RVSAO
         An IRAF package to compute radial velocities

                             by
     Doug Mink, Bill Wyatt, Guillermo Torres, Mike Kurtz
        Harvard-Smithsonian Center for Astrophysics

                        Gerry Kriss
Center for Astrophysical Sciences, Johns Hopkins University

                         John Tonry
           Massachusetts Institute of Technology

                         John Morse
                University of North Carolina

                       Stephen Levine
                  University of Wisconsin

     Here is a list of all of the SPP and Fortran routines used by
the RVSAO package, an evolved version of Gerry Kriss's REDSHIFT package,
merged with peak fitting routines developed at the Center for Astrophysics.

In directory Xcor:
aspart.x      compute antisymmetric noise (called by xcorfit)
buffers.x     various buffer routines (called by xcorfit)
correlate.x   various correlation routines (called by xcorfit)
earlin.x      polynomial fitting (called by pkfitp, pkfitq)
pkfitc.x      fit cos(x)/(1+x^2) to cross-correlation (called by xcorfit)
pkfitp.x      fit parabola to cross-correlation (called by xcorfit)
pkfitq.x      fit quartic to cross-correlation (called by xcorfit)
pknum.x       count peaks in cross-correlation (called by xcorfit)
pkwidth.x     find max and width of cross-correlation (called by xcorfit,pkfit)
plotsubs.x    summary page subwindow plotting (called by xcplot)
rebinr.x      rebin spectrum and template (called by t_xcsao)
t_xcsao.x     main program for cross-correlation redshifts
xcarch.x      write SAO TDC archive records (called by t_xcsao)
xcmin.x       fit function to data (called by pkfitc)
xcorfit.x     compute cross-correlation and fit peak (called by t_xcsao)
xcplot.x      Plot summary page, handle cursor interaction (called by t_xcsao)
xcrslts.x     summarize results to log file (called by t_xcsao)

In directory Emvel:
emarch.x	Write SAO TDC archive emission line record to a file
emeplot.x	Plot spectrum and mark emission and absorption lines
emfind.x	Find all lines within section of spectrum which meet criteria
emfit.x		Compute radial velocity from emission line shift
emgauss.x	Gaussian EMMIN calling program and computation subroutines
emguess.x	Make initial velocity guess by examining spectrum
eminit.x	Read emission and absorption line information from files
emlfit.x	Fit gaussians to all lines found
emmin.x		Fitting subroutine
emplot.x	Cursor handling subroutine
emrslts.x	Display results of emission line fits to display and/or file
emsrch.x	Find emission lines in spectrum
emvfit.x	Combine information from multiple emission lines for velocity
t_emsao.x	Main emission line program EMSAO

In directory Util:
apodize.x	Apodize spectrum
bcv.f		Compute barycentric velocity correction for spectrum
chopper.c	Emission line chopper (SAO)
compbcv.x	Interface to barycentric correction subroutine
contpars.x	Subroutines to deal with ICFIT continuum removal
emchop.x	Interface to SAO emission line chopper
evalpoly.c	Polynomial evaluator used by chopper.c
fourm.x		Fourier transform based on Press, et al.
getimage.x	Read a spectrum from an IRAF file
getsky.x	Read a sky spectrum from an IRAF file
getspec.x	Read an object specrum from an IRAF file
gettemp.x	Read a template spectrum from an IRAF file
gettemps.x	Read a list of templates from IRAF files
hershey.f	Draw characters using hershey font set
icsubcon.x	Remove continuum and emission lines using ICFIT routines
imgpar.x	Get parameters from an IRAF image header
invert.x	Invert a matrix
legendre.x	Fit and compute Legendre polynomials
matinv.x	Invert a matrix
plotspec.x	Plot a spectrum, includes cursor interaction
polfit.x	Fit a polynomial to a vector
polyfunc.c	Evaluate a polynomial
ranges.x	Decode ranges of numbers from a string
replot.x	Plot a vector (called by plotspec)
smooth.x	1-2-1-smooth a vector
subcon.x	Remove a polynomial continuum from a spectrum
vcombine.x	Combine emission line and cross-correlation velocities