D Task Index
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daoedit -- Review/edit algorithm parameters interactively
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daofind -- Find stars in an image using the dao algorithm
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daopars -- Edit the daophot algorithms parameter set
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daotest -- Run basic tests on the daophot package tasks
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darkcombine -- Combine and process mosaic dark count exposures
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darkstat -- Compute statistics on dark count calibration spectra.
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darksub -- Scale and subtract a dark count image
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darksum -- Produce a report on dark count calibration spectra.
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darkv -- Calculate dark signals of individual observations.
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darkx -- Create a FOC dark count image.
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datapars -- Edit the data dependent parameters
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datarep -- convert binary number representations to host computer format
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daydark -- Update current dark image with hot pixels from a daily dark.
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dbcheck -- Check format of specfit database files
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dbcreate -- Task for interactively creating specfit database files
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ddiff -- Print differences between two directory trees.
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deaccum -- Unstack ACCUM mode data into separate readouts.
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deadtimev -- Calibrate the deadtime (digital linearity).
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deadtimey -- Compute FOS paired-pulse coefficients.
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deadtimez -- Compute HRS paired pulse coefficients.
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deallocate -- Deallocate a previously allocated device
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dec2base -- Convert a base 10 (decimal) number to another base.
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declarations -- Parameter/variable declarations default * The default clause of a switch else * Else clause of IF statement for * C-style for loop construct if * If statement goto * Goto statement
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defpac -- Test if a package is defined
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defpar -- Test if a parameter is defined
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defringe -- Correct a G750L or G750M spectrum for fringing.
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deftask -- Test if a task is defined
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delaytime -- Calculate light time difference from observer to solar system barycenter.
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delete -- Delete a file or files (use IMDELETE to delete imagefiles)
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dematch -- Match a list of density values to exposure values
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demo -- Run a demonstration of the CCD reduction package
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demos -- Demonstrations and tests
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deredden -- Apply interstellar extinction corrections
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deriv -- Take the absolute derivative of an image.
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describe -- Display a description of the named task(s) or package(s).
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destreak -- Destreak He 10830 grams.
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destreak5 -- First pass processing CL script for 10830 grams.
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detab -- Replace tabs with tabs and blanks
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detmkreg -- make a region file in logical coords from detect tables
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devices -- Print information on the locally available devices
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devstatus -- Print the status of a device (mta, mtb, ...)
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dezoomx -- Dezoom an image, doubling line length in one dimension.
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dhead -- Delete specified keywords from FITS or IRAF image file headers
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diagcols -- Pset for zone temperature & density column names
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dicoplot -- Make dicomed plots of carrington maps.
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diodemap -- Compute the diode response non-uniformities.
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directory -- List the files in a directory
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disconlab -- Display image and overlay contours and coordinates.
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diskspace -- Show how much diskspace is available
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dispcor -- Dispersion correct spectra
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dispfity -- Compute FOS wavelength dispersion coefficients.
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display -- Load an image or image section into the display
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disptrans -- Transform dispersion units and apply air correction
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do3fiber -- Process KPNO coude three fiber spectra
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doargus -- Process ARGUS spectra
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doecslit -- Process Echelle slit spectra
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dofibers -- Process fiber spectra
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dofitplot -- Do fit and then counts_plot
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dofoe -- Process Fiber Optic Echelle (FOE) spectra
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dohydra -- Process HYDRA spectra
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dopcor -- Doppler correct spectra
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dopoff -- Calculate on-board Doppler compensation for specalign.
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doppinfo -- Print information about the Doppler shift during an exposure.
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doslit -- Process slit spectra
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dparam -- Dump a pset as a series of task.param=value assignments
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dq -- Pset for the 'sky' task.
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dqenormx -- Normalize a detective efficiency file to unity.
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dqfpar -- Select DQF error flags (pset).
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dqpar -- Select DQF error flags (pset).
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driz_cr -- Create cosmic ray mask based for dithered data.
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drizzle -- Perform linear image reconstruction using "drizzling".
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drz2pet -- Create PET from a list of deep 2D grism images
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drzprep -- Generate DPP files from PET's
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dsimg -- Save the image display buffer to an image.
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dunlearn -- Resets all task parameters to default values.
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dvpar -- Specify device parameters (pset).
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dwcs -- Delete the WCS keywords from an image *
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