The following table summarizes all keywords introduced in this chapter, in alphabetical order.
FITS keyword Meaning
ADA.POSANG Position angle on sky (degrees)
ARCFILE Archive file name
DEC Declination (J2000) in degrees
DET.DIT Detector Integration Time
DET.NDIT Number of (averaged) DITs
DPR.CATG Data product category
DPR.TYPE Data product type
DPR.TECH Data product acquisition technique
GHOSTREM Flag for ghost removal
GHOSTVER Ghost removal algorithm ID
INS.FILT1.ID SW Filter ID in first wheel
INS.FILT2.ID SW Filter ID in second wheel
INS.FILT3.ID LW Filter ID in first wheel
INS.FILT4.ID LW Filter ID in second wheel
INS.GRAT.NAME Grating in position
INS.GRAT.ORDER Grating order
INS.GRAT.WLEN Grating central wavelength (microns)
INS.LAMP1.ST Status of the Argon lamp
INS.LAMP2.ST Status of the Xenon lamp
INS.MODE Instrument acquisition mode
INS.OPTI1.ID Mask or slit in position
INS.OPTI2.NAME Optical objective name
INS.PIXSCALE Pixel scale in arcseconds per pixel
OBS.PROG.ID Program ID
OBS.NAME Observation Block name
OBS.TARG.NAME Target package name
ORIGFILE File name given during acquisition
PIPEFILE File name as attributed by the pipeline
PRO.CATG Data product category
PRO.DATANCOM Number of frames combined into this product
PRO.DATE Pipeline reduction date
PRO.DID Dictionary version for PRO keywords
PRO.RECi.ID Applied recipe ID
PRO.RECi.DRS.ID Data Reduction System ID
PRO.REDLEVEL Data product reduction level
PRO.STATUS Data product reduction status
PRO.TYPE Data product type
RA Right ascension (J2000) in degrees
SEQ.CUMOFFSETX Cumulated offset in X, in pixels
SEQ.CUMOFFSETY Cumulated offset in Y, in pixels
SEQ.CUMOFFSETA Cumulated offset in alpha, in arcseconds
SEQ.CUMOFFSETD Cumulated offset in delta, in arcseconds
SEQ.POISSON Poisson homogeneity in jitter throw
SEQ.RELOFFSETX Relative offset in X, in pixels
SEQ.RELOFFSETY Relative offset in Y, in pixels
SEQ.RELOFFSETA Relative offset in alpha, in arcseconds
SEQ.RELOFFSETD Relative offset in delta, in arcseconds
TEL.AIRM.START Airmass at start of exposure
TEL.AIRM.END Airmass at end of exposure
TEL.AMBI.FWHM.START ASM seeing at start
TEL.AMBI.FWHM.END ASM seeing at end
TPL.ID Template ID
TPL.NEXP Number of exposures expected in the template
TPL.EXPNO Exposure rank in the template