Almost all parts of AIPS are general enough to handle mutiple

dimensions of data including multiple frequency channels in the

uv domain and 3 or more dimensional "cubes" in the image domain.

dimensions of data including multiple frequency channels in the

uv domain and 3 or more dimensional "cubes" in the image domain.

ACFIT | Determine antenna gains from autocorrelations |

AGAUS | Fits 1-dimensional Gaussians to absorption-line spectra |

ALTDEF | Sets frequency vs velocity relationship into image header |

ALTSWTCH | Switches between frequency and velocity in image header |

AVSPC | Averages uv-data in the frequency domain |

BASRM | Task to remove a spectral baseline from total power spectra |

BCHAN | sets the beginning channel number |

BDAPL | Applies a BD table to another data set |

BLOAT | converts line data to greater number channels |

BLPLT | Plots BLCAL tables in 2 dimensions as function of baseline and IF |

BLSUM | sums images over irregular sub-images, displays spectra |

BPASS | computes spectral bandpass correction table |

BPASSPRM | Control adverb array for bandpass calibration |

BPEPL | Plots bandpass tables overlaying multiple times like BPEDT |

BPERR | Print and plot BPASS closure outputs |

BPLOT | Plots bandpass tables in 2 dimensions as function of time |

BPSMO | Smooths or interpolates bandpass tables to regular times |

BPVER | specifies the version of the bandpass table to be applied |

CHANNEL | sets the spectral channel number |

CHANSEL | Array of start, stop, increment channel numbers to average |

CHINC | the increment between selected channels |

CPASS | computes polynomial spectral bandpass correction table |

CUBIT | Model a galaxy’s density and velocity distribution from full cube |

CVEL | shifts spectral-line UV data to a given velocity |

DCHANSEL | Array of start, stop, increment channel #S + IF to avoid |

DOAPPLY | Flag to indicate whether an operation is applied to the data |

ECHAN | define an end for a range of channel numbers |

FIXAL | least squares fit aliasing function and remove |

FLGIT | flags data based on the rms of the spectrum |

FQUBE | collects n-dimensional images into n+1-dimensional FREQID image |

FRMAP | Task to build a map using fringe rate spectra |

FRPLT | Task to plot fringe rate spectra |

FTARS | Fits 1-dimensional polarization spectrum to Q/U text file |

FTFLG | interactive flagging of UV data in channel-time using the TV |

FXALIAS | least squares fit aliasing function and remove |

HLPFTFLG | Interactive time-channel visibility Editor - run-time help |

HLPPCFLG | Interactive time-channel PC table Editor PCFLG - run-time help |

HLPSPFLG | Interactive time-channel visibility Editor SPFLG - run-time help |

HLPTVHUI | Interactive intensity-hue-saturation display - run-time help |

HLPTVRGB | Interactive red-green-blue display - run-time help |

HLPZAMAN | Fits 1-dimensional Zeeman model to absorption data - run-time help |

HLPZEMAN | Fits 1-dimensional Zeeman model to data - run-time help |

ICHANSEL | Array of start, stop, increment channel #S + IF to average |

IMLIN | Fits and removes continuum emission from cube |

IRING | integrates intensity / flux in rings / ellipses |

ISPEC | Plots and prints spectrum of region of a cube |

MCUBE | collects n-dimensional images into n+1-dimensional image |

MODAB | Makes simple absorption/emission spectral-line image in I/V |

MORIF | Combines IFs or breaks spectral windows into multiple windows (IFs) |

NCHAV | Number of channels averaged in an operation |

ORDER | Adverb used usually to specify the order of polynomial fit |

PCASS | Finds amplitude bandpass shape from pulse-cal table data |

PCFIT | Finds delays and phases using a pulse-cal (PC) table |

PCPLT | Plots pulse-cal tables in 2 dimensions as function of time |

PCVEL | shifts spectral-line UV data to a given velocity: planet version |

PDVER | specifies the version of the spetral polarization table to use |

PLCUB | Task to plot intensity vs x panels on grid of y,z pixels |

PLRFI | Plots spectral statistics from output of VBRFI & VLBRF |

POLANGLE | Intrinsic polarization angles for up to 30 sources |

POSSM | Task to plot total and cross-power spectra. |

PRRFI | Prints excess spectral statistics from output of VBRFI & VLBRF |

QUFIX | determines Right minus Left phase difference, corrects cal files |

REFREQ | Specifies the frequency to be uased as the reference |

REIFS | Breaks spectral windows into multiple spectral windows (IFs) |

RM2PL | Plots spectrum of a pixel with RMFIT fit |

RMFIT | Fits 1-dimensional polarization spectrum to Q/U cube |

RSPEC | Plots and prints spectrum of rms of a cube |

SDLSF | least squares fit to channels and subtracts from SD uv data |

SDVEL | shifts spectral-line single-dish data to a given velocity |

SERCH | Finds line signals in transposed data cube |

SMOTH | Task to smooth a subimage from upto a 7-dim. image |

SPECFLUX | Specifies the flux at the reference frequency |

SPECINDX | Spectral index used to correct calibrations |

SPECPARM | Spectral index per polarization per source |

SPECR | Spectral regridding task for UV data |

SPECTRAL | Flag to indicate whether an operation is spectral or continuum |

SPECURVE | Spectral index survature used to correct calibrations |

SPFLG | interactive flagging of UV data in channel-TB using the TV |

SPMOD | Modify UV database by adding a model with spectral lines |

SPRMS | Plots spectral statistics of a selected subset of a uv data set |

SQASH | Task to collapse several planes in a cube into one plane or row |

SYSVEL | Systemic velocity |

UJOIN | modifies UV data converting IFs to spectral channels |

UV2TB | Converts UV autocorrelation spectra to tables |

UVBAS | averages several channels and subtracts from uv data. |

UVDEC | Decrements the number of spectral channels, keeping every nth |

UVFRE | Makes one data set have the spectral structure of another |

UVGLU | Glues UV data frequency blocks back together |

UVLIN | Fits and removes continuum visibility spectrum, also can flag |

UVLSD | least squares fit to channels and divides the uv data. |

UVLSF | least squares fit to channels and subtracts from uv data. |

UVMLN | edits data based on the rms of the spectrum |

UVMOD | Modify UV database by adding a model incl spectral index |

VBGLU | Glues together data from multiple passes thru the VLBA corr. |

VBRFI | Plots spectral statistics of VLBA autocorrelation data for RFI |

VLBABPSS | computes spectral bandpass correction table |

VLBRF | Plots spectral statistics of VLBA autocorrelation data for RFI |

VTEST | Measures velocity discrepancy across fields |

WTSUM | Task to do a a sum of images weighted by other images |

XBASL | Fits and subtracts nth-order baselines from cube (x axis) |

XG2PL | Plots spectrum of a pixel with XGAUS/AGAUS and ZEMAN/ZAMAN fits |

XGAUS | Fits 1-dimensional Gaussians to images: restartable |

XPLOT | Plots image rows one at a time on the graphics or TV screen |

ZAMAN | Fits 1-dimensional Zeeman model to absorption-line data |

ZEMAN | Fits 1-dimensional Zeeman model to data |