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Quality Control:
Pipelines and Calibration Plans

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VLT/VLTI Data Pipelines and Calibration Plans


For each VLT and VLTI instrument, and for the survey cameras, ESO provides a data processing pipeline. These pipelines support the processing of calibration data as well as of science data. For a general statement about the use of pipelines within ESO operations, see the ESO Call for Proposals.

On Paranal, these pipelines are running on-line and are used for quick-look checks of calibration quality and instrument health, as well as for quick inspection of science data.

At Garching headquarters, the Quality Control and Data Processing group uses the same pipelines in optimized but automatic mode for monitoring the instrument health and for the production of certified master calibrations.

Science data are processed for selected instruments. See here for the current overview.

For the external user, the pipelines are available for download and desktop installation. They can be used to process VLT calibration and science data in fine-tuned, customized ways.

The ESO pipelines, including downloads and user manuals, can be found on the instrument pipelines page.

Calibration plans

The calibration plans of the VLT instruments are published on the Paranal instrument pages. There you will also find data reduction cookbooks and instrument manuals.

Calibration processing

For information about the processing and quality control of VLT calibration data, use the navigation on the left.

Quality Control, Health Checks and trending

All VLT calibration data are processed by the Quality Control and Data Processing Group in order to extract quality control information and to certify master calibration products. The pipelines measure QC parameters which are stored in the QC1 database. The QC parameters related to the most important instrument components are monitored (trended) by Health Check trending plots, supported by a scoring system.

Find the current status of the Paranal instruments on the Health Check monitor. Most Health Check reports also have a HISTORY part which is probably more relevant for external users. A major source about historical quality information are the Quality Control pages, use the navigation on the left.

You can browse the QC1 database, or plot selected QC parameters, under the link http://archive.eso.org/bin/qc1_cgi.

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Last update: March 8, 2017