F Task Index
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factor -- Display prime factors of a number.
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faradius -- Compute average radius of autocorrelation of star images.
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fblot -- Blot out focus images of a star.
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fceval -- Evaluate coordinates using the FITSCOORDS solutions
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fconvolve -- Convolve two images.
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fextract -- Extract regions around stars in a focus image.
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fflincorr -- Correct an FOC image for flat-field saturation.
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fft -- compute fast fourier transform on table or qpoe data
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fftplot -- plot a fft table (output of fft)
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fgauss -- Fit a Gaussian to output from 'fsquares' to find focus.
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fgread -- Read a MEF file with FOREIGN extensions
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fgwrite -- Create a MEF file with FOREIGN extensions
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fhyper -- Fit a hyperbola to output from 'faradius' or 'fradius' to find focus.
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fieldplot -- Graph vector field.
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fields -- Extract specified fields from a list
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file_compare -- comparison of new/RDF formats to OLD formats in PROS
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files -- Expand a file template into a list of files
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fill -- Baade-Lucy background "filling" algorithm.
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filter -- description of filtering options in PROS
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filterpars -- Pset for setting filter parameters used in the wiener task.
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filterphot -- Transform flux measurement to standard photometric system.
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filtpars -- Edit the filter function parameters
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findgain -- Estimate the gain and readnoise of a CCD
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findpars -- Edit the star detection parameters
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findthresh -- Estimate a CCD's sky noise from the gain and readnoise
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fit -- Find best-fit model values using a simplex minimization.
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fit1d -- Fit a function to image lines or columns
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fitband -- Fit a passband model to data using Amoeba simplex method.
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fitcoords -- Fit user coordinates to image coordinates
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fitgrid -- Fit a spectrum model to a grid of spectral data.
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fitoffsety -- Correct dispersion coeff. for wavelength offsets.
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fitparams -- Compute the parameters of the transformation equations
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fitprofs -- Fit gaussian profiles
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fitpsf -- Model the stellar psf with an analytic function
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fits2qp -- convert from FITS TABLE format to PROS QPOE format
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fits_exampl -- Detailed examples of `fitsio' tasks
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fitscopy -- Copy FITS files: disk <--> tape and disk <--> disk
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fitsky -- Compute sky values in a list of annular or circular regions
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fitskypars -- Edit the sky fitting parameters
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fitslogr -- Make a log of certain header parameters from a FITS tape.
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fitspec -- Fit a spectrum model to data using Amoeba simplex method.
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fitxy -- Compute four-parameter linear fit to X,Y vs V2,V3.
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fixdiodes -- Fix spectra affected by dead or noisy diodes.
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fixnoisex -- Create a fixed-pattern noise image.
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fixpix -- Fix pixels defined by a pixel mask
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fixsaoreg -- Convert an SAOIMAGE region file to PROS physical coords
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flagflat -- Flag WF/PC flat field pixels which are abnormally high or low
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flall -- Do all steps to make a flat field (UNI file).
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flat1d -- Make flat field by fitting a 1D func. to the lines or columns
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flatcombine -- Combine and process mosaic flat field exposures
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flatdiv -- Divide spectra by flat field
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flatfield -- Compute flat field response.
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flatfields -- Discussion of CCD flat field calibrations
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flatfit -- Sum and normalize flat field spectra
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flatten -- Flatten images using a flat field
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flborder -- Replace border by extrapolating from nearest pixel.
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flcorner -- Replace corner of f/48 internal flat with external flat.
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fldplot -- plot a fld table (output of fold)
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flex -- Calibrate HSP optical bench flexure as functions of temperatures.
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flmakev -- Make a mask table from a mask image for use by 'flvmask'.
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flnorm -- Normalize a flat field by dividing by average of middle region.
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flprcache -- Flush the process cache fprint * Print a line into a parameter fscan * Scan a list fscanf * Formatted read from a file, or another parameter
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fluxcalib -- Apply flux calibration to images (obsolete)
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fluxcols -- Pset for line flux column names
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flvmask -- Apply a mask table to interpolate along vertical lines.
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fmedian -- Quantize and box median filter a list of 1D or 2D images
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fmode -- Quantize and box modal filter a list of 1D or 2D images
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focusv -- Determine electronic focus calibration.
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focusz -- Estimate HRS detector focus.
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fold -- fold time data on a period and compute statistics
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formatdepx -- Create a format-dependent nonuniformity image.
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forward -- Compute forward Fourier transform of an image.
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foswcorr -- Correct calibrated wavelengths (BLUE) for systematic shifts.
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fparse -- Parse file specifications and leave results in parameters.
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fradius -- Compute average radius of star images.
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frame -- Select the frame to be displayed
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frmedian -- Quantize and ring median filter a list of 1D or 2D images
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frmode -- Quantize and ring modal filter a list of 1D or 2D images
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frompolar -- Convert amplitude & phase to real & imaginary parts.
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fsquares -- Compute sum-of-squares sharpness criterion.
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ftplot -- View 4-way data and FTs.
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ftpplot -- plot a ftp table (output of fft)
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function -- Generate functions as images, tables or lists.
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fweight -- Compute weights using smoothed flux data, for use with splice.
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fwplot -- Plot calibrated flux versus wavelength.
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fxcopy -- Copy FITS files or FITS extension to an output FITS file
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fxcor -- Radial velocities via Fourier cross correlation
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fxdelete -- Delete FITS extensions in place fxextract- Extract a FITS extension
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fxdummyh -- Create a dataless single FITS file
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fxheader -- List one line of header description per FITS unit
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fxinsert -- Insert FITS files or extensions into another MEF file
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fxplf -- Converts a pixel list file into a BINTABLE extension
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fxsplit -- Split a multiple extension FITS file into single FITS files
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