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• CASA homepage: http://casa.nrao.edu
• For help, comments, or corrections, please visit the NRAO helpdesk: http://help.nrao.edu or http://help.almascience.org for ALMA related questions.
• Data reduction guides are available at http://casaguides.nrao.edu
• For news, updates, critical bugs, subscribe to our CASA mailing lists: http://casa.nrao.edu/mail_list.shtml
• Join the NRAO Users community on http://science.nrao.edu/forums

• Contents
• Chapter 1  Introduction
  • 1.1  About This Release
  • 1.2  Obtaining CASA
  • 1.3  CASA Basics — Information for First-Time Users
  • 1.4  Tasks and Tools in CASA
  • 1.5  Getting the most out of CASA
  • 1.6  From Loading Data to Images
• Chapter 2  Visibility Data Import, Export, and Selection
  • 2.1  CASA Measurement Sets
  • 2.2  Data Import and Export
  • 2.3  Data Selection
• Chapter 3  Data Examination and Editing
  • 3.1  Plotting and Flagging Visibility Data in CASA
  • 3.2  Managing flag versions with flagmanager
  • 3.3  X-Y Plotting and Editing of the Data
  • 3.4  Data Flagging using flagdata
  • 3.5  Command-based flagging using flagcmd
  • 3.6  Browse the Data
• Chapter 4  Synthesis Calibration
  • 4.1  Calibration Tasks
  • 4.2  The Calibration Process — Outline and Philosophy
  • 4.3  Preparing for Calibration
  • 4.4  Solving for Calibration — Bandpass, Gain, Polarization
  • 4.5  Plotting and Manipulating Calibration Tables
  • 4.6  Application of Calibration to the Data
  • 4.7  Other Calibration and UV-Plane Analysis Options
  • 4.8  Examples of Calibration
• Chapter 5  Synthesis Imaging
  • 5.1  Imaging Tasks Overview
  • 5.2  Common Imaging Task Parameters
  • 5.3  Deconvolution using CLEAN (clean)
  • 5.4  Refactored clean: tclean
  • 5.5  Primary Beam Correction (impbcor, widebandpbcor)
  • 5.6  Combined Single Dish and Interferometric Imaging (feather)
  • 5.7  Making Deconvolution Masks or Box Regions
  • 5.8  Insert an Image Model (ft)
  • 5.9  Pre-Gridding Visibilities (msuvbin)
  • 5.10  Image-plane deconvolution (deconvolve)
  • 5.11  Self-Calibration
  • 5.12  Parallelized Cleaning
  • 5.13  Examples of Imaging
• Chapter 6  Image Analysis
  • 6.1  Common Image Analysis Task Parameters
  • 6.2  Image Header Manipulation (imhead)
  • 6.3  Image History (imhistory)
  • 6.4  Extracting sub-images (imsubimage)
  • 6.5  Continuum Subtraction on an Image Cube (imcontsub)
  • 6.6  Image-plane Component Fitting (imfit)
  • 6.7  Mathematical Operations on an Image (immath)
  • 6.8  Computing the Moments of an Image Cube (immoments)
  • 6.9  Generating Position-Velocity Diagrams (impv)
  • 6.10  Computing image statistics (imstat)
  • 6.11  Extracting data from an image (imval)
  • 6.12  Reordering the Axes of an Image Cube (imtrans)
  • 6.13  Collapsing an Image Along an Axis (imcollapse)
  • 6.14  Regridding an Image (imregrid)
  • 6.15  Redefining the Velocity System of an Image (imreframe)
  • 6.16  Rebin an Image (imrebin)
  • 6.17  1-dimensional Smoothing (specsmooth)
  • 6.18  2-dimensional Smoothing; Image Convolution (imsmooth)
  • 6.19  Spectral Line fitting with specfit
  • 6.20  Spatial Spectral Line Properties (specflux)
  • 6.21  Plot Spectra on a Map (plotprofilemap)
  • 6.22  Calculation of Rotation Measures (rmfit)
  • 6.23  Calculation of Spectral Indices and Higher Order Polynomials (spxfit)
  • 6.24  Image Mask Handling makemask
  • 6.25  Search for Spectral Line Rest Frequencies (slsearch)
  • 6.26  Convert Exported Splatalogue Catalogs to CASA Tables (splattotable)
  • 6.27  Image Import/Export to FITS
  • 6.28  Using the CASA Toolkit for Image Analysis
  • 6.29  Examples of CASA Image Analysis
• Chapter 7  Visualization With The CASA Viewer
  • 7.1  Starting the Viewer
  • 7.2  The Viewer Display Panel
  • 7.3  The Data Manager Panel — Saving and Loading Data
  • 7.4  Viewing Images
  • 7.5  Viewing Measurement Sets
  • 7.6  Printing from the Viewer
  • 7.7  Image Viewer (imview)
  • 7.8  Measurement Viewer (msview)
• Chapter 8  Single-dish Data Processing
  • 8.1  CASA-SD status, setup and current-issues
  • 8.2  SD data-taking in brief
  • 8.3  Overview of SD tools and tasks
  • 8.4  Overview for Reducing ALMA Single-dish Data
  • 8.5  Brief Description of functionality for relevant SD tasks
  • 8.6  Import of NRO data and scantable data
  • 8.7  Using The ASAP Toolkit
• Chapter 9  Simulation
  • 9.1  Simulating ALMA observations with simobserve and simanalyze
  • 9.2  Simulating ALMA observations with simalma
• Chapter 10  Parallel Processing in CASA
  • 10.1  The CASA parallelization scheme
  • 10.2  Multi-MS creation
  • 10.3  Parallelization control
• Appendix A  Appendix: Obtaining, Installing, and Customizing CASA
  • A.1  Installation On Linux
  • A.2  Installation on Mac OS
  • A.3  Startup
  • A.4  Startup Customization
  • A.5  Updating the data repository
• Appendix B  Appendix: Python and CASA
  • B.1  Python Packages
  • B.2  Automatic parentheses
  • B.3  Indentation
  • B.4  Lists and Ranges
  • B.5  Dictionaries
  • B.6  Control Flow: Conditionals, Loops, and Exceptions
  • B.7  System shell access
  • B.8  Logging
  • B.9  History and Searching
  • B.10  Macros
  • B.11  On-line editing
  • B.12  Executing Python scripts
  • B.13  How do I exit from CASA?
• Appendix C  Appendix: Models, Conventions and Reference Frames
  • C.1  Flux Density Models for setjy
  • C.2  Velocity Reference Frames
  • C.3  Time Reference Frames
  • C.4  Coordinate Frames
  • C.5  Physical Units
  • C.6  Physical Constants
• Appendix D  Appendix: CASA Region File Format
  • D.1  Region definitions
  • D.2  Allowed shapes
  • D.3  Annotation definitions
  • D.4  Global definitions
  • D.5  Allowed additional parameters
  • D.6  Examples
  • D.7  Fonts and Symbols
• Appendix E  Appendix: The Measurement Equation and Calibration
  • E.1  The HBS Measurement Equation
  • E.2  General Calibrater Mechanics
• Appendix F  Appendix: Data Weights
  • F.1  Introduction
  • F.2  SIGMA and WEIGHT columns
• Appendix G  Appendix: Cal Library Syntax
  • G.1  Introduction
  • G.2  Basic Cal Library Usage
  • G.3  More Advanced Cal Library Usage
  • G.4  General Rules (current, as of CASA 4.5)
  • G.5  Limitations (current, as of CASA 4.5)
  • G.6  Conversion from Existing applycal Scripts
  • G.7  Glossary
• Appendix H  Appendix: Annotated Example Scripts
• Appendix I  Appendix: CASA Dictionaries
  • I.1  AIPS – CASA dictionary
  • I.2  MIRIAD – CASA dictionary
  • I.3  CLIC – CASA dictionary
• Appendix J  Appendix: Writing Tasks in CASA
  • J.1  The XML file
  • J.2  The task_yourtask.py file
  • J.3  Example: The clean task

This document was translated from L^AT_EX by H^EV^EA.