C

Task Index

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cache -- Cache parameter files, or print the current cache list
calacs -- Process ACS images through all the steps of the ACS Pipeline calibration.
calc_bary -- calculate the barycenter time corrections
calc_factors -- add bright Earth & deep survey factors to BKFAC table
calcband -- Calculate a model passband.
calcomp -- Plot metacode on a Calcomp pen plotter
calcphot -- Calculate photometric quantities for spectra and passbands.
calcspec -- Calculate a model spectrum.
calfoc -- Pipeline calibration code for FOC data.
calfos -- Pipeline calibration for FOS.
calhrs -- Pipeline calibration for HRS.
calhsp -- Perform pipeline calibration correction of HSP data files.
calibrate -- Apply extinction and flux calibrations to spectra
calnica -- Pipeline calibration for single NICMOS images.
calnicb -- Pipeline calibration for NICMOS associations.
calpolar -- Perform polarimetry processing of calibrated data.
calstis -- Process STIS images (imaging and spectrum) through the different steps of the STIS Pipeline calibration.
caltwp2 -- Pipeline calibration of WFPC 2 images
calwfp -- Run the WF/PC calibration code on an input image.
calwp2 -- Routine calibration of HST Wide Field Planetary Camera-II images.
carith -- Multiply or divide complex images.
carrousel -- Calibrate HRS carrousel position.
cat2exp -- create exposure map from constant aspect table
cat_make -- create constant aspect table from QPOE file
catalogs -- Describe the astrometric catalog configuation file
catfits -- Produce a catalog of FITS files on tape or on disk
cathodemap -- Compute the granularity of the HRS photocathode.
catlim -- Specify star catalog limits (pset for 'skymap').
ccdgeometry -- Discussion of CCD coordinate/geometry keywords
ccdgroups -- Group CCD images into image lists
ccdhedit -- Mosaic header editor
ccdinstrument -- Review and edit instrument translation files
ccdlist -- List mosaic processing information
ccdman -- Reduction Manual for CCD Direct Imaging
ccdmask -- Create bad pixel mask from CCD flat field images
ccdproc -- Process mosaic exposures
ccdtime -- CCD photometry exposure time calculator
ccdtypes -- Description of the CCD image types
ccfind -- Find catalog sources in an image
ccget -- Extract objects from a text file catalog
ccmap -- Compute image plate solutions using matched coordinate lists
ccsetwcs -- Create an image celestial wcs from the ccmap plate solution
ccstd -- Transform to and from standard astrometric coordinates
ccsystems -- Describe the supported celestial coordinate systems
cctran -- Transform coordinate lists using the ccmap plate solution
ccxymatch -- Match celestial and pixel coordinate lists
cd -- Change directory
cdq -- Centroid with Data Quality.
cdriz -- Pset for the 'offsets' task.
cellmap -- block a qpoe file at detect cell size resolution
cenpars -- Edit the object centering parameters
censor -- Information about the censoring indicator in survival analysis.
center -- Compute accurate centers for a list of objects
centerflux -- Compute the flux values for the center of a diode array.
centerpars -- Edit the centering algorithm parameters
centroid -- Compute average rectangular coordinates and observation time.
certify -- Check reference file for correctness
cgausspars -- Pset with parameters for constrained Gaussians function.
chcalpar -- Modify calibration keyword values.
chdir -- Change directory
checkfiles -- Make sure all the files are present for GHRS observations
checkwfpc -- Perform consistency checks on a WF/PC reference file.
chgkeywrd -- Change keywords in a header file.
chiplot -- plot a chi-square table (output of period)
chkconfig -- Check the configuration file for grammar and syntax errors
chpixfile -- Change pixel file name in image headers
chpixtype -- Change the pixel type of a list of images
ckwfoc -- FOC calibration parameters (pset).
ckwfos -- FOS calibration parameters (pset).
ckwhrs -- HRS calibration parameters (pset).
ckwhsp -- HSP calibration parameters (pset).
ckwnicmos -- NICMOS calibration parameters (pset).
ckwstis1 -- STIS CCD Imaging calibration parameters (pset).
ckwstis2 -- STIS CCD Spectroscopic calibration parameters (pset).
ckwstis3 -- STIS MAMA Imaging calibration parameters (pset).
ckwstis4 -- STIS MAMA Spectroscopic calibration parameters (pset).
ckwwfp2 -- WFPC-2 calibration parameters (pset).
ckwwfpc -- WFPC calibration parameters (pset).
cl -- Execute commands from the standard input
clbye -- A cl followed by a bye (used to save file descriptors)
clear -- Clear the terminal screen
coadd -- Calculate average measurements in specified phase intervals.
coefs -- Extract mtn reduced ceofficients from henear scans
coincor -- Correct spectra for detector count rates
colbias -- Fit and subtract an average column bias
colnames -- Specify star catalog column names (pset for 'skymap').
colselect -- Select column ranges
columns -- Convert multicolumn file to separate files
combine -- Combine spectra having different wavelength ranges
commands -- A discussion of the syntax of IRAF commands
compairmass -- Compute airmass
comparesets -- Compare spectra at different waveplate positions.
compass -- Draw north and east arrows.
comppars -- Pset with parameters for composite (bb + powerlaw) function.
compspec -- Create a spectrum from an algebraic expression.
concatenate -- Concatenate a list of files
config -- Print description of the configuration file format
console -- Help page for using the SUN console windows
constr_set -- Constrain a parameter for all components in the db
contents -- Contents of the Reduction Manuals
continpars -- Edit continuum subtraction parameters
continuum -- Fit and normalize the continuum of multispec spectra
contour -- Make a contour plot of an image
controlpar -- Set algorithm control parameters (pset).
controlpars -- Pset with algorithm control parameters.
convert -- Convert ASCII data base format to STSDAS table format.
convolve -- Convolve a list of 1 or 2-D images with a rectangular filter
coords -- description of IRAF coordinates used in PROS
copy -- Copy a file or files (use IMCOPY for imagefiles)
copyftt -- Copy a list of FITS tables to a local directory with correct extensions
copymask -- Copy mask from one format into another.
cosmicrays -- Remove cosmic rays using flux ratio algorithm
count -- Count the number of lines, words, characters in a text file
countfiles -- Count how many files are in the input file template.
countrate -- Evaluate the photometric count rate of the HST.
counts_plot -- Plot the observed and/or predicted counts distributions.
countspec -- Calculate FOS countrate spectrum from flux spectrum.
coxhazard -- Compute the correlation probability by Cox's proportional hazard model.
cplucy -- Enhanced two-channel photometric restoration method
craverage -- Detect CRs against average and avoid objects
crcombine -- Combine multiple exposures to eliminate cosmic rays
credit -- Interactively edit cosmic rays using an image display
crfix -- Fix cosmic rays in images using cosmic ray masks
crgrow -- Grow cosmic rays in cosmic ray masks
crmedian -- Detect and replace cosmic rays with median filter
crnebula -- Detect and replace cosmic rays in nebular data
crosscor -- Cross-correlate two images.
crossdriz -- Builds a set of cross-correlation images (shift + rotation).
crrej -- Combine images to make a cosmic ray free image.
crtpict -- Generate greyscale plots of IRAF images
csccd -- Reduction Manual for CSCCD Data
cureval -- Evaluate the fit computed by CURFIT
curfit -- Fit data with Chebyshev, Legendre or spline curve
cursors -- Graphics and image display cursors
cv -- Control image device, display "snapshot"
cvl -- Load image display (newer version of 'display')

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This file last updated on 28 May 2003