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VLA reduction

Contributors: Athol Kemball, George Moellenbrock, Debra Shepherd, & the NRAO AIPS++ Users Group

Version: July 22, 2003

This document describes how to calibrate and image VLA data using the Astronomical Information Processing System (AIPS++). AIPS++ is a suite of astronomical data reduction tools that can be run via an interactive command language called Glish.

The development of mouse-based Graphical User Interfaces (GUIs) have been suspended for the time being as we await the development of a new AIPS++ framework using the ALMA Common Software (ACS). The plan is to convert the command language to Python (although Glish will still be available) and GUIs will be developed using JAVA.

Besides this cookbook, you will also need to access AIPS++ documentation on the web at: http://aips2.aoc.nrao.edu/stable/docs/user/documentation.html This will tell you what input parameters are available for each function as well as provide guidelines for procedures not covered in this cookbook. AIPS++ documentation consists of:

Getting Started with AIPS++ - an introduction to the AIPS++ environment.
Getting Results with AIPS++ - three volumes are available on:
- Basic Tools (e.g. plotting, data display, image analysis).
- Generic Processing (e.g. data calibration & imaging)
- Telescope Specific Processing (e.g. The Very Large Array, the Green Bank Telescope, and other facilities).
User Reference Manual - detailed software documentation.

If you have experience with AIPS or MIRIAD software packages to reduce interferometric data, you may be interested in AIPS-aips++ and MIRIAD-aips++ dictionaries which provide a partial mapping of common AIPS and MIRIAD tasks/adverbs to their counterparts in AIPS++. These dictionaries are also given in Appendicies 1 and 2.

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