1 Introduction
2 Command summary
3 Shortform commands
4 Macro commands
5 User interface
1 ADAM parameters
Command line input
Default values
Global parameters
Parameters Help Subtopic
2 Lists and ranges
3 PSF System
ANALytic psfs
Documentation
Instrument psfs
ASCA
EXOLE
PWFC and WFC
XRT PSPC
XRT HRI
RESPFILE option
TABULAR psfs
Model psfs
Energy Models
Spatial Models
CSPEC model
POLAR model
RECT model
4 Text Output
Spooling
5 RA DEC Formats
6 Customising ASTERIX
FTOOLS
Shell Startup
ICL Startup
Site Startups
WWW
6 Using ASTHELP
7 Worked Examples
Phase resolved spectral fitting
8 Documentation
9 This release
1 FITS Format Compatibility
2 Isys Graphics User Interface
3 New Documentation
Binned dataset commands
ASMOOTH
Input Output data
Background Subtracted Data
Biasing
Parameters
Masks
Examples
AXCENTROID
Input Output data
Parameters
Example
AXFLIP
Parameters
Examples
AXORDER
Parameters
Examples
BINGRP
Other Grouping Programs
Parameters
BINMERGE
Input output data
Method
Parameters
BINSUBSET
Algorithm
Input output data
Parameters
Examples
CORRECT
Input output data
Algorithm
Parameters
DTREND
ENMAP
Input output
Method
XRT Hints
Parameters
Examples
GROW
Parameters
INTERP
Edges
Method
Parameters
Examples
MEANDAT
Method
Summing files
Parameters
Examples
MKCOLIM
Method
Parameters
POLYFIT
Input Output Data
Shortforms
Parameters
PROJECT
Parameters
Examples
RADOPT
Method
Parameters
BCOUNT
DMJD
ENERGY
IFILT
SCOUNT
Examples
RATIO
Floating Point Divide by 0
Input Output
Method
Normalisation
Parameters
Examples
REBIN
Algorithm
Parameters
Examples
SCATTERGRAM
Input output data
Parameters
Examples
SIGNIF
Input Output data
Parameters
SLICE
Input Output data
Parameters
SMOOTH
Ends of Dataset
Input and Output
Masks
COSine
GAUsian
LAPlacian
TOP hat
User Defined
Quality
Parameters
Examples
SPLINEFIT
Parameters
SQ RES
SYSERR
Input Output data
Parameters
Examples
Parameter and History commands
AFLINK
Parameters
Examples
GLOBAL
Examples
HISTMODE
Parameters
Update Modes
Examples
HIST
Parameters
Examples
SETRANGES
Input Output Data
Parameters
Data
Deficiencies
Errors
Event dataset commands
EVBIN
Input Output
Options
Parameters
Quality Lists
EVCSUBSET
Input output data
Parameters
Examples
EVLIST
Input output data
Parameters
EVMERGE
Input output data
Parameters
Method
EVPOLAR
Input Output
Parameters
Quality Lists
Examples
EVSIM
Flat Background
Background Model
Sources
Parameters
Example
EVSORT
Input output data
Parameters
EVSUBSET
Input output data
Parameters
Quality processing commands
1 Quality values
2 Masking quality
3 Magic values
CQUALITY
Axis Ordering
OverWriting
Parameters
ShortForms
Examples
CIGNORE
CRESTORE
CSETQUAL
MAGIC
Parameters
Examples
MASK
Parameters
Examples
QUALITY
OverWriting
Parameters
Auxiliary Input
Examples
Quality values
Range Selection
ShortForms
Spatial files
ARDQUAL
IGNORE
RESTORE
SETQUAL
Format conversion commands
ASTCONV
Parameters
Examples
AST2QDP
Parameters
Example
ASTQDP
Devices
Example
AST2XSP
Changes in V1.8
ROSAT PSPC
Parameters
Examples
AXCONV
Parameters
EVBIN
AST2TEXT
Input Output
Parameters
HDS2TEXT
Parameters
Example
TEXT2AST
Quick Guide
Asymmetric Errors
Data Part
File Format
Header Part
Quality Bit Names
Parameters
Examples
1D dataset
2D dataset
Asymmetric Errors
TEXT2HDS
Input and Output
SCARFILE
Parameters
NCOLS
NROWS
CNAME
Examples
FITS2HDS
Parameters
Examples
XRTCONV
Source Searching commands
Source Search DataSets
Techniques
Finding Sources
Removing Sources
Upper limits
BSUB
Algorithm
Problem images
Parameters
Examples
COVERAGE
Parameters
CREPSF
Parameters
Example
IMSIM
Parameters
Examples
PSS
1 Introduction
2 EXPERT Mode
3 Text Output
4 Background Rescaling
5 Confidence Levels
6 Error Form
7 Extension Test
8 Oversampling
9 Using Psfs
A Restarting PSS
B Source Subtraction
C Source Confusion
D Diagnostic Mode
E Future Plans
Parameters
Examples
SPCONVOL
Parameters
Examples
SPRESP
Parameters
Perturb Mode
Examples
SSANOT
Parameters
SSCARIN
Parameters
SSDUMP
Parameters
Examples
SSGET
Data Items
Parameters
Examples
SSMERGE
Parameters
Examples
SSZAP
Parameters
Examples
Warning
Graphics display commands
1 Introduction
2 Devices
3 XWindows
CXMAKE
Examples
MXMAKE
Examples
4 Graphics control
1 Linestyle
2 Linewidth
3 Line colour
4 Character fonts
5 Character size
6 Character boldness
7 Symbols
DOPEN
Parameters
Examples
DCLOSE
DERASE
DLIST
DSHOW
DSPOOL
Parameters
Examples
GDRAW
Parameters
GMULTI
NEW
APPend
DELete
SPLit
SHOw
LAYout
COMbine
Parameters
Examples
GSET
DEFaults
Parameters
AXEs
Parameters
Axis options
XAXis
Parameters
YAXis
Parameters
LABels
Parameters
XLAbel
Parameters
YLAbel
Parameters
TITles
Parameters
POSit
Parameters
POLyline
Parameters
STEpline
Parameters
POInts
Parameters
ERRors
Parameters
PIXel
Parameters
CONtour
Parameters
SURface
Parameters
NOTes
Parameters
MARks
Parameters
SHApes
Parameters
GRId
Parameters
KEY
Parameters
FUNctions
Parameters
COLours
Parameters
Parameters
Examples
GLOAD
Parameters
GCLOSE
G POS
Parameters
G WINDOW
Parameters
G AXES
Parameters
G MOVE
Parameters
G PLOT
Parameters
G LINE
Parameters
G MARK
Parameters
G LABEL
Parameters
G TEXT
Parameters
G CURS
Parameters
Shortforms
Spatial file commands
REGIONS
FILE FORMAT
SHAPES
WARNING
Parameters
EXAMPLE
SETBAD
WELLARD
Method
WARNING
Parameters
HDS general commands
HCOPY
Parameters
Examples
HCREATE
Valid Types
Parameters
Examples
HDELETE
Parameters
Examples
HDIR
Parameters
Examples
HDISPLAY
Parameters
Example
HFILL
Parameters
Examples
HGET
Items
Parameters
Examples
HMODIFY
Parameters
Examples
HREAD
Parameters
Examples
HRENAME
Parameters
Examples
HRESET
Parameters
Examples
HRESHAPE
Parameters
Examples
HRETYPE
Parameters
Examples
HTAB
Parameters
Examples
HTRACE
Parameters
Examples
HWRITE
Parameters
Examples
Spectral Fitting commands
Overview
Likelihood fitting
ROSAT procedure
Constrained Fitting
Redshift
Models
IGNORE
RESTORE
FREEZE
Input Output Data
Parameters
Examples
SBG
Input Output Data
Parameters
Examples
SBIN
Input Output Data
Parameters
Examples
SDATA
Input Output Data
Parameters
Examples
SEDIT
Command Mode
Input Output Data
Parameters
Examples
SERROR
Input Output Data
Parameters
Examples
Method
Problems
WARNING
SFIT
Input Output Data
Parameters
Examples
Method
Errors
SFLUX
Input Output Data
Parameters
Examples
SGRID
Grid Axes
Input Output Data
Parameters
Method
Examples
Errors
SMHELP
SMODEL
Input Output Data
Parameters
Examples
SPLOT
Parameters
Examples
Method
SSHOW
Input Output Data
Parameters
Examples
SSIM
Input Output Data
Parameters
Examples
TIE
Input Output Data
Parameters
Example
THAW
Input Output Data
Parameters
Examples
Future developments
Image processing commands
1 Introduction
2 Recipes
3 Getting hardcopy
4 Command summary
Isys
IADD
Parameters
Examples
IAZIMUTH
Parameters
Examples
IBLUR
Parameters
Examples
Shortforms
IBLURG
IBLURB
IBOX
Parameters
IBROWSE
Parameters
Examples
ICENTROID
Parameters
Examples
ICIRCLE
Parameters
ICLEAR
ICLOSE
ICNTSUB
Method
Bckgnd menu
Multi menu
Source menu
ICOLOUR
Parameters
Examples
ICONTOUR
Parameters
Examples
ICURRENT
Parameters
Examples
IDISPLAY
IDIV
Parameters
Examples
IDMSTOD
IDTODMS
IGRID
Parameters
Examples
IDTOHMS
IHMSTOD
IEXCLUDE
Parameters
Examples
IHIST
Parameters
IKEY
ILABELS
Parameters
Examples
ILOAD
Parameters
Examples
IMARK
Parameters
Examples
IMASK
Parameters
Examples
IMODE
Parameters
Examples
IMOSAIC
Astrometry
Algorithm
Direction of X-axis
No astrometry
Method
Astrometry
Quality
Variance
Parameters
Examples
IMULT
Parameters
Examples
INOISE
Parameters
Examples
IPATCH
Parameters
Algorithm
Examples
IPEAKS
Parameters
Examples
IPLOT
Parameters
IPIXEL
IPOLAR
Method
Quality Checking
Parameters
Examples
IPOSIT
Parameters
Examples
IPSF
Parameters
Examples
IRADIAL
Parameters
Examples
IREGION
Parameters
Examples
ARD input
ISAVE
Parameters
Examples
ISAVE1D
Parameters
Examples
ISCALE
Parameters
Examples
ISEP
Parameters
Examples
ISLICE
Parameters
ISTATS
Shortforms
Parameters
Examples
IBOXSTATS
ICIRCSTATS
ISUB
Parameters
Examples
ISURFACE
Parameters
ITEXT
Parameters
Examples
ITITLE
Parameters
Examples
IUNDO
IWHOLE
IXCONV
Method
Deficiencies
Parameters
Example
IZED
Parameters
IZOOM
IUNZOOM
Statistical analysis commands
BINSUM
Parameters
COMPARE
Input output data
Parameters
Method
FREQUENCY
Parameters
Irregular Bins
Examples
KSTAT
Input output data
Ties
Parameters
SCATTERGRAM
Input output data
Parameters
Examples
STATISTIX
Input output data
Parameters
Examples
Instrument interface commands
EXOSAT
SLOTMRG
Parameters
Example
WFC ROSAT
Getting started
S2 Catalogues
S2ADDPFLAG
Parameters
S2CATCLEAN
Parameters
S2CATLIST
Parameters
Shortform
S2CATMERGE
Algorithm
Parameters
S2CATQUAL
Commands
Parameters
Example
S2GIDECODE
Parameters
S2GIENCODE
Parameters
S2CATTAB
WFCAUTO
WFCBOP
WFCCOUNTS
WFCDBM
Parameters
WFCDISK
WFCEXP
Parameters
WFCHK
Parameters
WFCIMAGE
WFCLIGHT
WFCPOSX
Parameters
WFCSLOTS
Parameters
WFCSLMRG
Parameters
WFCSORT
Parameters
WFCSPC
WFCSPEC
Parameters
WFC Efficiency
WFCSUB
XRT ROSAT
Getting started
The HRI
The Boron filter
Time series analysis
Barycentric correction
Processing sequence
Spectral analysis
Point sources
Extended sources
Image analysis
Processing sequence
Distributed data conversion
MPE MIDAS FITS
GSFC PROS FITS
RDF FITS
New to Version 2.3-0
FITS2HDS
Parameters
Examples
XRTCONV
Parameters
FITS file contents
MPE MIDAS FITS
GSFC PROS FITS
RDF FITS
XRTINDEX
Parameters
XRTHOT
Parameters
SASSBIN
SHOWXRT
Method
Parameters
Examples
XPSF
XPSSCORR
Input output
Method
Parameters
XRAD
Parameters
Examples
XRTBOX
Graphics
Input and output
Wrapups
XRTBCKBOX
Method
Procedure
Graphics
Input and output
Wrapups
XRTCORR
Input and output
Error messages
Method
RADIAL BINS
Dead time
Wires
Effective Area and Vignetting
Point spread
Parameters
RTNAME
ENERGY
OVER
AXTYPE
Examples
XRTEXPMAP
Method
References
Parameters
XRTHK
Advice
Corrupt HK files
Error messages
Input and output
Method
Parameters
INTERVAL
Examples
XRTMSPEC
Method
Parameters
Wrapups
XRTMTIME
Method
Parameters
Wrapups
XRTRESP
Input and output
Radial spectra
Method
Scope
Parameters
XRTSUB
Changes since V1.6
Advice
On AXIS point source
Extended sources
Error messages
Input and output
Method
Images
Others
Particles
The HRI
Variance
Warning
Parameters
Examples
XSORT
Background subtraction
Changes since V1.6
Corrections
Input and output
Selecting data ranges
The HRI
Time ranges
Parameters
GRP RA
GRP DEC
GRP RAB
GRP DECB
RANGES
BRADINN
BRADOUT
Examples
XRTSORT
Parameters
RA
DEC
RAB
DECB
RANGES
BIRAD
BORAD
XSPOKES
Method
Input and output
Widening the pattern
Parameters
EXTRA WIDTH
Textual display commands
AXSHOW
Parameters
Examples
BINLIST
Parameters
Examples
EVLIST
Input output data
Parameters
HEADER
Parameters
Example
SSDUMP
Time series processing
1 Advice
POWER SPECTRUM
Folding
ACF
Input Output Data
Method
Parameters
BARYCORR
Simple Mode
Earth centred corrections
Method
The Orbit File
UNIX differences
Event lists and binned datasets
Parameters
CROSSCORR
Deficiencies
Input Output Data
Method
Parameters
Examples
CROSSPEC
Deficiencies
Method
Parameters
DIFDAT
Input Output Data
Parameters
Examples
DYNAMICAL
Deficiencies
Input Output Data
Method
Parameters
Examples
EVPHASE
Julian Date
Input Output Data
Parameters
Example
FOLDAOV
Input and output
Method
Parameters
Examples
FOLDBIN
Input Output Data
Method
Parameters
Examples
FOLDLOTS
Input and output
Method
Parameters
NPHASE
Examples
LOMBSCAR
Input and output
Method
Parameters
OFAC
HIFAC
WFREQ
Example
PHASE
Input Output Data
Julian Date
Parameters
Example
POWER
Deficiencies
Input Output Data
Method
Parameters
Example
SINFIT
Deficiencies
Input Output Data
Method
Phase Information
Parameters
Examples
STREAMLINE
Input Output Data
Method
Parameters
Examples
TIMSIM
Input Output Data
Method
Parameters
Examples
TONOFF
Parameters
VARTEST
Method
Parameters
Examples
Editing time series
TCHOP
TCLOSE
TONOFF
Parameters
TPLOT
TSAVE
Parameters
Examples
TSELECT
Parameters
Examples
TSLICE
Parameters
Examples
TLOAD
Parameters
Examples
TWHOLE
TZAP
Mathematical commands
ARITHMETIC
Error functions
Floating Point Divide by 0
Input output data
Shortforms
Parameters
Examples
ADD
SUBTRACT
MULTIPLY
DIVIDE
OPERATE
Operations Available
Parameters
Menu Commands
1 Buttons
2 File format
3 Method
BUTSET
Parameters
CHKMENU
DEFMENU
Parameters
Examples
LOADMENU
Parameters
RUNMENU
Parameters
USEMENU
Parameters
Modifying ASTERIX Code
1 Finding the files
2 Modifying the files
3 Compiling the files
Isys Graphics User Interface
1 Main Screen
2 Opening Files
3 1D Data
4 3D Data
5 Main Menu
6 Main Tool Bar
7 Setting Regions
8 Formatting Plot
9 Setting Colour Table
0 Setting Scaling
A Plotting Contours
B Using Cache
C Setting Positions
D Using Catalogues
E Source Searching
Input Output
Point Response
Searching and Fitting
Source Marking
Z About this help
FITS Format Compatibility
1 Specifying HDS and FITS file names
2 The extent of FITS compatibility
3 The structure of FITS files within Asterix