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Contents
Contents
General Information
Acknowledgements
The User Interface
Host Command-Line Interface
The miriad Front-End
INP, GO and TASK
HELP
EXIT and QUIT
Command-Line Editing and ER
Interrupting a Task
UNSET
SAVE and LOAD
TPUT and TGET
MIRIAD on the World Wide Web
Bug Reports and Giving Feedback
Indirect Parameter Input
Writing Shell Scripts
TV and Plotting Concepts
TV Devices
The Control Panel
Plot Devices
MIRIAD Datasets
Datasets and Items
Scratch Files
MIRIAD Data Disks at Epping
Visibility Data Concepts
MIRIAD Visibility File Format
MIRIAD 's Calibration Model
On-the-Fly Calibration Correction
Channel Selection, Averaging and Doppler Correction -- UV Linetypes
Selecting UV Data in MIRIAD
Spectral Window Selection
Selection and Multi-Source/Multi-Frequency Datasets
Polarization/Stokes Handling (stokes and select)
Image Data Concepts
Image Datasets
Image Coordinate Systems
Image Region of Interest (region)
Reduction Strategies
Getting Data In and Out of MIRIAD
Reading RPFITS Files
FITS Tapes and MIRIAD
Reading Visibility FITS Files
Information Missing or Incorrect in FITS Files
AIPS Frequency Bugs
Time and FITS Files
Writing Visibility FITS Files
Reading and Writing FITS Images
Archiving and Transporting MIRIAD Datasets
Manipulating, Examining and Flagging Visibility Data
Listing Visibilities
Copying, Concatenating and Averaging Visibility Datasets
Plotting Visibilities
Examining Visibility Variables
Flagging Visibilities
Interactive Channel/Baseline Flagging -- TVFLAG
General MIRIAD Flagging -- UVFLAG
AIPS Flagging and MIRIAD
Flagging Near a Set-Up Change -- QVACK
Flagging Based on a Template -- UVPFLAG and UVAFLAG
Flagging a Sector of Data -- UVSECTOR
Modifying Visibility Datasets
Calibration, the ATCA, and MIRIAD
Some Theory
Calibration Methods
Calibration of Data with XX , YY , XY and YX
Calibration of Data with XX and YY Only
Determining Calibration Solutions
Determining Gains and Bandpass Functions -- MFCAL
Determining Gains and Polarimetric Properties -- GPCAL
Copying Calibration Tables -- GPCOPY
Displaying Calibration Tables -- GPPLT
Deleting Calibration Tables -- DELHD
Calibration Strategies
Preparing your Data in MIRIAD
Calibration
The Interpolation Process
Interpolation/Extrapolation Tolerance
Averaging Antenna Gains with Time -- GPAVER
Preventing Gain Interpolation -- GPBREAK
Combining Pre- and Post-August 1994 Data
Imaging
Continuum Imaging Considerations
Spectral Line Imaging Considerations
Weighting
Computation
Image Deconvolution
Deconvolution with CLEAN
The Högbom CLEAN
The Clark CLEAN
The SDI CLEAN
Region-of-Interest Considerations
The Cotton-Schwab CLEAN
CLEAN Stripes
Computation
Deconvolution with maximum entropy algorithms
Theory
Computation
Multi-frequency deconvolution -- MFCLEAN
Restoring an Image
Self-Calibration
General
Computation
Apply Your Original Calibration Before Self-Calibrating
Self-Calibrating with Multiple Models
Polarisation Handling
Frequency Handling
Multi-Plane Models
Multi-Frequency Models
Input Parameters to the Self-Calibration Tasks
Summary
Spectral Line Data Reduction
Velocities in MIRIAD
Spectral Line Processing and RPFITS files
Spectral Line Processing and FITS files
Listing and Plotting Velocity Information
Recomputing Velocity Information
Setting the Rest Frequency
Velocity Linetype
Continuum Subtraction
Computation
Imaging and Image Velocity Definitions -- INVERT and VELSW
Displaying Images
TV Device Tasks
PGPLOT Device Tasks
General
Common Keywords
Examples
Image Analysis
Image Statistics and Histograms
Listing Image Values
Source Fitting and Positions
Copying, Reordering and Regridding Images
Image Arithmetic -- MATHS
Smoothing Images
Modifying Images by Models
Polarimetric Analysis Tasks
Spectral Index and Rotation Measure from MFS Images
Miscellaneous Analysis Tasks
Displaying Spectral Cubes
Displaying spectra only
Overlaying spectra on images
Movies and Projecting Cubes -- VIEWS
The ATNF Visualisation Software
Analysing Spectral Cubes
Moment Analysis
Smoothing the Velocity Axis
Velplot
Modelling galactic disks
Fitting a rotation curve
Fitting a tilted ring model to a warped galactic disk
Zeeman Analysis
Primary Beams and Mosaicing
Primary Beams and Primary Beam Correction
Mosaicing
Mosaicing Observing Strategies
Visibility Processing
Summary of Imaging Strategies
The Joint Approach
Theory
Imaging -- INVERT
Deconvolution and Restoration
Self-Calibration
Some Additional Tools
The Individual Approach
Splitting and Imaging
Deconvolution, Restoration and Self-Calibration
Image Combination
Generating Dummy Visibility Data
Multi-Frequency Synthesis Observing Strategies
Multi-Frequency Synthesis Data Reduction
ATCA Multi-Frequency Observing Strategies -- MFPLAN
Setting Up Your Account
Image Items
UV Variables
Preparing Your Data in AIPS
Last generated by rsault@atnf.csiro.au on 16 Jan 1996