RVSAO spectrum cross-correlation subroutines aspart.x Compute asymmetric noise component buffers.x Various vector manipulation subroutines correlate.x Various subroutines to perform correlations and filter them earlin.x Polynomial fitting subroutine pkfitc.x Fit cos(x)/(1+x^2) to correlation peak pkfitp.x Fit parabola to correlation peak pkfitq.x Fit quartic to correlation peak pknum.x Count peaks in correlation pkwidth.x Find approximate width of correlation peak plotsubs.x Subroutines to plot the summary page t_xcsao.x Main cross-correlation program XCSAO xcarch.x Write SAO TDC archive correlation record to a file xcfile.x Save the cross-correlation function to a file xcmin.x Fitting routines for pkfitc xcorfit.x Cross-correlation subroutine xcplot.x Plot correlation results to display and/or plotter xcrslts.x Print correlation results in any of various formats emv.h Header for emission line subroutines (used for line marking) fquot.h Header for all radial velocity tasks shdr.h Header for onedspect spectrum header ansum.com Common for SAO TDC archive analysis summary record corr.com Common for SAO TDC archive correlation record emv.com Common for emission line parameters fquot.com Common for radial velocity parameters and results getim.com Common for spectrum parameters read from IRAF image header results.com Common for XCSAO results