New Tasks for STSDAS 1.3

STSDAS

        apropos - List all the tasks related with a given subject 
        describe - Display a description of the named task(s) or package(s). 
        examples - Print online examples of how to use the named task(s).  

STSDAS.ANALYSIS.FOURIER

        topolar - Convert real & imaginary parts to amplitude & phase. 
        fconvolve - Convolve two images. 
        taperedge - Apply a cosine bell or linear taper to image edges. 

STSDAS.ANALYSIS.GASP

        pxcoord - List pixel coordinates of guide stars. 
        sgscind - Search the guide star catalog index. 

STSDAS.ANALYSIS.RESTORE

        mem - Deconvolve an image by the Maximum Entrophy Method (MEM). 
        lucy - Deconvolve an image using Leon Lucy's algorithm. 
        sclean - Sigma-CLEAN deconvolution of 2-d images. 
        hfilter - Adaptive low-pass filter based on H-transform. 
        modelpars - Pset for setting model parameters used in the wiener task. 


STSDAS.ANALYSIS.STATISTICS

        spearman - Compute the generalized Spearman's rho correlation coefficient 

STSDAS.CONTRIB

        acoadd - Image coaddition using Lucy Method with optional acceleration. 
        specfit - Nonlinear fitting for 1-D images and spectra using simplex 

STSDAS.GRAPHICS.SDISPLAY

        dsimg - Save the image display buffer to an image. 
        im2gki - Send an image to a IRAF GIO graphics device. 
        scmapc - Reformat SAOimage colormap for Celco. 
        compass - Draw north and east arrows. 
        pltcmap - Plot a color map image. 
        rashead - Show rasterfile header information. 
        saodump - Make image and colormap files from SAOimage display. 

STSDAS.GRAPHICS.STPLOT

        catlim - Specify star catalog limits (pset for 'skymap'). 
        axispar - Specify axis and scaling parameters (pset for 'sgraph') 
        psikern - IRAF GIO Kernel to produce PostScript output. 
        histogram - Plot or list the histogram of a table column, image, or list. 

STSDAS.HST_CALIB.CTOOLS

        north - Print the position angles of images. 
        rdssa - Convert the PDB SVDF.DAT file into an SDAS table. 
        getcal - Populate a pset with calibration parameter values. 
        putcal - Place parameter values from a calibration pset into data files 
        chcalpar - Modify calibration keyword values. 
        groupmod - Add/delete group parameters from multigroup data. 
        hstephem - Convert ST orbit ephemeris file to an STSDAS table. 
        mkweight - Make a simple weighting file for use in task specalign. 
        pprofile - Plot or pint radial profile or encircled energy. 
        rcombine - Average or sum rapid-readout data with propagation of errors. 
        specalign - Combine spectra such as FP-SPLIT Observations.  
        mkmultispec - Combine wavelength and data with the MULTISPEC MWCS. 

STSDAS.HST_CALIB.FOC.FOCCS

        encounts - Compute encircled energy (counts) for star images. 

STSDAS.HST_CALIB.FOC.FOCGEOM

        evalxy - Evaluate the fit computed by 'fitxy'. 
        evalxy - Evaluate the fit computed by 'fitxy'. 
        fitxy - Compute four-parameter linear fit to X,Y vs V2,V3. 
        rsubset - Extract or print a subset of a reseau grid. 


STSDAS.HST_CALIB.FOC.FOCPHOT

        pprofile - Plot or print radial profile or encircled energy. 
        fflincorr - Correct an FOC image for flat-field saturation. 

STSDAS.HST_CALIB.FOC.FOCPRISM

        makephot - Create a photometric calibration file for a prism observation. 
        objcalib - Photometrically calibrate an FOC objective prism image. 
        objrebin - Rebin an FOC objective prism image. 
        simprism - Create a 1- or 2-d simulated objective prism spectrum. 
        specextract - Extract a 1-D spectrum from an FOC objective prism image. 

STSDAS.HST_CALIB.FOS
        gimpcor - Show magnitude of the calfos gimp correction. 

STSDAS.HST_CALIB.FOS.SPEC_POLAR

        polave - Average Stokes parameters for multiple datasets. 
        polbin - Rebin polarization spectra. 
        polnorm - Normalize Stokes Q, U, and V by Stokes I. 
        polplot - Stacked plot of Stokes I and polarization spectra. 
        calpolar - Perform polarimetry processing of calibrated data. 
        pcombine - Combine calibrated polarimetry datasets. 

STSDAS.HST_CALIB.FOS.Y_CALIB

        absfity - Smooth an FOS sensitivity curve. 

STSDAS.HST_CALIB.HRS

        dopoff - Calculate on-board Doppler compensation for specalign. 
        obsum - Produce brief, time-ordered summary of groups in data. 
        tacount - Calculate observed count rate for target acquisition. 

STSDAS.HST_CALIB.HRS.Z_CALIB

        darkstat - Compute statistics on dark count calibration spectra. 
        darksum - Produce a report on dark count calibration spectra. 
        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. 
        pha_text - Print text summary of PHA results. 

STSDAS.HST_CALIB.SYNPHOT

        imspec - Convert an image to a synphot spectrum or vice versa. 
        countrate - Evaluate the photometric count rate of the HST. 

STSDAS.HST_CALIB.WFPC


        seam - Smooth the boundaries between mosaicked WFPC frames. 
        metric - Translate WFPC pixel coordinates to RA & Dec with geometric  
        wfixup - Interpolate over bad columns in a WFPC frame. 
        qwmosaic - Quick mosaic of the four WFPC frames into one image. 

STSDAS.HST_CALIB.W_CALIB

        mka2d - Create or modify an A-to-D correction reference file for WFPC. 
        psfextr - Extract a subsection of an image to be put in the PSF library. 
        flagflat - Flag WFPC flat field pixels which are abnormally high or low 
        mkphottb - Create a synthetic photometry lookup table for WFPC. 
        normclip - Normalize WFPC flat fields among chips.  
        streakflat - Generate WFPC flat field from streak exposures of the Earth. 


STSDAS.PLAYPEN

        edge - 2-D image edge massaging. 
        fill - Baade-Lucy background "filling" algorithm. 
        jimage - Create a jitter image from U2,U3 coordinates in a table. 
        lgrlist - Expand a list of images and group numbers 
        hsubtract - Baade-Lucy background subtraction algorithm. 

STSDAS.PLAYPEN.REGISTRATION

        imagfe - Register using common features of image data. 
        vecfea - Register using common features of vector data. 
        rheaders - Register using FITS coordinate parameters. 
        reflresamp - Resample or reflect an image or vector using  

STSDAS.TOOLBOX.HEADERS


        iminfo - Print an instrument-specific header for a list of GEIS images 
        groupmod - Add/delete group parameters from multigroup data. 

STSDAS.TOOLBOX.IMGTOOLS


        gcopy - Generic multi-group copy utility. 
        gstatistics - Compute and print image pixel statistics for all groups. 
        mkgauss - Generate a 2-D image having an object of Gaussian type. 
        pixedit - Screen editor for image pixels 


STSDAS.TOOLBOX.TOOLS

        fparse - Parse file specifications and leave results in parameters. 
        mkapropos - Make the apropos database.