AIPS++ and the GBT: A layered approach to processing and analysis of single-dish data

James Braatz, Joseph McMullin, Robert Garwood, Athol Kemball

Research output: Contribution to journalConference articlepeer-review

Abstract

The Green Bank Telescope (GBT) is a new 100-m diameter antenna with an unblocked aperture and an active surface. It is designed to observe at frequencies from 300 MHz to 100 GHz, and includes state of the art continuum and spectral backends. The GVT is also capable of pulsar work and recording as a VLB station, and array receivers are being developed as well. AIPS++ is the integral software package for analysis of GBT data both for scientific analysis as well as for control and engineering analysis of the component systems. In this paper we will give an overview of how the AIPS++ system is used with the GBT, with special consideration to the development of spectral analysis software. AIPS++ allows a layered approach to software development, and the spectral analysis capability gives a strong example of the usefulness of the layered approach. At the heart of AIPS++ is a suite of tools which are capable of astronomy-specific calculations as well as general purpose mathematical analysis, data visualization, GUI development, and scripting. A tool for analyzing single-dish data, DISH, is developed on this platform. DISH includes a number of modern features such as bulk processing of datasets and versatile GUI interaction. A simplified package using a familiar CLI, known as UNI-jr, is built on DISH and is available as an easy to learn path for processing scan-based data. Finally, the Interim Automated Reduction and Display System (IARDS) is built on UNI-jr and provides an automated reduction package and run-time display.

Original languageEnglish (US)
Pages (from-to)419-426
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4847
DOIs
StatePublished - Dec 1 2002
Externally publishedYes
EventAstronomical data Analysis II - Waikoloa, HI, United States
Duration: Aug 27 2002Aug 28 2002

Keywords

  • AIPS++
  • Data Analysis
  • Data Reduction
  • GBT
  • Single-dish

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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