specred: Generic slit and fiber spectral reduction package
- apall: Extract 1D spectra (all parameters in one task)
- apdefault: Set the default aperture parameters and apidtable
- apedit: Edit apertures interactively
- apfind: Automatically find spectra and define apertures
- apfit: Fit 2D spectra and output the fit, difference, or ratio
- apflatten: Remove overall spectral and profile shapes from flat fields
- apmask: Create and IRAF pixel list mask of the apertures
- apnormalize: Normalize 2D apertures by 1D functions
- aprecenter: Recenter apertures
- apresize: Resize apertures
- apscatter: Fit and subtract scattered light
- apsum: Extract 1D spectra
- aptrace: Trace positions of spectra
- background: Fit and subtract a line or column background
- bplot: Batch plot of spectra with SPLOT
- calibrate: Extinction and flux calibrate spectra
- continuum: Fit the continuum in spectra
- deredden: Apply interstellar extinction correction
- dispcor: Dispersion correct spectra
- dopcor: Doppler correct spectra
- fitprofs: Fit gaussian profiles
- identify: Identify features in spectrum for dispersion solution
- illumination: Determine illumination calibration
- lscombine: Combine longslit spectra
- msresp1d: Create 1D response spectra from flat field and sky spectra
- odcombine: Combine spectra (new version)
- refspectra: Assign wavelength reference spectra to other spectra
- reidentify: Automatically reidentify features in spectra
- response: Determine response calibration
- sapertures: Set or change aperture header information
- sarith: Spectrum arithmetic
- scombine: Combine spectra
- scopy: Select and copy apertures in different spectral formats
- sensfunc: Compute instrumental sensitivity from standard stars
- setairmass: Compute effective airmass and middle UT for an exposure
- setjd: Compute and set Julian dates in images
- sfit: Fit spectra and output fit, ratio, or difference
- sflip: Flip data and/or dispersion coordinates in spectra
- skysub: Sky subtract extracted multispec spectra
- skytweak: Sky subtract 1D spectra after tweaking sky spectra
- slist: List spectrum header parameters
- specplot: Scale, stack, and plot multiple spectra
- specshift: Shift spectral dispersion coordinate systems
- splot: Preliminary spectral plot/analysis
- standard: Tabulate standard star counts and fluxes
- telluric: Remove telluric features from 1D spectra
- transform: Resample longslit spectra
- dofibers: Process fiber spectra
- doslit: Process slit spectra