timing packages
	barycen	Barycentric correction	PostScript	ChangeLog
	earthbarycen	Barycentric correction for earth-bound observer	PostScript	ChangeLog
	efftplot	Computes and plots power density spectra of EPIC source time series	PostScript	ChangeLog
	elcbuild	Combines EPIC MOS/PN light curves into a single light curve file readable by e.g. efftplot	PostScript	ChangeLog
	evselect	Filters event lists and extracts images, spectra, timeseries and histograms	PostScript	ChangeLog
	lccorr	Performs exposure correction of EPIC timeseries.	PostScript	ChangeLog
	lccorr_pcms	Performs exposure correction of EPIC timeseries.	PostScript	ChangeLog
	lcplot	Plots EPIC or OM net source and background time series and performs statistical tests	PostScript	ChangeLog
	omgrismplot	Plots EPIC or OM net source and background time series and performs statistical tests	PostScript	ChangeLog
	omthlcplot	Plots all the lightcurves contained any one file	PostScript	ChangeLog
	phasecalc	Given an ephemeris, calculate a phase column for an event table.	PostScript	ChangeLog
	selectlib	Data Selection infrastructure library	PostScript	ChangeLog
	xmmselect	Interactive data selection and accumulation of products	PostScript	ChangeLog