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Contents
The Xselect User's Guide
Version 3.0
J. Ingham, K.A. Arnaud & M.F. Corcoran
HEASARC
Code 662
Goddard Space Flight Center
Greenbelt, MD 20771
USA
June 12, 2026
Contents
1
. Introduction
1
.
1
What is new in version 3.0
2
. Overview
2
.
1
Generalities
2
.
2
Aids to the User
2
.
3
Reserved names
2
.
4
Sessions
2
.
5
Data Entry
2
.
5
.
1
Obscats
2
.
5
.
2
Read
2
.
6
Xselect's files
2
.
7
Entering Filters
2
.
8
Making Selections
2
.
9
Saving clearing and setting
2
.
10
Extracting products and applying filters
2
.
11
Plotting
3
. Xselect Commands
3
.
1
Summary
3
.
2
bin
3
.
3
chatter
3
.
4
choose
3
.
5
clear
3
.
5
.
1
clear all
3
.
5
.
2
clear clean
3
.
5
.
3
clear column
3
.
5
.
4
clear data
3
.
5
.
5
clear datamode
3
.
5
.
6
clear detector
3
.
5
.
7
clear events
3
.
5
.
8
clear faint
3
.
5
.
9
clear fast
3
.
5
.
10
clear filter
3
.
5
.
11
clear grade
3
.
5
.
12
clear intensity
3
.
5
.
13
clear hksel
3
.
5
.
14
clear in_events
3
.
5
.
15
clear mkfsel
3
.
5
.
16
clear obscats
3
.
5
.
17
clear pha_cutoff
3
.
5
.
18
clear phase
3
.
5
.
19
clear region
3
.
5
.
20
clear selection
3
.
5
.
21
clear smooth
3
.
5
.
22
clear time
3
.
5
.
23
clear workspace
3
.
5
.
24
clear xycenter
3
.
5
.
25
clear xysize
3
.
6
cpd
3
.
7
echo
3
.
8
exit
3
.
9
extract
3
.
10
faint
3
.
11
fast
3
.
12
filter
3
.
12
.
1
filter column
3
.
12
.
2
filter detector
3
.
12
.
3
filter grade
3
.
12
.
4
filter hk
3
.
12
.
5
filter intensity
3
.
12
.
6
filter mkf
3
.
12
.
7
filter pha
3
.
12
.
8
filter phase
3
.
12
.
9
filter region
3
.
12
.
10
filter time
3
.
13
gisclean
3
.
14
help
3
.
15
hkbin
3
.
16
(x)list
3
.
16
.
1
list obscat
3
.
16
.
2
list datadir
3
.
16
.
3
list workdir
3
.
17
(x)load
3
.
18
make
3
.
19
mkfbin
3
.
20
plot
3
.
20
.
1
plot curve
3
.
20
.
2
plot HK
3
.
20
.
3
plot image
3
.
20
.
4
plot MKF
3
.
20
.
5
plot spectrum
3
.
21
quit
3
.
22
(x)read
3
.
23
saoimage
3
.
24
save
3
.
24
.
1
save all
3
.
24
.
2
save clean
3
.
24
.
3
save curve
3
.
24
.
4
save dfe
3
.
24
.
5
save events
3
.
24
.
6
save expanded
3
.
24
.
7
save faint
3
.
24
.
8
save fast
3
.
24
.
9
save goodtime
3
.
24
.
10
save hksel
3
.
24
.
11
save image
3
.
24
.
12
save intensity
3
.
24
.
13
save mkf_sel
3
.
24
.
14
save obscat
3
.
24
.
15
save phase
3
.
24
.
16
save region
3
.
24
.
17
save selection
3
.
24
.
18
save session
3
.
24
.
19
save spectrum
3
.
24
.
20
save time
3
.
24
.
21
save workspace
3
.
25
select
3
.
25
.
1
select chip
3
.
25
.
2
select event
3
.
25
.
3
select expref
3
.
25
.
4
select fast
3
.
25
.
5
select HK
3
.
25
.
6
select MKF
3
.
25
.
7
select obscat
3
.
26
set
3
.
26
.
1
set binsize
3
.
26
.
2
set datadir
3
.
26
.
3
set datamode
3
.
26
.
4
set device
3
.
26
.
5
set dumpcat
3
.
26
.
6
set image
3
.
26
.
7
set instrument
3
.
26
.
8
set mission
3
.
26
.
9
set mkfdir
3
.
26
.
10
set obsdir
3
.
26
.
11
set pagewidth
3
.
26
.
12
set pharebin
3
.
26
.
13
set phaname
3
.
26
.
14
set wmapbinsize
3
.
26
.
15
set wmapname
3
.
26
.
16
set xybinsize
3
.
26
.
17
set xycenter
3
.
26
.
18
set xyname
3
.
26
.
19
set xysize
3
.
27
show
3
.
27
.
1
show data
3
.
27
.
2
show diff
3
.
27
.
3
show event
3
.
27
.
4
show filters
3
.
27
.
5
show goodtime
3
.
27
.
6
show GTI
3
.
27
.
7
show MKF
3
.
27
.
8
show obscat
3
.
27
.
9
show parameters
3
.
27
.
10
show primary
3
.
27
.
11
show select
3
.
27
.
12
show status
3
.
28
sisclean
3
.
29
sispi
3
.
30
smooth
3
.
30
.
1
smooth gaussian
3
.
30
.
2
smooth lorentzian
3
.
30
.
3
smooth boxcar
3
.
31
stop
A. The Mission Database File
A.
0
.
0
.
1
Required MDB Keywords
A.
0
.
0
.
2
Optional MDB Keywords
A.
1
Adding New Missions
B. The Command Line Interface
B.
1
Syntax
B.
2
Special Characters
B.
3
comments
B.
4
Command line commands
B.
4
.
1
alias
B.
4
.
2
log
B.
4
.
3
history
B.
4
.
4
chatter
B.
4
.
5
lparm
B.
4
.
6
command ?
B.
4
.
7
recall
B.
4
.
8
scripts
B.
4
.
9
? and ??
B.
4
.
10
$ - spawn or exit to shell
C. List of Files
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