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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
bplot - Batch plots of spectra
calibrate - Apply extinction and flux calibrations to spectra
continuum - Fit the continuum in spectra
deredden - Apply interstellar extinction corrections
dispcor - Dispersion correct spectra
dopcor - Doppler correct spectra
ecidentify - Identify features in spectrum for dispersion solution
ecreidentify - Automatically identify features in spectra
refspectra - Assign wavelength reference spectra to other spectra
sapertures - Set or change aperture header information
sarith - Spectrum arithmetic
scombine - Combine spectra
scopy - Select and copy apertures in different spectral formats
sensfunc - Create sensitivity function
setairmass - Compute effective airmass and middle UT for an exposure
setjd - Compute and set Julian dates in images
sflip - Flip data and/or dispersion coordinates in spectra
slist - List spectrum header parameters
specplot - Stack and plot multiple spectra
specshift - Shift spectral dispersion coordinate systems
splot - Preliminary spectral plot/analysis
standard - Identify standard stars to be used in sensitivity calc
doecslit - Process Echelle slit spectra
dofoe - Process Fiber Optic Echelle (FOE) spectra
demos - Demonstrations and tests
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