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The HEASARC is running nominally. If you are trying to download a lot of data, please consider using the AWS cloud copy of most HEASARC data. As an alternative to locally installing HEASoft, SciServer is an online platform which has the software installed and data available when you login.

Contents

Introduction
Overview
Xselect Commands
- Summary
- bin
- choose
- clear
  - clear all
  - clear clean
  - clear column
  - clear data
  - clear datamode
  - clear detector
  - clear events
  - clear faint
  - clear fast
  - clear grade
  - clear intensity
  - clear hksel
  - clear intensity
  - clear mkfsel
  - clear obscats
  - clear pha_cutoff
  - clear phase
  - clear region
  - clear selection
  - clear smooth
  - clear time
  - clear workspace
- echo
- exit
- extract
- faint
- fast
- filter
  - filter column
  - filter detector
  - filter grade
  - filter hk
  - filter intensity
  - filter time
  - filter pha
  - filter mkf
  - filter phase
  - filter region
- gisclean
- help
- hkbin
- (x)list
  - list obscat
  - list datadir
  - list workdir
- (x)load
- make
- mkfbin
- plot
  - plot curve
  - plot HK
  - plot image
  - plot MKF
  - plot spectrum
- quit
- (x)read
- saoimage
- save
  - save all
  - save clean
  - save curve
  - save dfe
  - save events
  - save expanded
  - save faint
  - save fast
  - save goodtime
  - save hksel
  - save image
  - save intensity
  - save mkf_sel
  - save obscat
  - save phase
  - save region
  - save selection
  - save session
  - save spectrum
  - save time
  - save workspace
- select
  - select chip
  - select event
  - select expref
  - select fast
  - select HK
  - select MKF
  - select obscat
- set
  - set binsize
  - set datadir
  - set datamode
  - set device
  - set dumpcat
  - set image
  - set instrument
  - set mission
  - set mkfdir
  - set pagewidth
  - set pharebin
  - set phaname
  - set wmapname
  - set xybinsize
  - set xycenter
  - set xyname
  - set xysize
- show
  - show data
  - show diff
  - show event
  - show filters
  - show goodtime
  - show GTI
  - show MKF
  - show obscat
  - show parameters
  - show primary
  - show select
  - show status
- sisclean
- sispi
- smooth
  - smooth gaussian
  - smooth lorentzian
  - smooth boxcar
- stop
The Mission Database File
- Adding New Missions
XPI
- Syntax
- Special Characters
- comments
- XPI commands
  - alias
  - log
  - history
  - lparm
  - recall
  - scripts
  - ?
  - ??
  - $ - spawn or exit to shell
Known_Bugs/Features
List of Files