keyword = <default_val> comment datatype special processing FITS HDU
(special processing: O = optional; R = required; D = Default)
/ Standard parameters SIMPLE = T Data conform to FITS standard boolean D PRIMARY BITPIX = 0 bits per data value integer D PRIMARY NAXIS = 0 Number of axes integer D PRIMARY EXTEND = T file may contain standard extensions boolean D PRIMARY NEXTEND = Number of file extensions integer R PRIMARY / Basic parameters DATE = UTC date file created string R PRIMARY ORIGIN = STSCI institution responsible for creating FITS file string D PRIMARY TIMESYS = UTC principal time system for time-related keywords string D PRIMARY TIMEUNIT = s Default unit applicable to all time values string D PRIMARY FILENAME = Name of the file string R PRIMARY SDP_VER = Data Processing (DP) Software Version string R PRIMARY PRD_VER = S&OC Project Reference Database (PRD) Version string R PRIMARY OSS_VER = Observatory Scheduling Software (OSS) Version string R PRIMARY GSC_VER = Guide Star Catalog (GSC) Version string R PRIMARY CAL_VER = TBD Calibration Software Version string D PRIMARY CAL_VCS = TBD Calibration Software Repository Version string D PRIMARY TELESCOP = JWST telescope used to acquire the data string D PRIMARY HGA_MOVE = F High Gain Antenna moved during data collection boolean D PRIMARY HGA_STRT = Start time of HGA motion string O PRIMARY HGA_STOP = Stop time of HGA motion string O PRIMARY DATAMODL = Type of data model string O PRIMARY PWFSEET = 0 [d] previous WFS exposure end time in MJD float D PRIMARY NWFSEST = 0 [d] next WFS exposure start time in MJD float D PRIMARY COMPRESS = F On-board data compression was used (T/F) boolean D PRIMARY / Programmatic information TITLE = UNKNOWN Proposal title string D PRIMARY PI_NAME = UNKNOWN Principal investigator name string D PRIMARY CATEGORY = Program category string O PRIMARY SUBCAT = Program sub-category string O PRIMARY SCICAT = Science category assigned during TAC process string O PRIMARY CONT_ID = Continuation of previous program integer O PRIMARY / Observation identifiers OBS_ID = Programmatic observation identifier string R PRIMARY VISIT_ID = Visit identifier string R PRIMARY PROGRAM = Program number string R PRIMARY OBSERVTN = Observation number string R PRIMARY VISIT = Visit number string D PRIMARY OBSLABEL = Proposer label for the observation string O PRIMARY OBSFOLDR = Name of the APT observation folder string O PRIMARY DATE-OBS = UTC date at start of guiding data string R PRIMARY TIME-OBS = UTC time at start of guiding data string R PRIMARY DATE-BEG = Date-time start of data acquisition string R PRIMARY DATE-END = Date-time end of data acquisition string R PRIMARY / Visit information VISITYPE = Visit type string R PRIMARY VSTSTART = UTC visit start time string O PRIMARY VISITSTA = Status of a visit string O PRIMARY NEXPOSUR = Total number of planned exposures in visit integer R PRIMARY INTARGET = At least one exposure in visit is internal boolean O PRIMARY TARGOOPP = F Visit scheduled as target of opportunity boolean D PRIMARY TSOVISIT = Timer Series Observation visit indicator boolean R PRIMARY EXP_ONLY = F Special commanding without SI configuration boolean D PRIMARY CROWDFLD = F Are the FGSes in a crowded field? boolean D PRIMARY / Instrument configuration information INSTRUME = Instrument used to acquire the data string R PRIMARY DETECTOR = Name of detector used to acquire the data string R PRIMARY LAMP = Internal lamp state string O PRIMARY FOCUSPOS = 0.0 Focus position float D PRIMARY / Exposure parameters EXP_TYPE = Type of data in the exposure string R PRIMARY READPATT = Readout pattern string R PRIMARY NINTS = Number of integrations in exposure integer R PRIMARY EXSEGTOT = total number segments integer O PRIMARY EXSEGNUM = sequential segment number integer O PRIMARY INTSTART = Starting integration number in this segment integer O PRIMARY INTEND = Ending integration number in this segment integer O PRIMARY NGROUPS = Number of groups in integration integer R PRIMARY NFRAMES = Number of frames per group integer R PRIMARY GROUPGAP = Number of frames dropped between groups integer R PRIMARY NSAMPLES = Number of A/D samples per pixel integer D PRIMARY TSAMPLE = 10 [us] Time between samples float D PRIMARY TFRAME = [s] Time between frames float R PRIMARY TGROUP = [s] Time between groups float R PRIMARY EFFINTTM = [s] Effective integration time float R PRIMARY NRSTSTRT = Number of resets at start of exposure integer R PRIMARY NRESETS = Number of resets between integrations integer R PRIMARY ZEROFRAM = F Zero frame was downlinked separately boolean D PRIMARY DATAPROB = F Science telemetry indicated a problem boolean D PRIMARY SCA_NUM = Sensor Chip Assembly number integer R PRIMARY DATAMODE = post-processing method used in FPAP integer R PRIMARY FRMDIVSR = Divisor applied to frame-averaged groups integer R PRIMARY DRPFRMS1 = Number of frames dropped prior to first integration integer R PRIMARY DRPFRMS3 = Number of frames dropped between integrations integer R PRIMARY NOUTPUTS = Number of detector outputs used integer O PRIMARY DURATION = [s] Total duration of guiding data in file float R PRIMARY / Subarray parameters SUBARRAY = Subarray used string R PRIMARY SUBSTRT1 = Starting pixel in axis 1 direction integer R PRIMARY SUBSTRT2 = Starting pixel in axis 2 direction integer R PRIMARY SUBSIZE1 = Number of pixels in axis 1 direction integer R PRIMARY SUBSIZE2 = Number of pixels in axis 2 direction integer R PRIMARY FASTAXIS = Fast readout axis direction integer R PRIMARY SLOWAXIS = Slow readout axis direction integer R PRIMARY DETXCOR = Starting pixel in detector x-axis direction integer R PRIMARY DETXSIZ = Number of pixels in detector x-axis direction integer R PRIMARY DETYCOR = Starting pixel in detector y-axis direction integer R PRIMARY DETYSIZ = Number of pixels in detector y-axis direction integer R PRIMARY / Aperture information APERNAME = S&OC PRD science aperture used string R PRIMARY PPS_APER = original AperName supplied by PPS string R PRIMARY / Velocity aberration correction information VA_RA = [deg] Velocity aberrated apparent reference RA float O PRIMARY VA_DEC = [deg] Velocity aberrated apparent reference Dec float O PRIMARY / Reference file information CRDS_VER = Version of CRDS file selection software used string O PRIMARY CRDS_CTX = CRDS context (.pmap) used to select ref files string O PRIMARY R_AREA = Pixel area reference file name string O PRIMARY R_BARSHA = NIRSpec bar shadow reference file name string O PRIMARY R_CAMERA = Nirspec Camera reference file name string O PRIMARY R_COLLIM = Nirspec Collimator reference file name string O PRIMARY R_CUBPAR = IFU cube parameters reference file name string O PRIMARY R_DARK = Dark reference file name string O PRIMARY R_DFLAT = Detector Flat reference file name string O PRIMARY R_DISPER = Disperser reference file name string O PRIMARY R_DISTOR = Distortion reference file name string O PRIMARY R_DRZPAR = Drizzle parameters reference file name string O PRIMARY R_MIREMI = MIRI EMI correction reference file name string O PRIMARY R_EXTR1D = 1-D extraction parameters reference file name string O PRIMARY R_FFLAT = Fore-optics Flat reference file name string O PRIMARY R_FILOFF = Filter Offset reference file name string O PRIMARY R_FLAT = Flat reference file name string O PRIMARY R_FORE = Nirspec FORE Model reference file name string O PRIMARY R_FPA = Nirspec FPA Model reference file name string O PRIMARY R_FRINGE = MRS Fringe reference file name string O PRIMARY R_FRIFRQ = MRS Fringe Frequency reference file name string O PRIMARY R_GAIN = Gain reference file name string O PRIMARY R_IFUFOR = ifufore reference file name string O PRIMARY R_IFUPOS = ifupost reference file name string O PRIMARY R_IFUSLI = ifuslicer reference file name string O PRIMARY R_IPC = IPC reference file name string O PRIMARY R_LASTFR = Last Frame reference file name string O PRIMARY R_LINEAR = Linearity reference file name string O PRIMARY R_MASK = Mask reference file name string O PRIMARY R_MRSPT = MRS point source correction reference file name string O PRIMARY R_MSA = Nirspec MSA Model reference file name string O PRIMARY R_MSAOPE = MSA operability reference file name string O PRIMARY R_OTE = Nirspec OTE Model reference file name string O PRIMARY R_PERSAT = Persistence saturation reference file name string O PRIMARY R_PHOTOM = Photometric reference file name string O PRIMARY R_PSFMAS = PSF mask reference file name string O PRIMARY R_PTHLOS = Pathloss reference file name string O PRIMARY R_READNO = Read noise reference file name string O PRIMARY R_REFPIX = Reference pixels reference file name string O PRIMARY R_REGION = Regions reference file name string O PRIMARY R_RESAMP = Resample parameters reference file name string O PRIMARY R_RESET = Reset reference file name string O PRIMARY R_RESOL = MRS Resolution reference file name string O PRIMARY R_RSCD = RSCD reference file name string O PRIMARY R_SATURA = Saturation reference file name string O PRIMARY R_SFLAT = Spectrograph Flat reference file name string O PRIMARY R_SPKERN = Spectral convolution kernel reference file name string O PRIMARY R_SPPROF = Spectral profile reference file name string O PRIMARY R_SPTRAC = Spectral trace reference file name string O PRIMARY R_SPCWCS = Spectral distortion reference file name string O PRIMARY R_STRAY = MRS Straylight reference file name string O PRIMARY R_MRSXAR = MRS Cross-Artifact Correction ref file name string O PRIMARY R_SUPERB = Superbias reference file name string O PRIMARY R_THRPUT = Filter throughput reference file name string O PRIMARY R_TRPDEN = Trap density reference file name string O PRIMARY R_TRPPAR = Trap parameters reference file name string O PRIMARY R_TSPHOT = TSO imaging photometry reference file name string O PRIMARY R_V2V3 = V2_V3 Model reference file name string O PRIMARY R_WAVCOR = Zero-point wavelength correction ref file name string O PRIMARY R_WAVRAN = Wavelength Range reference file name string O PRIMARY R_WAVMAP = Wavelength map reference file name string O PRIMARY / Calibration step information S_AMIANA = AMI Fringe Analysis string O PRIMARY S_AMIAVG = AMI Fringe Averaging string O PRIMARY S_AMINOR = AMI Fringe Normalization string O PRIMARY S_BARSHA = NIRSpec bar shadow correction string O PRIMARY S_BKDSUB = Background subtraction string O PRIMARY S_CHGMIG = Charge Migration string O PRIMARY S_COMB1D = 1-D Spectral Combination string O PRIMARY S_DARK = Dark Subtraction string O PRIMARY S_DQINIT = Data Quality Initialization string O PRIMARY S_ERRINI = Error Initialization string O PRIMARY S_EXTR1D = 1-D Spectral Extraction string O PRIMARY S_EXTR2D = 2-D Spectral Extraction string O PRIMARY S_FRSTFR = First Frame Correction string O PRIMARY S_FLAT = Flat Field Correction string O PRIMARY S_FRINGE = Fringe Correction string O PRIMARY S_GANSCL = Gain Scale Correction string O PRIMARY S_GRPSCL = Group scale Correction string O PRIMARY S_GUICDS = Guide Mode CDS computation string O PRIMARY S_IFUCUB = IFU Cube Creation string O PRIMARY S_IMPRNT = NIRSpec MSA Imprint Subtraction string O PRIMARY S_IPC = Interpixel Capacitance Correction string O PRIMARY S_JUMP = Jump Detection string O PRIMARY S_KLIP = Coronagraphic PSF Subtraction string O PRIMARY S_LASTFR = Last Frame Correction string O PRIMARY S_LINEAR = Linearity Correction string O PRIMARY S_MRSMAT = MIRI MRS background matching string O PRIMARY S_MSAFLG = NIRSpec MSA Stuck Shutter Flagging string O PRIMARY S_MSBSUB = Master Background Subtraction string O PRIMARY S_MTWCS = Assign Moving Target World Coordinate System string O PRIMARY S_NSCLEN = NIRSpec 1/f Noise Correction string O PRIMARY S_OUTLIR = Outlier Detection string O PRIMARY S_PTHLOS = Pathloss Correction string O PRIMARY S_PERSIS = Persistence Correction string O PRIMARY S_PHOTOM = Photometric Calibration string O PRIMARY S_PSFALI = Coronagraphic PSF Alignment string O PRIMARY S_PSFSTK = Coronagraphic PSF Stacking string O PRIMARY S_PXREPL = Pixel Replacement string O PRIMARY S_RAMP = Ramp Fitting string O PRIMARY S_REFPIX = Reference Pixel Correction string O PRIMARY S_RESAMP = Image resampling string O PRIMARY S_RESET = Reset Anomaly Correction string O PRIMARY S_RESFRI = Residual Fringe Correction string O PRIMARY S_RSCD = RSCD correction string O PRIMARY S_SATURA = Saturation Checking string O PRIMARY S_SKYMAT = Sky Background Equalization or Subtraction string O PRIMARY S_SPLEAK = MIRI MRS spectral_leak string O PRIMARY S_SRCCAT = Source Photometry and Morphology string O PRIMARY S_SRCTYP = Source Type Determination string O PRIMARY S_STRAY = Straylight Correction string O PRIMARY S_SUPERB = Superbias Subtraction string O PRIMARY S_TELEMI = Telescope Emission Correction string O PRIMARY S_TSPHOT = TSO Imaging Photometry string O PRIMARY S_TWKREG = Image Alignment via Astronomical Sources string O PRIMARY S_WAVCOR = NIRSpec wavelength correction string O PRIMARY S_WCS = Assign World Coordinate System string O PRIMARY S_WFSCOM = Wavefront Sensing Combination string O PRIMARY S_WHTLIT = TSO White-Light Curve string O PRIMARY / Guide star information GS_ORDER = 1 index of guide star within list of selected guide stars integer D PRIMARY GSSTRTTM = UTC time when guide star activity started string O PRIMARY GSENDTIM = UTC time when guide star activity completed string O PRIMARY GDSTARID = guide star identifier string O PRIMARY GS_RA = guide star right ascension float O PRIMARY GS_DEC = guide star declination float O PRIMARY GS_URA = guide star right ascension uncertainty float O PRIMARY GS_UDEC = guide star declination uncertainty float O PRIMARY GS_MAG = guide star magnitude float O PRIMARY GS_UMAG = guide star magnitude uncertainty float O PRIMARY GS_V3_PA = V3 Position Angle of guide star for science float O PRIMARY PCS_MODE = Pointing Control System mode string O PRIMARY VISITEND = Observatory UTC time when the visit ended. string O PRIMARY GF_START = Observatory UTC time when the guider function started. string O PRIMARY GF_END = Observatory UTC time when the guider function ended. string O PRIMARY DATASTRT = [d] MJD start time of guider data in this file float R PRIMARY DATAEND = [d] MJD end time of guider data in this file float R PRIMARY ENG_QUAL = OK engineering DB data quality indicator string D PRIMARY GSACSTAT = Guide star acquisition execution status string O PRIMARY GS_EPOCH = Epoch of guide star coordinates string O PRIMARY GS_MURA = Guide star IRCS right ascension proper motion float O PRIMARY GS_MUDEC = Guide star ICRS declination proper motion float O PRIMARY GS_PARA = Guide star annual parallax float O PRIMARY GSCENTX = [arcsec] GuideStar x centroid (FGS ideal frame) float O PRIMARY GSCENTY = [arcsec] GuideStar y centroid (FGS ideal frame) float O PRIMARY / SCI XTENSION = IMAGE FITS extension type string D SCI BITPIX = 16 bits per data value integer D SCI NAXIS = 4 Number of axes integer D SCI NAXIS1 = Size of the axis integer R SCI NAXIS2 = Size of the axis integer R SCI NAXIS3 = Size of the axis integer R SCI NAXIS4 = Size of the axis integer O SCI PCOUNT = 0 number of parameter bytes following data table integer D SCI GCOUNT = 1 number of groups integer D SCI BSCALE = 1.0 scale factor for array value to physical value float D SCI BZERO = 32768 physical value for an array value of zero integer D SCI BUNIT = DN physical units of the data array values string D SCI EXTNAME = SCI EXTNAME of the extension containing image string D SCI EXTVER = Extension version number integer R SCI RADESYS = ICRS Name of the coordinate reference frame string D SCI REFFRAME = EME2000 Ephemeris reference frame (EME2000) string D SCI EPH_TYPE = Predicted Definitive or Predicted string D SCI EPH_TIME = [d] MJD time of position and velocity vectors float R SCI JWST_X = [km] barycentric JWST X coordinate at MJD-AVG float R SCI JWST_Y = [km] barycentric JWST Y coordinate at MJD-AVG float R SCI JWST_Z = [km] barycentric JWST Z coordinate at MJD-AVG float R SCI OBSGEO-X = [m] geocentric JWST X coordinate at MJD-AVG float R SCI OBSGEO-Y = [m] geocentric JWST Y coordinate at MJD-AVG float R SCI OBSGEO-Z = [m] geocentric JWST Z coordinate at MJD-AVG float R SCI JWST_DX = [km/s] barycentric JWST X velocity at MJD-AVG float R SCI JWST_DY = [km/s] barycentric JWST Y velocity at MJD-AVG float R SCI JWST_DZ = [km/s] barycentric JWST Z velocity at MJD-AVG float R SCI OBSGEODX = [m/s] geocentric JWST X velocity at MJD-AVG float R SCI OBSGEODY = [m/s] geocentric JWST Y velocity at MJD-AVG float R SCI OBSGEODZ = [m/s] geocentric JWST Z velocity at MJD-AVG float R SCI PA_APER = 0 Position angle of aperture used (deg) float D SCI VA_SCALE = Velocity aberration scale factor float O SCI / SCI - WCS Parameters WCSAXES = 2 number of World Coordinate System axes integer D SCI CRPIX1 = 0.0 Axis 1 pixel coordinate of ref point, 1-indexed float D SCI CRPIX2 = 0.0 Axis 2 pixel coordinate of ref point, 1-indexed float D SCI CRPIX3 = Axis 3 pixel coordinate of ref point, 1-indexed float O SCI CRVAL1 = 0.0 Axis 1 coordinate value at reference point float D SCI CRVAL2 = 0.0 Axis 2 coordinate value at reference point float D SCI CRVAL3 = Axis 3 coordinate value at reference point float O SCI CTYPE1 = RA---TAN Axis 1 type string D SCI CTYPE2 = DEC--TAN Axis 2 type string D SCI CTYPE3 = Axis 3 type string O SCI CUNIT1 = deg Axis 1 units string D SCI CUNIT2 = deg Axis 2 units string D SCI CUNIT3 = Axis 3 units string O SCI CDELT1 = 1.0 Axis 1 coordinate increment at reference point float D SCI CDELT2 = 1.0 Axis 2 coordinate increment at reference point float D SCI CDELT3 = Axis 3 coordinate increment at reference point float O SCI PC1_1 = -1.0 Linear transformation matrix float D SCI PC1_2 = 0 Linear transformation matrix float D SCI PC1_3 = 0.0 Linear transformation matrix float D SCI PC2_1 = 0 Linear transformation matrix float D SCI PC2_2 = 1 Linear transformation matrix float D SCI PC2_3 = 0.0 Linear transformation matrix float D SCI PC3_1 = Linear transformation matrix float O SCI PC3_2 = Linear transformation matrix float O SCI PC3_3 = Linear transformation matrix float O SCI S_REGION = spatial extent of the observation, footprint string O SCI VPARITY = 1 Parity (sense) of aperture settings (1, -1) integer D SCI V3I_YANG = 0.0 Direction angle in V3 (Y) float D SCI WAVSTART = Lower bound of the default wavelength range float O SCI WAVEND = Upper bound of the default wavelength range float O SCI SPORDER = Default spectral order integer O SCI PS3_0 = Coordinate table extension name string O SCI PS3_1 = Coordinate table column name string O SCI CD1_1 = Linear transformation matrix element float O SCI CD1_2 = Linear transformation matrix element float O SCI CD2_1 = Linear transformation matrix element float O SCI CD2_2 = Linear transformation matrix element float O SCI A_ORDER = Degree of forward SIP polynomial integer O SCI B_ORDER = Degree of forward SIP polynomial integer O SCI AP_ORDER = Degree of inverse SIP polynomial integer O SCI BP_ORDER = Degree of inverse SIP polynomial integer O SCI A_0_2 = SIP coefficient, forward transform float O SCI A_0_3 = SIP coefficient, forward transform float O SCI A_0_4 = SIP coefficient, forward transform float O SCI A_0_5 = SIP coefficient, forward transform float O SCI A_0_6 = SIP coefficient, forward transform float O SCI A_1_1 = SIP coefficient, forward transform float O SCI A_1_2 = SIP coefficient, forward transform float O SCI A_1_3 = SIP coefficient, forward transform float O SCI A_1_4 = SIP coefficient, forward transform float O SCI A_1_5 = SIP coefficient, forward transform float O SCI A_2_0 = SIP coefficient, forward transform float O SCI A_2_1 = SIP coefficient, forward transform float O SCI A_2_2 = SIP coefficient, forward transform float O SCI A_2_3 = SIP coefficient, forward transform float O SCI A_2_4 = SIP coefficient, forward transform float O SCI A_3_0 = SIP coefficient, forward transform float O SCI A_3_1 = SIP coefficient, forward transform float O SCI A_3_2 = SIP coefficient, forward transform float O SCI A_3_3 = SIP coefficient, forward transform float O SCI A_4_0 = SIP coefficient, forward transform float O SCI A_4_1 = SIP coefficient, forward transform float O SCI A_4_2 = SIP coefficient, forward transform float O SCI A_5_0 = SIP coefficient, forward transform float O SCI A_5_1 = SIP coefficient, forward transform float O SCI A_6_0 = SIP coefficient, forward transform float O SCI B_0_2 = SIP coefficient, forward transform float O SCI B_0_3 = SIP coefficient, forward transform float O SCI B_0_4 = SIP coefficient, forward transform float O SCI B_0_5 = SIP coefficient, forward transform float O SCI B_0_6 = SIP coefficient, forward transform float O SCI B_1_1 = SIP coefficient, forward transform float O SCI B_1_2 = SIP coefficient, forward transform float O SCI B_1_3 = SIP coefficient, forward transform float O SCI B_1_4 = SIP coefficient, forward transform float O SCI B_1_5 = SIP coefficient, forward transform float O SCI B_2_0 = SIP coefficient, forward transform float O SCI B_2_1 = SIP coefficient, forward transform float O SCI B_2_2 = SIP coefficient, forward transform float O SCI B_2_3 = SIP coefficient, forward transform float O SCI B_2_4 = SIP coefficient, forward transform float O SCI B_3_0 = SIP coefficient, forward transform float O SCI B_3_1 = SIP coefficient, forward transform float O SCI B_3_2 = SIP coefficient, forward transform float O SCI B_3_3 = SIP coefficient, forward transform float O SCI B_4_0 = SIP coefficient, forward transform float O SCI B_4_1 = SIP coefficient, forward transform float O SCI B_4_2 = SIP coefficient, forward transform float O SCI B_5_0 = SIP coefficient, forward transform float O SCI B_5_1 = SIP coefficient, forward transform float O SCI B_6_0 = SIP coefficient, forward transform float O SCI AP_0_2 = SIP coefficient, inverse transform float O SCI AP_0_3 = SIP coefficient, inverse transform float O SCI AP_0_4 = SIP coefficient, inverse transform float O SCI AP_0_5 = SIP coefficient, inverse transform float O SCI AP_0_6 = SIP coefficient, inverse transform float O SCI AP_1_1 = SIP coefficient, inverse transform float O SCI AP_1_2 = SIP coefficient, inverse transform float O SCI AP_1_3 = SIP coefficient, inverse transform float O SCI AP_1_4 = SIP coefficient, inverse transform float O SCI AP_1_5 = SIP coefficient, inverse transform float O SCI AP_2_0 = SIP coefficient, inverse transform float O SCI AP_2_1 = SIP coefficient, inverse transform float O SCI AP_2_2 = SIP coefficient, inverse transform float O SCI AP_2_3 = SIP coefficient, inverse transform float O SCI AP_2_4 = SIP coefficient, inverse transform float O SCI AP_3_0 = SIP coefficient, inverse transform float O SCI AP_3_1 = SIP coefficient, inverse transform float O SCI AP_3_2 = SIP coefficient, inverse transform float O SCI AP_3_3 = SIP coefficient, inverse transform float O SCI AP_4_0 = SIP coefficient, inverse transform float O SCI AP_4_1 = SIP coefficient, inverse transform float O SCI AP_4_2 = SIP coefficient, inverse transform float O SCI AP_5_0 = SIP coefficient, inverse transform float O SCI AP_5_1 = SIP coefficient, inverse transform float O SCI AP_6_0 = SIP coefficient, inverse transform float O SCI BP_0_2 = SIP coefficient, inverse transform float O SCI BP_0_3 = SIP coefficient, inverse transform float O SCI BP_0_4 = SIP coefficient, inverse transform float O SCI BP_0_5 = SIP coefficient, inverse transform float O SCI BP_0_6 = SIP coefficient, inverse transform float O SCI BP_1_1 = SIP coefficient, inverse transform float O SCI BP_1_2 = SIP coefficient, inverse transform float O SCI BP_1_3 = SIP coefficient, inverse transform float O SCI BP_1_4 = SIP coefficient, inverse transform float O SCI BP_1_5 = SIP coefficient, inverse transform float O SCI BP_2_0 = SIP coefficient, inverse transform float O SCI BP_2_1 = SIP coefficient, inverse transform float O SCI BP_2_2 = SIP coefficient, inverse transform float O SCI BP_2_3 = SIP coefficient, inverse transform float O SCI BP_2_4 = SIP coefficient, inverse transform float O SCI BP_3_0 = SIP coefficient, inverse transform float O SCI BP_3_1 = SIP coefficient, inverse transform float O SCI BP_3_2 = SIP coefficient, inverse transform float O SCI BP_3_3 = SIP coefficient, inverse transform float O SCI BP_4_0 = SIP coefficient, inverse transform float O SCI BP_4_1 = SIP coefficient, inverse transform float O SCI BP_4_2 = SIP coefficient, inverse transform float O SCI BP_5_0 = SIP coefficient, inverse transform float O SCI BP_5_1 = SIP coefficient, inverse transform float O SCI BP_6_0 = SIP coefficient, inverse transform float O SCI / GROUPDQ XTENSION = IMAGE FITS extension type string D GROUPDQ BITPIX = 8 bits per data value integer D GROUPDQ NAXIS = Number of axes integer R GROUPDQ NAXIS1 = Size of the axis integer R GROUPDQ NAXIS2 = Size of the axis integer R GROUPDQ NAXIS3 = Size of the axis integer R GROUPDQ NAXIS4 = Size of the axis integer O GROUPDQ PCOUNT = 0 number of parameter bytes following data table integer D GROUPDQ GCOUNT = 1 number of groups integer D GROUPDQ EXTNAME = GROUPDQ EXTNAME of the extension containing image string D GROUPDQ EXTVER = 1 Extension version number integer D GROUPDQ END