8// Name: ifw/dit/stddid/primary.did\n{AIRMASS}{(FITS)}{Double}{.5f}{}{}{()}{(TBD) Averaged air mass}{()}\n{ARCFILE}{(FITS)}{String}{s}{}{}{()}{$Archive File Name}{()}\n{BITPIX}{(FITS)}{Int32}{d}{}{}{()}{Nb of bits per pixel value}{()}\n{BLANK}{(FITS)}{Int32}{d}{}{}{()}{Value used for NULL pixels}{()}\n{BSCALE}{(FITS)}{Double}{e}{}{}{()}{real=pixel_value*BSCALE+BZERO}{()}\n{BUNIT}{(FITS)}{String}{s}{}{}{()}{Physical Unit}{()}\n{BZERO}{(FITS)}{Double}{e}{}{}{()}{real=pixel_value*BSCALE+BZERO}{()}\n{CDBFILE}{(FITS)}{String}{s}{}{}{()}{File Name in the archive calibration database}{()}\n{CDn_ms}{(FITS)}{Double}{f}{}{}{()}{Coordinate translation matrix element}{()}\n{CHECKSUM}{(FITS)}{String}{s}{}{}{()}{ASCII 1's complement checksum}{()}\n{COMMENT}{(FITS)}{String}{s}{}{}{()}{}{()}\n{CRDERn}{(FITS)}{Double}{f}{}{}{()}{Random error in coordinate <n>}{()}\n{CRPIXi}{(FITS)}{Double}{.1f}{}{}{()}{Reference pixel}{()}\n{CRVALi}{(FITS)}{Double}{.5f}{}{}{()}{Coordinate at reference pixel}{()}\n{CSYERns}{(FITS)}{Double}{f}{}{}{()}{Systematic error in coordinate <n>}{()}\n{CTYPEi}{(FITS)}{String}{s}{}{}{()}{Coordinate system of <axis direction>}{()}\n{CUNITi}{(FITS)}{String}{s}{}{}{()}{Unit of coordinate translation}{()}\n{DATAMAX}{(FITS)}{Double}{.7f}{}{}{()}{Maximal pixel value}{()}\n{DATAMIN}{(FITS)}{Double}{.7f}{}{}{()}{Minimal pixel value}{()}\n{DATASUM}{(FITS)}{String}{s}{}{}{()}{Checksum of the data section only}{()}\n{DATE}{(FITS)}{String}{s}{}{}{()}{Date this file was written}{()}\n{DATE-OBS}{(FITS)}{String}{s}{}{}{()}{Observing date}{()}\n{DEC}{(FITS)}{Double}{.5f}{}{}{()}{deg] DEC (J2000) pointing}{()}\n{END}{(FITS)}{String}{s}{}{}{()}{None}{()}\n{EQUINOX}{(FITS)}{Double}{.1f}{}{}{()}{Standard FK5}{()}\n{EXPTIME}{(FITS)}{Double}{.3f}{}{}{()}{(s) Integration time}{()}\n{EXTEND}{(FITS)}{Boolean}{c}{}{}{()}{FITS Extension may be present}{()}\n{EXTLEVEL}{(FITS)}{Int32}{d}{}{}{()}{FITS Extension level}{()}\n{EXTNAME}{(FITS)}{String}{s}{}{}{()}{FITS Extension name}{()}\n{EXTVER}{(FITS)}{Int32}{d}{}{}{()}{FITS Extension identification}{()}\n{GCOUNT}{(FITS)}{Int32}{d}{}{}{()}{Group count}{()}\n{HISTORY}{(FITS)}{String}{s}{}{}{()}{}{()}\n{INHERIT}{(FITS)}{Boolean}{c}{}{}{()}{Primary header keywords are inherited}{()}\n{INSTRUME}{(FITS)}{String}{s}{}{}{()}{Instrument used}{()}\n{LST}{(FITS)}{Double}{.3f}{}{}{()}{(s) Local Sidereal Time}{()}\n{MJD-OBS}{(FITS)}{String}{s}{}{}{()}{Observation start}{()}\n{NAXIS}{(FITS)}{Int32}{d}{}{}{()}{Nb of axes in data array}{()}\n{NAXIS#}{(FITS)}{Int32}{d}{}{}{()}{Nb of pixels in each dimension}{()}\n{OBJECT}{(FITS)}{String}{s}{}{}{()}{Target description}{()}\n{OBSERVER}{(FITS)}{String}{s}{}{}{()}{Name of observer}{()}\n{ORIGFILE}{(FITS)}{String}{s}{}{}{()}{Original File Name}{()}\n{ORIGIN}{(FITS)}{String}{s}{}{}{()}{European Southern Observatory}{()}\n{PCOUNT}{(FITS)}{Int32}{d}{}{}{()}{Parameter count}{()}\n{PI-COI}{(FITS)}{String}{s}{}{}{()}{Name(s) of proposer(s)}{()}\n{PVn_ks}{(FITS)}{Double}{f}{}{}{()}{Coordinate projection parameter}{()}\n{RA}{(FITS)}{Double}{.6f}{}{}{()}{(deg) RA (J2000) pointing}{()}\n{RADECSYS}{(FITS)}{String}{s}{}{}{()}{Coordinate system}{()}\n{SIMPLE}{(FITS)}{Boolean}{c}{}{}{()}{Standard FITS}{()}\n{TBCOLn}{(FITS)}{Int32}{d}{}{}{()}{Number of first column of field <n>}{()}\n{TDISPn}{(FITS)}{String}{s}{}{}{()}{Recommended display of <n>}{()}\n{TELESCOP}{(FITS)}{String}{String}{}{}{()}{Telescope identifier}{()}\n{TFIELDS}{(FITS)}{Int32}{d}{}{}{()}{Number of fields per row}{()}\n{TFORMn}{(FITS)}{String}{s}{}{}{()}{Format of field n}{()}\n{TIMESYS}{(FITS)}{String}{s}{}{}{()}{Time system used}{()}\n{TNULLn}{(FITS)}{String}{s}{}{}{()}{Value used for NULL entries}{()}\n{TSCALn}{(FITS)}{Double}{e}{}{}{()}{real=table_value*TSCAL<n>+TZERO<n>}{()}\n{TTYPEn}{(FITS)}{String}{s}{}{}{()}{Name of field <n>}{()}\n{TUNITn}{(FITS)}{String}{s}{}{}{()}{Physical unit of field <n>}{()}\n{TZEROn}{(FITS)}{Double}{e}{}{}{()}{real=table_value*TSCAL<n>+TZERO<n>}{()}\n{UTC}{(FITS)}{Double}{.3f}{}{}{()}{(s) Universal Time UTC}{()}\n{XTENSION}{(FITS)}{String}{8s}{}{}{()}{FITS Extension first keyword}{()}";
