NACO pipeline: calib codes

NACO pipeline:
product naming scheme

List of codes for NACO pipeline products

Names of calibration and science products follow a certain naming convention. This is done to have more user friendly names rather than archive- or original-file names.

Instrument code

The first two letters of the naming scheme are 'NC' for NACO, followed by an underscore'_'.

Type of product

The type of product is coded with four letters.

TAG	PRO.CATG	RAW TYPE	DESCRIPTION
DCAL	NACO_IMG_DARK_AVG	DARK	dark average
DCAH	NACO_IMG_DARK_HOT	DARK	dark, hot pixel map
DCAC	NACO_IMG_DARK_COLD	DARK	dark, cold pixel map
DCAD	NACO_IMG_DARK_DEV	DARK	dark, deviant pixel map
ICLF	MASTER_LAMP_FLAT	LIMGFLAT	internal lamp flatfield, imaging
ICTF	MASTER_IMG_FLAT	TIMGFLAT	twilight/sky flatfield, imaging
ICTB	MASTER_IMG_FLAT_BADPIX	TIMGFLAT	twilight/sky flatfield, imaging, bad pixel map
ICTE	MASTER_IMG_FLAT_ERRMAP	TIMGFLAT	twilight/sky flatfield, imaging, error map
ICTI	MASTER_IMG_FLAT_INTERC	TIMGFLAT	twilight/sky flatfield, imaging, interception
ICZT	ZPOINT_TABLE	STDIMG	standard star, imaging, map
ICZP	ZPOINT	STDIMG	standard star, imaging
ICSR	NACO_IMG_STREHL_CAL	STREHL	strehl ratio image
SIJO	COADDED_IMG	IMGJITOBJ	science image combined product

Date of origin, version

The date of origin is identical to the date of the raw data measurement. It is coded as YYMMDD (e.g. 000915 for Oct 15, 2000) in case of calibration products, and as YYYY-MM-DDTHH:MM:SS (full time stamp) in case of science produtcs. The version of a file is indicated by capital letters always starting with A. There is no versioning for science products as they have unique time stamp.

Instrumental parameters

There are several instrumental parameters coded at the end of the product name:

DET.DIT : detector DIT
INS.OPTI7.NAME: camera, e.g. S27
DET.NCORRS.NAME: detector read-out mode, e.g. DR (Double_RdRstRd), FS (FowlerNsamp), UC (Uncorr)
DET.MODE.NAME: detector mode e.g. HD (HighDynamic), HS (HighSensitivity), HW (HighWellDepth), HB (HighBackground)
NAXIS1: size of the FOV: F (Full), W (Windowed)
INS.OPTI4.NAME, INS.OPTI5.NAME, INS.OPTI6.NAME: imaging filter, e.g. H

Calibration pipeline products

Calibration products have the following scheme:

NC_<PPPP>_<YYMMDD>_<parameter_string>.<ext>

e.g. NC_DCAL_060128_0_5_S27_F_DRHS.fits

where:

<PPPP> is the four letter code uniquely describing the type of product (e.g. DCAL)
parameter_string is a string containing the instrument setup information (e.g. DIT (0.5 = 0_5), camera, window, read-out mode, detecor mode )

Science pipeline products

Science products have the following scheme:

NC_<PPPP>_<OBS_ID>_<DATE_TIME>_<parameter_string>.<ext>

e.g. NC_SIJO_186898_2006-01-29T06:48:12_H_S13_VIS.fits

where:

<PPPP> is the four letter code uniquely describing the type of SCIENCE product (e.g. SIJO)
OBS_ID is the OB number read from the OBS.ID fits key
DATE_TIME is the UT date and time of the first raw frame measured for the OB (e.g. 2006-01-29T04:31:12); this information is required since OBs can be executed several times
parameter_string is a string containing the instrument setup information (e.g. filter, camera, dichroic; calibration products use similar string)

Extension

2D product images contain the .fits extension. 1D data with the .tfits extension are given in fits table format. The pipeline provides in addition VLT compliant plain ASCII parameter files with the .paf extension.

Send comments to <Danuta.Dobrzycka@eso.org>
Last update: February 15, 2006