Publication

The Astro-WISE approach to quality control for astronomical data

Mc Farland, J., Helmich, E. M. & Valentijn, E. A., Jan-2013, In : Experimental Astronomy. 35, 1, p. 79-102 24 p.

Research output: Contribution to journalArticleAcademicpeer-review

We present a novel approach to quality control during the processing of astronomical data. Quality control in the Astro-WISE Information System is integral to all aspects of data handing and provides transparent access to quality estimators for all stages of data reduction from the raw image to the final catalog. The implementation of quality control mechanisms relies on the core features in this Astro-WISE Environment (AWE): an object-oriented framework, full data lineage, and both forward and backward chaining. Quality control information can be accessed via the command-line awe-prompt and the web-based Quality-WISE service. The quality control system is described and qualified using archive data from the 8-CCD Wide Field Imager (WFI) instrument (http://www.eso.org/lasilla/instruments/wfi/) on the 2.2-m MPG/ESO telescope at La Silla and (pre-)survey data from the 32-CCD OmegaCAM instrument (http://www.astro-wise.org/similar to omegacam/) on the VST telescope at Paranal.

Original languageEnglish
Pages (from-to)79-102
Number of pages24
JournalExperimental Astronomy
Volume35
Issue number1
Publication statusPublished - Jan-2013

    Keywords

  • Quality control, Astronomical data, Information system, Wide-field imaging

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