Semantics of FITS file WFPC2ASSNu5780205bx.fits

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comment Semantics of "FITS file WFPC2ASSNu5780205bx.fits": Described from its headers, by archive-manager's RepInfo Tools (FITS Standard 4.0, https://fits.gsfc.nasa.gov/fits_standard.html): 1 HDU. hdu1: HDU 1, the primary HDU, a 100 x 100 array Each header is a record of its keyword records, 80 characters each, with what each keyword means from the FITS Standard's dictionary; each table's columns and each image's pixels are typed, named and given units, scale, offset and fill value as the header says. - hdu1_header: Header of HDU 1, the primary HDU, a 100 x 100 array: The header of HDU 1, the primary HDU, a 100 x 100 array: 258 keyword records of 80 ASCII characters, the last END, in 8 blocks. - hdu1_header.simple: SIMPLE: The value field shall contain a logical constant with the value T if the file conforms to this Standard. This keyword is mandatory for the primary header and must not appear in extension headers.7 A value of F signifies that the file does not conform to this Standard. This record's comment: "file does conform to FITS standard" - hdu1_header.bitpix: BITPIX: The value field shall contain an integer. The absolute value is used in computing the sizes of data structures. It shall specify the number of bits that represent a data value in the associated data array. The only valid values of BITPIX are 8 (character or unsigned binary integer), 16, 32 and 64 (two's complement binary integers of that many bits), -32 (IEEE single-precision floating point) and -64 (IEEE double-precision floating point). This record's comment: "number of bits per data pixel" - hdu1_header.naxis: NAXIS: The value field shall contain a non-negative integer no greater than 999 representing the number of axes in the associated data array. A value of zero signifies that no data follow the header in the HDU. This record's comment: "number of data axes" - hdu1_header.naxis1: NAXIS1: The NAXISn keywords must be present for all values n = 1, . . . , NAXIS, in increasing order of n, and for no other values of n. The value field of this indexed keyword shall contain a non-negative integer representing the number of elements along Axis n of a data array. This record's comment: "length of data axis 1" - hdu1_header.naxis2: NAXIS2: The NAXISn keywords must be present for all values n = 1, . . . , NAXIS, in increasing order of n, and for no other values of n. The value field of this indexed keyword shall contain a non-negative integer representing the number of elements along Axis n of a data array. This record's comment: "length of data axis 2" - hdu1_header.extend: EXTEND: The value field shall contain a logical value indicating whether the FITS file is allowed to contain conforming extensions following the primary HDU. This record's comment: "FITS dataset may contain extensions" - hdu1_header.comment: COMMENT: This keyword may be used to supply any comments regarding the FITS file. - hdu1_header.comment_2: COMMENT: This keyword may be used to supply any comments regarding the FITS file. - hdu1_header.origin: ORIGIN: The value field shall contain a character string identifying the organization or institution responsible for creating the FITS file. This record's comment: "FITS file originator" - hdu1_header.date: DATE: The value field shall contain a character string giving the date on which the HDU was created, in the form YYYY-MM-DD, or the date and time when the HDU was created, in the form YYYY-MM-DDThh:mm:ss[.sss. . . ], where YYYY shall be the four-digit calendar year number, MM the two-digit month number with January given by 01 and December by 12, and DD the day of the month; hh:mm:ss[.sss...] is the time of day. This record's comment: "Date FITS file was generated" - hdu1_header.iraf_tlm: IRAF-TLM: A keyword the FITS Standard doesn't define. This record's comment: "Time of last modification" - hdu1_header.object: OBJECT: The value field shall contain a character string giving a name for the object observed. This record's comment: "Name of the object observed" - hdu1_header.crval1: CRVAL1: World-coordinate value at the reference point of Axis i. - hdu1_header.crval2: CRVAL2: World-coordinate value at the reference point of Axis i. - hdu1_header.crpix1: CRPIX1: Location of the reference point in the image for Axis j corresponding to r j in Eq. (9). Note that the reference point may lie outside the image and that the first pixel in the image has pixel coordinates (1.0, 1.0, . . .). - hdu1_header.crpix2: CRPIX2: Location of the reference point in the image for Axis j corresponding to r j in Eq. (9). Note that the reference point may lie outside the image and that the first pixel in the image has pixel coordinates (1.0, 1.0, . . .). - hdu1_header.cd1_1: CD1_1: Linear transformation matrix (with scale) between Pixel Axes j and Intermediate-coordinate Axes i. This nomenclature is used in place of PCi_j and CDELTi, combining the rotation and the scale. - hdu1_header.cd1_2: CD1_2: Linear transformation matrix (with scale) between Pixel Axes j and Intermediate-coordinate Axes i. This nomenclature is used in place of PCi_j and CDELTi, combining the rotation and the scale. - hdu1_header.cd2_1: CD2_1: Linear transformation matrix (with scale) between Pixel Axes j and Intermediate-coordinate Axes i. This nomenclature is used in place of PCi_j and CDELTi, combining the rotation and the scale. - hdu1_header.cd2_2: CD2_2: Linear transformation matrix (with scale) between Pixel Axes j and Intermediate-coordinate Axes i. This nomenclature is used in place of PCi_j and CDELTi, combining the rotation and the scale. - hdu1_header.mir_revr: MIR_REVR: A keyword the FITS Standard doesn't define. - hdu1_header.orientat: ORIENTAT: A keyword the FITS Standard doesn't define. - hdu1_header.fillcnt: FILLCNT: A keyword the FITS Standard doesn't define. - hdu1_header.errcnt: ERRCNT: A keyword the FITS Standard doesn't define. - hdu1_header.fpkttime: FPKTTIME: A keyword the FITS Standard doesn't define. - hdu1_header.lpkttime: LPKTTIME: A keyword the FITS Standard doesn't define. - hdu1_header.ctype1: CTYPE1: Type for the Intermediate-coordinate Axis i. Any coordinate type that is not covered by this Standard or an officially recognized FITS convention shall be taken to be linear. - hdu1_header.ctype2: CTYPE2: Type for the Intermediate-coordinate Axis i. Any coordinate type that is not covered by this Standard or an officially recognized FITS convention shall be taken to be linear. - hdu1_header.detector: DETECTOR: A keyword the FITS Standard doesn't define. - hdu1_header.dezero: DEZERO: A keyword the FITS Standard doesn't define. - hdu1_header.biaseven: BIASEVEN: A keyword the FITS Standard doesn't define. - hdu1_header.biasodd: BIASODD: A keyword the FITS Standard doesn't define. - hdu1_header.goodmin: GOODMIN: A keyword the FITS Standard doesn't define. - hdu1_header.goodmax: GOODMAX: A keyword the FITS Standard doesn't define. - hdu1_header.datamean: DATAMEAN: A keyword the FITS Standard doesn't define. - hdu1_header.gpixels: GPIXELS: A keyword the FITS Standard doesn't define. - hdu1_header.softerrs: SOFTERRS: A keyword the FITS Standard doesn't define. - hdu1_header.calibdef: CALIBDEF: A keyword the FITS Standard doesn't define. - hdu1_header.staticd: STATICD: A keyword the FITS Standard doesn't define. - hdu1_header.atodsat: ATODSAT: A keyword the FITS Standard doesn't define. - hdu1_header.datalost: DATALOST: A keyword the FITS Standard doesn't define. - hdu1_header.badpixel: BADPIXEL: A keyword the FITS Standard doesn't define. - hdu1_header.overlap: OVERLAP: A keyword the FITS Standard doesn't define. - hdu1_header.photmode: PHOTMODE: A keyword the FITS Standard doesn't define. - hdu1_header.photflam: PHOTFLAM: A keyword the FITS Standard doesn't define. - hdu1_header.photzpt: PHOTZPT: A keyword the FITS Standard doesn't define. - hdu1_header.photplam: PHOTPLAM: A keyword the FITS Standard doesn't define. - hdu1_header.photbw: PHOTBW: A keyword the FITS Standard doesn't define. - hdu1_header.median: MEDIAN: A keyword the FITS Standard doesn't define. - hdu1_header.medshado: MEDSHADO: A keyword the FITS Standard doesn't define. - hdu1_header.histwide: HISTWIDE: A keyword the FITS Standard doesn't define. - hdu1_header.skewness: SKEWNESS: A keyword the FITS Standard doesn't define. - hdu1_header.meanc10: MEANC10: A keyword the FITS Standard doesn't define. - hdu1_header.meanc25: MEANC25: A keyword the FITS Standard doesn't define. - hdu1_header.meanc50: MEANC50: A keyword the FITS Standard doesn't define. - hdu1_header.meanc100: MEANC100: A keyword the FITS Standard doesn't define. - hdu1_header.meanc200: MEANC200: A keyword the FITS Standard doesn't define. - hdu1_header.meanc300: MEANC300: A keyword the FITS Standard doesn't define. - hdu1_header.backgrnd: BACKGRND: A keyword the FITS Standard doesn't define. - hdu1_header.filetype: FILETYPE: A keyword the FITS Standard doesn't define. This record's comment: "type of data found in data file" - hdu1_header.blank: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.telescop: TELESCOP: The value field shall contain a character string identifying the telescope used to acquire the data associated with the header. This record's comment: "telescope used to acquire data" - hdu1_header.instrume: INSTRUME: The value field shall contain a character string identifying the instrument used to acquire the data associated with the header. This record's comment: "identifier for instrument used to acquire data" - hdu1_header.equinox: EQUINOX: The epoch of the mean equator and equinox, in years, for celestial coordinate systems based on a mean equator and equinox (FK4, FK5); EQUINOXa for an alternate coordinate description a. This record's comment: "equinox of celestial coord. system" - hdu1_header.blank_2: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_3: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_4: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.rootname: ROOTNAME: A keyword the FITS Standard doesn't define. This record's comment: "rootname of the observation set" - hdu1_header.proctime: PROCTIME: A keyword the FITS Standard doesn't define. This record's comment: "Pipeline processing time (MJD)" - hdu1_header.opus_ver: OPUS_VER: A keyword the FITS Standard doesn't define. This record's comment: "OPUS software system version number" - hdu1_header.cal_ver: CAL_VER: A keyword the FITS Standard doesn't define. This record's comment: "CALWP2 code version" - hdu1_header.blank_5: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_6: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_7: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.mode: MODE: A keyword the FITS Standard doesn't define. This record's comment: "instr. mode: FULL (full res.), AREA (area int.)" - hdu1_header.serials: SERIALS: A keyword the FITS Standard doesn't define. This record's comment: "serial clocks: ON, OFF" - hdu1_header.blank_8: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_9: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_10: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.imagetyp: IMAGETYP: A keyword the FITS Standard doesn't define. This record's comment: "DARK/BIAS/IFLAT/UFLAT/VFLAT/KSPOT/EXT/ECAL" - hdu1_header.cdbsfile: CDBSFILE: A keyword the FITS Standard doesn't define. This record's comment: "GENERIC/BIAS/DARK/PREF/FLAT/MASK/ATOD/NO" - hdu1_header.pktfmt: PKTFMT: A keyword the FITS Standard doesn't define. This record's comment: "packet format code" - hdu1_header.blank_11: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_12: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_13: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.filtnam1: FILTNAM1: A keyword the FITS Standard doesn't define. This record's comment: "first filter name" - hdu1_header.filtnam2: FILTNAM2: A keyword the FITS Standard doesn't define. This record's comment: "second filter name" - hdu1_header.filter1: FILTER1: A keyword the FITS Standard doesn't define. This record's comment: "first filter number (0-48)" - hdu1_header.filter2: FILTER2: A keyword the FITS Standard doesn't define. This record's comment: "second filter number (0-48)" - hdu1_header.filtrot: FILTROT: A keyword the FITS Standard doesn't define. This record's comment: "partial filter rotation angle (degrees)" - hdu1_header.lrfwave: LRFWAVE: A keyword the FITS Standard doesn't define. This record's comment: "linear ramp filter wavelength" - hdu1_header.blank_14: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_15: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_16: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.uch1cjtm: UCH1CJTM: A keyword the FITS Standard doesn't define. This record's comment: "TEC cold junction #1 temperature (Celsius)" - hdu1_header.uch2cjtm: UCH2CJTM: A keyword the FITS Standard doesn't define. This record's comment: "TEC cold junction #2 temperature (Celsius)" - hdu1_header.uch3cjtm: UCH3CJTM: A keyword the FITS Standard doesn't define. This record's comment: "TEC cold junction #3 temperature (Celsius)" - hdu1_header.uch4cjtm: UCH4CJTM: A keyword the FITS Standard doesn't define. This record's comment: "TEC cold junction #4 temperature (Celsius)" - hdu1_header.ubay3tmp: UBAY3TMP: A keyword the FITS Standard doesn't define. This record's comment: "bay 3 A1 temperature (deg C)" - hdu1_header.kspots: KSPOTS: A keyword the FITS Standard doesn't define. This record's comment: "Status of Kelsall spot lamps: ON, OFF" - hdu1_header.shutter: SHUTTER: A keyword the FITS Standard doesn't define. This record's comment: "Shutter in place at beginning of the exposure" - hdu1_header.atodgain: ATODGAIN: A keyword the FITS Standard doesn't define. This record's comment: "Analog to Digital Gain (Electrons/DN)" - hdu1_header.blank_17: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_18: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_19: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.maskcorr: MASKCORR: A keyword the FITS Standard doesn't define. This record's comment: "Do mask correction: PERFORM, OMIT, COMPLETE" - hdu1_header.atodcorr: ATODCORR: A keyword the FITS Standard doesn't define. This record's comment: "Do A-to-D correction: PERFORM, OMIT, COMPLETE" - hdu1_header.blevcorr: BLEVCORR: A keyword the FITS Standard doesn't define. This record's comment: "Do bias level correction" - hdu1_header.biascorr: BIASCORR: A keyword the FITS Standard doesn't define. This record's comment: "Do bias correction: PERFORM, OMIT, COMPLETE" - hdu1_header.darkcorr: DARKCORR: A keyword the FITS Standard doesn't define. This record's comment: "Do dark correction: PERFORM, OMIT, COMPLETE" - hdu1_header.flatcorr: FLATCORR: A keyword the FITS Standard doesn't define. This record's comment: "Do flat field correction" - hdu1_header.shadcorr: SHADCORR: A keyword the FITS Standard doesn't define. This record's comment: "Do shaded shutter correction" - hdu1_header.dosatmap: DOSATMAP: A keyword the FITS Standard doesn't define. This record's comment: "Output saturated pixel map" - hdu1_header.dophotom: DOPHOTOM: A keyword the FITS Standard doesn't define. This record's comment: "Fill photometry keywords" - hdu1_header.dohistos: DOHISTOS: A keyword the FITS Standard doesn't define. This record's comment: "Make histograms: PERFORM, OMIT, COMPLETE" - hdu1_header.outdtype: OUTDTYPE: A keyword the FITS Standard doesn't define. This record's comment: "Output image datatype: REAL, LONG, SHORT" - hdu1_header.blank_20: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_21: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_22: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.maskfile: MASKFILE: A keyword the FITS Standard doesn't define. This record's comment: "name of the input DQF of known bad pixels" - hdu1_header.atodfile: ATODFILE: A keyword the FITS Standard doesn't define. This record's comment: "name of the A-to-D conversion file" - hdu1_header.blevfile: BLEVFILE: A keyword the FITS Standard doesn't define. This record's comment: "Engineering file with extended register da" - hdu1_header.blevdfil: BLEVDFIL: A keyword the FITS Standard doesn't define. This record's comment: "Engineering file DQF" - hdu1_header.biasfile: BIASFILE: A keyword the FITS Standard doesn't define. This record's comment: "name of the bias frame reference file" - hdu1_header.biasdfil: BIASDFIL: A keyword the FITS Standard doesn't define. This record's comment: "name of the bias frame reference DQF" - hdu1_header.darkfile: DARKFILE: A keyword the FITS Standard doesn't define. This record's comment: "name of the dark reference file" - hdu1_header.darkdfil: DARKDFIL: A keyword the FITS Standard doesn't define. This record's comment: "name of the dark reference DQF" - hdu1_header.flatfile: FLATFILE: A keyword the FITS Standard doesn't define. This record's comment: "name of the flat field reference file" - hdu1_header.flatdfil: FLATDFIL: A keyword the FITS Standard doesn't define. This record's comment: "name of the flat field reference DQF" - hdu1_header.shadfile: SHADFILE: A keyword the FITS Standard doesn't define. This record's comment: "name of the reference file for shutter sha" - hdu1_header.phottab: PHOTTAB: A keyword the FITS Standard doesn't define. This record's comment: "name of the photometry calibration table" - hdu1_header.graphtab: GRAPHTAB: A keyword the FITS Standard doesn't define. This record's comment: "the HST graph table" - hdu1_header.comptab: COMPTAB: A keyword the FITS Standard doesn't define. This record's comment: "the HST components table" - hdu1_header.blank_23: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_24: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_25: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.saturate: SATURATE: A keyword the FITS Standard doesn't define. This record's comment: "Data value at which saturation occurs" - hdu1_header.uscale: USCALE: A keyword the FITS Standard doesn't define. This record's comment: "Scale factor for output image" - hdu1_header.uzero: UZERO: A keyword the FITS Standard doesn't define. This record's comment: "Zero point for output image" - hdu1_header.blank_26: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_27: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_28: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.readtime: READTIME: A keyword the FITS Standard doesn't define. This record's comment: "Length of time for CCD readout in clock ticks" - hdu1_header.blank_29: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_30: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_31: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.pa_v3: PA_V3: A keyword the FITS Standard doesn't define. This record's comment: "position angle of V3-axis of HST (deg)" - hdu1_header.ra_sun: RA_SUN: A keyword the FITS Standard doesn't define. This record's comment: "right ascension of the sun (deg)" - hdu1_header.dec_sun: DEC_SUN: A keyword the FITS Standard doesn't define. This record's comment: "declination of the sun (deg)" - hdu1_header.eqnx_sun: EQNX_SUN: A keyword the FITS Standard doesn't define. This record's comment: "equinox of the sun" - hdu1_header.mtflag: MTFLAG: A keyword the FITS Standard doesn't define. This record's comment: "moving target flag; T if it is a moving target" - hdu1_header.eqradtrg: EQRADTRG: A keyword the FITS Standard doesn't define. This record's comment: "equatorial radius of target (km)" - hdu1_header.flatntrg: FLATNTRG: A keyword the FITS Standard doesn't define. This record's comment: "flattening of target" - hdu1_header.npdectrg: NPDECTRG: A keyword the FITS Standard doesn't define. This record's comment: "north pole declination of target (deg)" - hdu1_header.npratrg: NPRATRG: A keyword the FITS Standard doesn't define. This record's comment: "north pole right ascension of target (deg)" - hdu1_header.rotrttrg: ROTRTTRG: A keyword the FITS Standard doesn't define. This record's comment: "rotation rate of target" - hdu1_header.longpmer: LONGPMER: A keyword the FITS Standard doesn't define. This record's comment: "longitude of prime meridian (deg)" - hdu1_header.eplongpm: EPLONGPM: A keyword the FITS Standard doesn't define. This record's comment: "epoch of longitude of prime meridian (sec)" - hdu1_header.surflatd: SURFLATD: A keyword the FITS Standard doesn't define. This record's comment: "surface feature latitude (deg)" - hdu1_header.surflong: SURFLONG: A keyword the FITS Standard doesn't define. This record's comment: "surface feature longitude (deg)" - hdu1_header.surfaltd: SURFALTD: A keyword the FITS Standard doesn't define. This record's comment: "surface feature altitude (km)" - hdu1_header.blank_32: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_33: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_34: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.podpsff: PODPSFF: A keyword the FITS Standard doesn't define. This record's comment: "0=(no podps fill); 1=(podps fill present)" - hdu1_header.stdcfff: STDCFFF: A keyword the FITS Standard doesn't define. This record's comment: "0=(no st dcf fill); 1=(st dcf fill present)" - hdu1_header.stdcffp: STDCFFP: A keyword the FITS Standard doesn't define. This record's comment: "st dcf fill pattern (hex)" - hdu1_header.rsdpfill: RSDPFILL: A keyword the FITS Standard doesn't define. This record's comment: "bad data fill value for calibrated images" - hdu1_header.blank_35: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_36: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_37: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.uexpodur: UEXPODUR: A keyword the FITS Standard doesn't define. This record's comment: "commanded duration of exposure (sec)" - hdu1_header.nshuta17: NSHUTA17: A keyword the FITS Standard doesn't define. This record's comment: "Number of AP17 shutter B closes" - hdu1_header.darktime: DARKTIME: A keyword the FITS Standard doesn't define. This record's comment: "Dark time (seconds)" - hdu1_header.uexpotim: UEXPOTIM: A keyword the FITS Standard doesn't define. This record's comment: "Major frame pulse time preceding exposure start" - hdu1_header.pstrtime: PSTRTIME: A keyword the FITS Standard doesn't define. This record's comment: "predicted obs. start time (yyyy.ddd:hh:mm:ss)" - hdu1_header.pstptime: PSTPTIME: A keyword the FITS Standard doesn't define. This record's comment: "predicted obs. stop time (yyyy.ddd:hh:mm:ss)" - hdu1_header.blank_38: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_39: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_40: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.sunangle: SUNANGLE: A keyword the FITS Standard doesn't define. This record's comment: "angle between sun and V1 axis" - hdu1_header.moonangl: MOONANGL: A keyword the FITS Standard doesn't define. This record's comment: "angle between moon and V1 axis" - hdu1_header.sun_alt: SUN_ALT: A keyword the FITS Standard doesn't define. This record's comment: "altitude of the sun above Earth's limb" - hdu1_header.fgslock: FGSLOCK: A keyword the FITS Standard doesn't define. This record's comment: "commanded FGS lock (FINE,COARSE,GYROS,UNKNOWN)" - hdu1_header.blank_41: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.date_obs: DATE-OBS: The format of the value field for DATE-OBS keywords shall follow the prescriptions for the DATE keyword (Sect. 4.4.2 and Sect. 9.1.1 Either the four-digit year format or the two-digit year format may be used for observation dates from 1900 through 1999, although the four-digit format is recommended. This record's comment: "UT date of start of observation (yyyy-mm-dd)" - hdu1_header.time_obs: TIME-OBS: A keyword the FITS Standard doesn't define. This record's comment: "UT time of start of observation (hh:mm:ss)" - hdu1_header.expstart: EXPSTART: A keyword the FITS Standard doesn't define. This record's comment: "exposure start time (Modified Julian Date)" - hdu1_header.expend: EXPEND: A keyword the FITS Standard doesn't define. This record's comment: "exposure end time (Modified Julian Date)" - hdu1_header.exptime: EXPTIME: A keyword the FITS Standard doesn't define. This record's comment: "exposure duration (seconds)--calculated" - hdu1_header.expflag: EXPFLAG: A keyword the FITS Standard doesn't define. This record's comment: "Exposure interruption indicator" - hdu1_header.blank_42: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.blank_43: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.targname: TARGNAME: A keyword the FITS Standard doesn't define. This record's comment: "proposer's target name" - hdu1_header.ra_targ: RA_TARG: A keyword the FITS Standard doesn't define. This record's comment: "right ascension of the target (deg) (J2000)" - hdu1_header.dec_targ: DEC_TARG: A keyword the FITS Standard doesn't define. This record's comment: "declination of the target (deg) (J2000)" - hdu1_header.ecl_long: ECL_LONG: A keyword the FITS Standard doesn't define. This record's comment: "ecliptic longitude of the target (deg) (J2000)" - hdu1_header.ecl_lat: ECL_LAT: A keyword the FITS Standard doesn't define. This record's comment: "ecliptic latitude of the target (deg) (J2000)" - hdu1_header.gal_long: GAL_LONG: A keyword the FITS Standard doesn't define. This record's comment: "galactic longitude of the target (deg) (J2000)" - hdu1_header.gal_lat: GAL_LAT: A keyword the FITS Standard doesn't define. This record's comment: "galactic latitude of the target (deg) (J2000)" - hdu1_header.blank_44: (blank): A keyword record whose keyword field is all spaces: commentary text in Bytes 9 through 80. Blank records just before END may be non-significant fill. - hdu1_header.proposid: PROPOSID: A keyword the FITS Standard doesn't define. This record's comment: "PEP proposal identifier" - hdu1_header.pep_expo: PEP_EXPO: A keyword the FITS Standard doesn't define. This record's comment: "PEP exposure identifier including sequence" - hdu1_header.linenum: LINENUM: A keyword the FITS Standard doesn't define. This record's comment: "PEP proposal line number" - hdu1_header.seqline: SEQLINE: A keyword the FITS Standard doesn't define. This record's comment: "PEP line number of defined sequence" - hdu1_header.seqname: SEQNAME: A keyword the FITS Standard doesn't define. This record's comment: "PEP define/use sequence name" - hdu1_header.history: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_2: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_3: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_4: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_5: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_6: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_7: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_8: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_9: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_10: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_11: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_12: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_13: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_14: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_15: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_16: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_17: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_18: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_19: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_20: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_21: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_22: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_23: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_24: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_25: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_26: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_27: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_28: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_29: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_30: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_31: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_32: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_33: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_34: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_35: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_36: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_37: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.history_38: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.skysub1: SKYSUB1: A keyword the FITS Standard doesn't define. This record's comment: "Sky value for chip 1" - hdu1_header.pys_vers: PYS_VERS: A keyword the FITS Standard doesn't define. This record's comment: "PyStack.py: Version" - hdu1_header.iraf_i: IRAF_I: A keyword the FITS Standard doesn't define. - hdu1_header.stac_i: STAC_I: A keyword the FITS Standard doesn't define. - hdu1_header.pys_iter: PYS_ITER: A keyword the FITS Standard doesn't define. This record's comment: "PyStack.py: Number of iterations" - hdu1_header.pys_hexp: PYS_HEXP: A keyword the FITS Standard doesn't define. This record's comment: "PyStack.py: Value of exponent" - hdu1_header.skysub2: SKYSUB2: A keyword the FITS Standard doesn't define. This record's comment: "Sky value for chip 2" - hdu1_header.skysub3: SKYSUB3: A keyword the FITS Standard doesn't define. This record's comment: "Sky value for chip 3" - hdu1_header.skysub4: SKYSUB4: A keyword the FITS Standard doesn't define. This record's comment: "Sky value for chip 4" - hdu1_header.ncombine: NCOMBINE: A keyword the FITS Standard doesn't define. This record's comment: "Number of exposures for this association" - hdu1_header.history_39: HISTORY: This keyword should be used to describe the history of steps and procedures associated with the processing of the associated data. Any FITS-legal characters may appear in Bytes 9 through 80. - hdu1_header.comment_3: COMMENT: This keyword may be used to supply any comments regarding the FITS file. - hdu1_header.comment_4: COMMENT: This keyword may be used to supply any comments regarding the FITS file. - hdu1_header.end: END: This keyword has no associated value. Bytes 9 through 80 shall be filled with ASCII spaces (decimal 32 or hexadecimal 20). The END keyword marks the logical end of the header and must occur in the last 2880-byte FITS block of the header. - hdu1_image: Image row: One row of the 100 x 100 array of HDU 1, the primary HDU, a 100 x 100 array: 100 pixels along axis 1. - hdu1_image.pixel: Pixel value: The values of the 100 x 100 array of HDU 1, the primary HDU, a 100 x 100 array, IEEE single-precision floating point (BITPIX = -32), one row of 100 values per "hdu1_image" record. Axis 1: RA---TAN. Axis 2: DEC--TAN.
label Semantics of FITS file WFPC2ASSNu5780205bx.fits

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