Task to convert image intensities by adaptive histogram |
| ALLOKAY | specifies that initial conditions have been met. |
| APCLN | Deconvolves images with CLEAN algorithm |
| APGS | deconvolves image with Gerchberg-Saxton algorithm |
| APVC | Deconvolves images with van Cittert algorithm |
| AVOPTION | Controls type or range of averaging done by a task |
| BCOMP | gives beginning component number for multiple fields |
| BLC | gives lower-left-corner of selected subimage |
| BLWUP | Blow up an image by any positive integer factor. |
| BMAJ | gives major axis size of beam or component |
| BMIN | gives minor axis size of beam or component |
| BOX | specifies pixel coordinates of subarrays of an image |
| BOX2CC | Converts CLBOX in pixels to CCBOX in arc seconds |
| BOXES | Adds Clean boxes to BOXFILE around sources. |
| BOXFILE | specifies name of Clean box text file |
| BPA | gives position angle of major axis of beam or component |
| BSAVG | Task to do an FFT-weighted sum of beam-switched images |
| BSCLN | Hogbom Clean on beam-switched difference image |
| BSGRD | Task to image beam-switched single-dish data |
| BSMAP | images weak sources with closure phases |
| CANDY | user-definable (paraform) task to create an AIPS image |
| CCBOX | specifies pixel coordinates of subarrays of an image |
| CCEDT | Select CC components in BOXes and above mininum flux. |
| CCFND | prints the contents of a Clean Components extension file. |
| CCGAU | Converts point CLEAN components to Gaussians |
| CCMOD | generates clean components to fit specified source model |
| CCMRG | sums all clean components at the same pixel |
| CCRES | Removes or restores a CC file to a map with a gaussian beam. |
| CELLSIZE | gives the pixel size in physical coordinates |
| CHKFC | makes images of Clean boxes from Boxfile |
| CLBOX | specifies subarrays of an image for Clean to search |
| CMETHOD | specifies the method by which the uv model is computed |
| CMODEL | specifies the method by which the uv model is computed |
| COHER | Baseline Phase coherence measurement |
| CONPL | Plots AIPS gridding convolution functions |
| CONVL | convolves an image with a gaussian or another image |
| CUTOFF | specifies a limit below or above which the operation ends |
| CXCLN | Complex Hogbom CLEAN |
| CXIMAGR | Grid UV data into a complex image, Fourier transform, Clean |
| DCONV | deconvolves a gaussian from an image |
| DECSHIFT | gives Y-coordinate shift of an image center from reference |
| DELBOX | Verb to delete boxes with TV cursor & graphics display. |
| DFILEBOX | Verb to delete Clean boxes with TV cursor & write to file |
| DO3DIMAG | specifies whether uvw’s are reprojected to each field center |
| DOGRIDCR | selects correction for gridding convolution function |
| DOOSRO | calibrating amplitude and phase, and imaging VLA data |
| DRAWBOX | Verb to draw Clean boxes on the display |
| DTSUM | Task to provide a summary of the contents of a dataset |
| EVAUV | Subtracts & divides a model into UV data, does statistics on results |
| FACES | makes images of catalog sources for initial calibration |
| FACTOR | scales some display or CLEANing process |
| FETCH | Reads an image from an external text file. |
| FFT | Takes Fourier Transform of an image or images |
| FGAUSS | Minimum flux to Clean to by widths of Gaussian models |
| FILEBOX | Verb to reset Clean boxes with TV cursor & write to file |
| FILIT | Interactive BOXFILE editing with facet images |
| FIXBX | converts a BOXFILE to another for input to IMAGR |
| FLATN | Re-grid multiple fields into one image incl sensitivity |
| FLDSIZE | specifies size(s) of images to be processed |
| FLUX | gives a total intensity value for image/component or to limit |
| FOV | Specifies the field of view |
| FSHIFT | specifies a position shift - output from fitting routines |
| FSIZE | file size in Megabytes |
| GAIN | specifies loop gain for deconvolutions |
| GUARD | portion of UV plane to receive no data in gridding |
| HA2TI | Converts data processed by TI2HA (STUFFER) back to real times |
| HISEQ | task to translate image by histogram equalization |
| HLPCLEAN | Cleaning tasks - run-time help |
| HLPSCIMG | Full-featured image plus self-cal loops, editing - run-time help |
| HLPSCMAP | Imaging plus self-cal and editing SCMAP - run-time help |
| HOCLN | Task to do a clean of holography images |
| HOLGR | Read & process holography visibility data to telescope images |
| HOLOG | Read & process holography visibility data to telescope images |
| IM2CC | Task to convert an image to multi-facet Clean Components |
| IM2PARM | Specifes enhancement parameters for OOP-based imaging: 2nd set |
| IM2UV | converts an image to a visibility data set |
| IMAGR | Wide-field and/or wide-frequency Cleaning / imaging task. |
| IMAGRPRM | Specifes enhancement parameters for OOP-based imaging |
| IMERG | merges images of different spatial resolutions |
| IMSIZE | specifies number of pixels on X and Y axis of an image |
| IMTXT | Write an image to an external text file. |
| INLIST | specifies name of input disk file, usually a source list |
| LINIMAGE | Build image cube from multi-IF data set |
| LTESS | makes mosaic images by linear combination |
| MANDL | creates an image of a subset of the Mandlebrot Set |
| MAPPR | Simplified access to IMAGR |
| MASKS | Makes mask image of Clean boxes from boxfile |
| MAXPIXEL | maximum pixels searched for components in Clark CLEAN |
| MOD3D | Computes a 3D CC model from a set of facets |
| MODVF | task to create a warped velocity field |
| MWFLT | applies linear & non-linear filters to images |
| NBOXES | Number of boxes |
| NCCBOX | Number of clean component boxes |
| NCOMP | Number of CLEAN components |
| NDIG | Number of digits to display |
| NFIELD | The number of fields imaged |
| NMAPS | Number of maps (images) in an operation |
| NOIFS | makes all IFs into single spectrum |
| NOISE | estimates the noise in images, noise level cutoff |
| OBITIMAG | Access to OBIT task Imager without self-cal or peeling |
| OBITMAP | Simplified access to OBIT task Imager |
| OBITPEEL | Access to OBIT task Imager with self-cal and peeling |
| OBITSCAL | Access to OBIT task Imager with self-cal, NOT peeling |
| OBITVERS | Python version to use with BDF2AIPS and OBIT imaging verbs |
| OBOXFILE | specifies name of output Clean box text file |
| ONEBEAM | specifies whether one beam is made for all facets or one for each |
| ONEFREQ | states that the current CC model was made with one frequency |
| OOSUB | Subtracts/divides a model from/into a uv data base |
| OUT2CLAS | The class of a secondary output file |
| OUT2DISK | The disk number of a secondary output file. |
| OUT2NAME | The name of a secondary output file. |
| OUT2SEQ | The sequence of a secondary output file. |
| OVERLAP | specifies how overlaps are to be handled |
| OVRSWTCH | specifies when IMAGR switches from OVERLAP ¿= 2 to OVERLAP = 1 mode |
| PADIM | Task to increase image size by padding with some value |
| PASTE | Pastes a selected subimage of one image into another. |
| PATGN | Task to create a user specified test or primary-beam pattern |
| PBCOR | Task to apply or correct an image for a primary beam |
| PBPARM | Primary beam parameters |
| PBSIZE | estimates the primary beam size in interferometer images |
| PGEOM | Task to transform an image into polar coordinates. |
| PHASE | Baseline Phase coherence measurement |
| PHAT | Prussian hat size |
| PIPEAIPS | calibrating amplitude and phase, and imaging VLA data |
| PIX2VAL | An image value in the units specified in the header. |
| PIX2XY | Specifies a pixel in an image |
| PIXAVG | Average image value |
| PIXRANGE | Range of pixel values to display |
| PIXSTD | RMS pixel deviation |
| PIXVAL | Value of a pixel |
| PIXXY | Specifies a pixel location. |
| PRTCC | prints the contents of a Clean Components extension file. |
| PUTVALUE | Verb to store a pixel value at specified position |
| QCREATE | adverb controlling the way large files are created |
| QUANTIZE | Quantization level to use |
| REBOX | Verb to reset boxes with TV cursor & graphics display. |
| REGRD | Regrids an image from one co-ordinate frame to another |
| REMAG | Task to replace magic blanks with a user specified value |
| RMSD | Calculate rms for each pixel using data in a box around the pixel |
| ROBUST | Uniform weighting ”robustness” parameter |
| RSTOR | Restores a Clean component file to a map with a Gaussian beam. |
| SABOX | create box file from source islands in facet images |
| SCIMG | Full-featured imaging plus self-calibration loop with editing |
| SCMAP | Imaging plus self-calibration loop with editing |
| SDCLN | deconvolves image by Clark and then ”SDI” cleaning methods |
| SDGRD | Task to select and image random-position single-dish data |
| SDIMG | Task to select and image random-position single-dish data |
| SETFC | makes a BOXFILE for input to IMAGR |
| SHADW | Generates the ”shadowed” representation of an image |
| SHIFT | specifies a position shift |
| SIZEFILE | return file size plus estimate of IMAGR work file size |
| SKEW | Specifies a skew angle |
| SKYVE | Regrids a DSS image from one co-ordinate frame to another |
| SMODEL | Source model |
| SNCUT | Specifies minimum signal-to-noise ratio |
| SPCOR | Task to correct an image for a primary beam and spectral index |
| SPECR | Spectral regridding task for UV data |
| SPFIX | Makes cube from input to and output from SPIXR spectral index |
| SPIXR | Fits spectral indexes to each row of an image incl curvature |
| STACK | Task to co-add a set of 2-dimensional images with weighting |
| STEER | Task which deconvolves the David Steer way. |
| STESS | Task which finds sensitivity in mosaicing |
| STFACTOR | scales star display or SDI CLEANing process |
| STUFFR | averages together data sets in hour angle |
| SUBIM | Task to select a subimage from up to a 7-dim. image |
| SUMIM | Task to sum overlapping, sequentially-numbered images |
| TDEPEND | Time-dependent imaging procedure sequence |
| TDSCANS | Time-dependent imaging procedure sequence: find intervals |
| TDSSCAN | Time-dependent imaging procedure sequence: find intervals |
| TDSTEP3 | Time-dependent imaging procedure ”step 3” |
| TDSTEP5 | Time-dependent imaging procedure sequence: later steps |
| TKBOX | Procedure to set a Clean box with the TK cursor |
| TKNBOXS | Procedure to set Clean boxes 1 - n with the TK cursor |
| TRANS | Task to transpose a subimage of an up to 7-dim. image |
| TRANSCOD | Specified desired transposition of an image |
| TRC | Specified the top right corner of a subimage |
| TVBOX | Verb to set boxes with TV cursor & graphics display. |
| UBAVG | Baseline dependent time averaging of uv data |
| UTESS | deconvolves images by maximizing emptiness |
| UVBOX | radius of the smoothing box used for uniform weighting |
| UVBXFN | type of function used when counting for uniform weighting |
| UVFRE | Makes one data set have the spectral structure of another |
| UVIMG | Grid UV data into an ”image” |
| UVMAP | makes images from calibrated UV data. |
| UVPOL | modifies UV data to make complex image and beam |
| UVSIZE | specifies number of pixels on X and Y axes of a UV image |
| UVSUB | Subtracts/divides a model from/into a uv data base |
| UVWTFN | Specify weighting function, Uniform or Natural |
| VLARUN | Calibrating amplitude and phase, and imaging VLA data |
| VTESS | Deconvolves sets of images by the Maximum Entropy Method |
| WGAUSS | Widths of Gaussian models (FWHM) |
| WTSUM | Task to do a a sum of images weighted by other images |
| XMOM | Fits one-dimensional moments to each row of an image |
| YPARM | Specifies Y axis convolving function |
| ZEROSP | Specify how to include zero spacing fluxes in FT of UV data |