NACO Pipeline: Science Data

NACO Pipeline:
Science Data

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general

NACO

SCIENCE DATA: GENERAL

On Paranal, the quick-look pipelines make an effort to automatically reduce all science data. The reduction is performed using standard calibration solutions from a local calibration database which is refreshed every few months. Generally any pipeline processing on the site is done on a best-effort basis. Its purpose is to offer a quick look to assess data quality etc.

Until the end of P87 (September 2011) science data have been processed by QC Garching with the best possible (certified) calibrations solutions. The products were ingested into the Science Archive and delivered to the PIs.

This service has been terminated with the begin of October 2011. The documentation of science pipelines and science processing is kept here for its heritage value.

NACO INFORMATION

The NACO pipeline is designed to reduce some types of the raw science data. Please, be aware that the adopted reduction strategy may not be suitable for some particular scientific purposes.

The following types of the NACO raw science data are NOT supported by the pipeline (situation for P86):

noAO, speckle_imaging

sparse aperture interferometric masks: SAM

SAMPol

cube mode (except for a simple cube imaging that is pipeline supported)

RAW SCIENCE DATA

The following types of NACO raw science data are supported by the pipeline:

Frame Type DPR Type DPR Tech

SCIENCE_IMG OBJECT IMAGE,JITTER

SCIENCE_IMG SKY IMAGE,JITTER

SCIENCE_IMG_CUBE OBJECT IMAGE,JITTER,CUBE

SCIENCE_SPEC OBJECT SPECTRUM,JITTER

SCIENCE_SPEC SKY SPECTRUM,JITTER

REDUCED SCIENCE DATA AND PRODUCTS

The following types of reduced data products are created for the NACO pipeline supported modes. For detailed information click here .

Frame Type Recipe Description Products

SCIENCE_IMG naco_img_jitter reduces stack of images combined, background subtracted reduced image

SCIENCE_IMG_CUBE naco_img_jitter reduces cubes of images combined, background subtracted (only if 3 or more cubes per template run)

SCIENCE_SPEC
naco_spc_combine reduces stack of spectroscopic observations combined, background subtracted spectra

In science data reduction calibration products are required. The selection of appropriate NACO calibration products is done based on following association rules.

REDUCTION CASCADE

All science products created by QC Garching follow the reduction cascade.

NAMING SCHEME

After production and certification, the calibration products are renamed after a scheme which includes type, OB ID, creation date and relevant NACO settings.