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apall - Extract 1D spectra (all parameters in one task)
apdefault - Set the default aperture parameters and apidtable
apdemos - Various tutorial demonstrations
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
apnoise - Compute and examine noise characteristics of spectra
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
ADDITIONAL HELP TOPICS
apbackground - Background subtraction algorithms
approfiles - Profile determination algorithms
apvariance - Extractions, variance weighting, cleaning, and noise model
extras - Information about the extra information in 3D images
package - Package parameters and general description of package
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