T Task Index
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t2d -- Fast tape to disk copy
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tabfilter -- Generate time filters based on engineering values
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tabim -- Copy a table column to an image.
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tabkey -- Copy a table element to an image or table header keyword.
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table -- Format a list of words into a table
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tabpar -- Transfer a table element to an IRAF parameter.
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tabplot -- Graph one or more table files
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tacarrousel -- Perform target acquisition carrousel calibration.
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tacount -- Calculate observed count rate for target acquisition.
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tadiodepos -- Find a target acquistion image on the main diode array.
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taextract -- Copy an array entry to a column of scalars in another table.
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taflat -- Calculate target acquisition aperture flat field.
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tail -- Print the last few lines of a file
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tainsert -- Copy a column of scalars to an array entry in another table.
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tamode -- Analyze a target acquisition field map.
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taperedge -- Apply a cosine bell or linear taper to image edges.
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tarestore -- Restore mode I target acquisition images.
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targets -- Find target coordinates based on guide stars.
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tascale -- Scale aperture parameters.
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task -- Define a new task
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tastis -- Analyze STIS target acquisition images.
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tbcalc -- Do arithmetic on a list of apphot/daophot tables databases
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tbconcat -- Concatenate a list of apphot/daophot tables databases
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tbdump -- Print selected columns of a list of tables databases
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tbrenumber -- Renumber a list of apphot/daophot tables databases
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tbselect -- Select records from a list of apphot/daophot tables databases
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tbsort -- Sort a list of apphot/daophot tables databases
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tcalc -- Perform arithmetic operations on table columns.
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tchcol -- Change column name, print format, or units.
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tcheck -- Check STSDAS table element values.
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tchsize -- Change allocated sizes of various sections of a table.
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tchtype -- Change table type (e.g. from column to row ordered).
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tconvert -- Convert table format between Vax and Sun binary format
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tcopy -- Tape to tape copy routine.
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tcreate -- Create a STSDAS table from an ASCII descriptor table.
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tdelete -- Delete tables.
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tdiffer -- Form a table which is the difference of two tables.
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tdump -- Dump the contents of a table to an ASCII file.
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tedit -- Edit a table.
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tee -- Tee the standard output into a file
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telluric -- Remove telluric features from 1D spectra
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temden -- Determine electron temperature or density from diagnostic ratio
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tepoch -- Convert time between different formats in a table.
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testfunc -- Generate analytic form test data (ASCII).
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testimx -- Generate FOC test data images with RSDP-like headers.
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tevalfit -- Evaluate a surface fit on positions in an ASCII file.
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texpand -- Expand tables according to a set of rules.
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text2mask -- Convert text description to pixel mask
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tgausspars -- Pset with parameters for two-dim Gaussian function.
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thermback -- Evaluate thermal background count rate for an observing mode.
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thistogram -- Make a histogram of a column in a table.
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tiimage -- Insert images into rows of a 3-D table.
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time -- Print the current time
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timplot -- strip plot of table format data
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timprint -- display timing table data
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timsort -- create a time-sorted qpoe file for timing analysis
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tinfo -- Display table size information.
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tintegrate -- Numerically integrate one column with respect to another.
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titable -- Insert 2-D tables into rows of a 3-D table.
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tjoin -- Perform a relational join of two tables.
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tlcol -- List column information for a table.
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tlinear -- Use linear regression to fit one or two table columns.
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tmatch -- Find closest match between rows in two tables
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tmerge -- Either merge or append tables.
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tokens -- Break a file up into a stream of tokens
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tomultispec -- Create an OIF MULTISPEC file for data from FITS BINTABLEs.
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topolar -- Convert real & imaginary parts to amplitude & phase.
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touch -- Change file access and modification times
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tprecess -- Precess images, tables, or lists of coordinates.
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tprint -- Print tables--both headers and data.
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tproduct -- Form the Cartesian product of two tables.
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tproject -- Create new table from selected columns in a table.
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tquery -- Create a new table from selected rows and columns in a table.
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tran -- Transform coordinates taking into account distortion
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tranback -- Transform an X,Y position from output to input pixel position using the same conventions as drizzle
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transform -- Resample longslit spectra
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translit -- Replace or delete specified characters in a file
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traxy -- Transform an X,Y position from input to output pixel position using the same conventions as drizzle
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tread -- Browse through a table.
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trebin -- Resample a table to uniform spacing.
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trename -- Rename table files
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treqxy -- Translate RA and Dec to distorted 2-D pixel coordinates.
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trim -- Set all pixels outside the limb to 0.0 (use sqib for limb).
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trxyeq -- Translate distorted 2-D pixel coordinates to RA and Dec.
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tscopy -- Copy row/column subsets of tables using selectors.
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tselect -- Create a new table from selected rows of a table.
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tsort -- Sort a table.
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tstat -- Get mean, standard deviation, min, and max for a column.
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ttranspose -- Transpose or flip a table.
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tupar -- Edit table header keywords.
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tvimcontour -- Load an image & overlay a contour map into the display window
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tvlabel -- Display an image with WCS cursor readback in hh:mm:ss, dd:mm:ss
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tvmark -- Mark objects on the image display
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tvproj -- Display an image with x and y projections
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tweakshifts -- Compute residual shifts between images
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twobbpars -- Pset with parameters for two-black-body function.
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twodpolyfit -- Two dimensional polynomial fit of temperature and epoch.
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twosampt -- Determine if two sets of data are from the same population.
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txcalc -- Do arithmetic on a list of apphot/daophot text databases
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txconcat -- Concatenate a list of apphot/daophot text databases
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txdump -- Print selected columns of a list of apphot/daophot text databases
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tximage -- Extract images from rows of 3-D tables.
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txrenumber -- Renumber a list of apphot/daophot text databases
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txselect -- Select records from a list of apphot/daophot text databases
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txsort -- Sort a list of apphot/daophot text databases
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txtable -- Extract 2-D tables from rows of 3-D tables.
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txtbin -- Convert an IRAF text file to a binary file
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type -- Type a text file on the standard output
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