- p2geo -- Evaluate polynomial fit file and make a GEO image for 'newgeom'.
- package -- Define a new package, or print the current package names
- page -- Page through a file
- pairmass -- Plot airmass vs time for a given coordinate
- parameters -- Discussion of parameter attributes procedure * Start a procedure script return * Return from script with an optional value switch * Multiway branch construct while * While loop
- parkey -- Put an IRAF parameter into an image or table header keyword.
- partab -- Transfer an IRAF parameter to a table element.
- parthitv -- Remove particle event.
- parthity -- Find particle hits and compute dark rate.
- parthitz -- Locate particle events and compute dark rate.
- pathnames -- Expand a file template into a list of OS pathnames
- pcalc -- Do arithmetic operations on a list of apphot databases
- pcintro -- Print a short introduction to the photcal package
- pcol -- Plot a column of an image
- pcols -- Plot the average of a range of image columns
- pcombine -- Combine flux calibrated datasets.
- pconcat -- Concatenate a list of daophot databases
- pconvert -- Convert a text database to a tables database
- pdm -- Find periods in light curves by Phase Dispersion Minimization
- pdump -- Print selected fields from a list of apphot databases
- peak -- Fit the psf to single stars
- pedsky -- Subtract pedestal and sky from NICMOS images.
- pedsub -- Subtract pedestal from NICMOS images.
- period -- determine the period using epoch folding
- pet2spc -- Create 1D spectra from a PET
- petcont -- Compute contamination in a PET
- petff -- Flatfield a PET
- pexamine -- Interactively examine and edit an apphot database
- pfmerge -- Merge a list of photometry databases
- pha_all -- Plot PHA results for all diodes.
- pha_center -- Plot histogram of PHA results for all diodes.
- pha_diode -- Plot detailed summary of PHA results for specific diodes.
- pha_rms -- Plot histogram of PHA errors for all diodes.
- pha_sig2rms -- Plot histogram of PHA signal-to-noise ratio for all diodes.
- pha_summary -- Produce report on results of PHA observations.
- phav -- Calibrate discriminator threshold setting.
- phay -- Pulse height analysis.
- phaz -- Perform a Pulse Height Distribution analysis (PHA).
- phelp -- Paged HELP: collects and pages the output of HELP
- phistogram -- Plot or print the histogram of an image or list
- phot -- Measure magnitudes for a list of stars
- photpars -- Edit the photometry parameters
- pickfile -- Get the file name picked from the input file template.
- pimtext -- Put text directly into images using a pixel font.
- pixcoord -- Compute pixel coordinates of stars in an image.
- pixedit -- Screen editor for image pixels
- pixlocate -- Print positions of all points inside (or outside) a specified range.
- pkgpars -- spectral package parameter pset
- plband -- Plot a set of passbands.
- plbias -- Correct linear polarization for bias in Q and U
- plcreate -- create a pixel list from a region
- pllist -- display a pixel list
- plratio -- Plot the ratio of observed to synthetic spectral or photometric data.
- plspec -- Plot spectral and photometric data.
- pltcmap -- Plot a color map image.
- pltpar -- Specify graph parameters (pset for 'sgraph').
- pltrans -- Plot photometric transformation diagrams (e.g., color-color or color-magnitude).
- pltsol -- Calculate plate solution from table of positions.
- plucy -- Multiple channel photometric image restoration.
- poffsets -- Find pixel offsets using cross-correlation.
- polarimetry -- Reduce HSP polarimetric data.
- polave -- Average Stokes spectra from multiple datasets.
- polbin -- Rebin Stokes and polarization spectra.
- polcalc -- Calculate polarization from Stokes IQUV spectra.
- poleffv -- Calculate polarization efficiency.
- polnorm -- Normalize Stokes QUV spectra by Stokes I.
- polpav -- Calibrate position angle offset.
- polplot -- Stacked plot of flux and polarization spectra.
- polverify -- Verify polarimetry calibrations.
- polyepoch -- Fit polynomials to coefficients as functions of the epoch.
- polyeval -- Evaluate calibration corrections.
- polyfit -- Fit polynomial to list of X,Y data
- polymark -- Create polygon lists for polyphot
- polypars -- Edit the polyphot parameters
- polyphot -- Measure magnitudes inside a list of polygonal regions
- posvel -- Calculate position and velocity vector of the spacecraft.
- powercor -- Apply power law correction to mountain reduced spectra
- powerpars -- Pset with parameters for powerlaw function.
- powerspec -- Compute the power spectrum of an image.
- pp_dads -- Paper products generation
- pprofile -- Plot or print radial profile or encircled energy.
- pradprof -- Plot or list the radial profile of a stellar object
- prcache -- Show process cache, or lock a process into the cache
- precess -- Precess a list of astronomical coordinates
- precor -- Cosmic-ray processing.
- prenumber -- Renumber stars in an apphot database
- prepspec -- Prepare a spectrum for subsequent de-fringing procedures.
- prf -- Point Response Function (or psf) information
- prfit -- Print contents of fit tables created by fitting task.
- print -- Print a line on the standard output
- printf -- Formatted print to the standard output
- problems -- Submit an STSDAS software problem report to STScI.
- process -- A task generated by BATCHRED
- pros -- overview of all IRAF/PROS tasks
- protect -- Protect a file from deletion
- prow -- Plot a line (row) of an image
- prows -- Plot the average of a range of image lines
- pselect -- Select records from an apphot database
- pseudocolor -- Select pseudocolor enhancement
- psf -- Compute the point spread function
- psfextr -- Extract a subsection of an image to be put in the PSF library.
- psfmatch -- Match the point-spread functions of 1-D or 2-D images
- psfmeasure -- Measure PSF sizes from stellar images
- psfpars -- Pset for setting psf parameters used in the wiener task.
- psikern -- IRAF GIO Kernel to produce PostScript output.
- psort -- Sort an apphot database
- pspc_fitting -- for more information on ROSAT/PSPC spectral fitting
- pspc_hrcolor -- compute an image which reflects the xray color of a PSPC observation
- pstack -- Plot a stack of pixel values from a MultiAccum image.
- pstats -- Plot a stack of MultiAccum image statistics.
- pstselect -- Select candidate psf stars based on proximity
- pttest -- Run basic tests on the ptoolsx package tasks
- putcal -- Place parameter values from a calibration pset into data files
- putlog -- Put a message to the logfile
- putsqib -- Merge a squibby brightness image into a full disk image.
- pvector -- Plot an arbitrary vector in a 2D image
- pweight -- Compute weights using phottab, for use with splice.
- pxcoord -- List pixel coordinates of guide stars.
- pydrizzle -- Automated Python-based interface for the "drizzle" task