SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01223072000' / Observation ID TARG_ID = '1223072 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2024-05-01T22:03:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 735222353.985072 / Start time DATE-OBS= '2024-04-19T12:22:47' TSTOP = 735222356.584102 / Stop time DATE-END= '2024-04-19T12:25:51' CHECKSUM= 'ecGahZGYeaGaeYGY' / HDU checksum updated 2024-05-01T22:03:04 DATASUM = ' 0' / data unit checksum updated 2024-05-01T22:03:04 OBJECT = 'GRB240419b' XOBS_ID = 01223072000 / Generating sequence END XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 600 / length of data axis 1 NAXIS2 = 600 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 MESGNAME= 'XRT_IMAGEMAP' / Name of the message BLANK = -32767 / Null pixel value EXTNAME = 'SHT735222354I04' / Extension name DATAMODE= 'SHORTIMA' / Instrument operation mode OBS_MODE= 'POINTING' / default TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01223072000' / Observation ID TARG_ID = '1223072 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2024-05-01T22:03:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 735222353.985072 / Obs start time second since MJDREF + TIMEZERO DATE-OBS= '2024-04-19T12:25:48' TSTOP = 735222354.085072 / Obs end time second since MJDREF + TIMEZERO DATE-END= '2024-04-19T12:25:49' HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values TLMROWS = 600 / Rows in Image from Telemetry TLMCOLS = 600 / Columns in Image from Telemetry BADPIXEL= 0 / Number of damaged pixels in telemetry CTYPE1 = 'RAWX ' / WCS axis type CRPIX1 = 300. / WCS Reference point CUNIT1 = 'pixel ' / WCS axis unit CRVAL1 = 299 / WCS reference value CDELT1 = 1 / WCS coordinate increment CTYPE2 = 'RAWY ' / WCS axis type CRPIX2 = 300. / WCS Reference point CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 299 / WCS reference value CDELT2 = 1 / WCS coordinate increment CCDFRAME= 97966457 / Associated CCD Frame number LLVLTHR = 14 / Event Lower Level Discriminator threshold PIXGTLLD= 22 / PIXels Greater Than Lower Level Discriminator ULVLTHR = 4095 / Event Upper Level Discriminator threshold PIXGTULD= 0 / PIXels Greater Than Upper Level Discriminator AMP = 2 / Amplifier Number RA_PNT = 325.866973876953 / [deg] Nominal RA DEC_PNT = 4.22844982147217 / [deg] Nominal Dec PA_PNT = 79.2838 / [deg] Nominal Roll UTCFINIT= -33.29772 / UTCF at TSTART UTCCTIME= -33.29772 / [s] UTC Correction Time UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 35114 / [2*10**(-5) s] UTC Correction Subseconds APID = 1254 / Application Process Identifier TELAPSE = 0.100000023841858 / TSTOP - TSTART ONTIME = 0.100000023841858 / Sum of GTIs LIVETIME= 0.100000023841858 / Ontime multiplied by DEADC EXPOSURE= 0.100000023841858 / All exposure corrections DEADC = 1. / dead time correction DATAMAX = 202 / 12 bit data DATAMIN = 15 / 12 bit data XRTVSUB = 6 / CCD int Vsubstrate VSUBBAD = 0 / percent not XRTVSUB CHECKSUM= 'ZINFZFNDZFNDZFND' / HDU checksum updated 2024-05-01T22:03:04 DATASUM = '31588932' / data unit checksum updated 2024-05-01T22:03:04 END S%$( 8XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 600 / length of data axis 1 NAXIS2 = 600 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 MESGNAME= 'XRT_IMAGEMAP' / Name of the message BLANK = -32767 / Null pixel value EXTNAME = 'LNG735222356I30' / Extension name DATAMODE= 'LONGIMA ' / Instrument operation mode OBS_MODE= 'POINTING' / default TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01223072000' / Observation ID TARG_ID = '1223072 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2024-05-01T22:03:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 735222354.095113 / Obs start time second since MJDREF + TIMEZERO DATE-OBS= '2024-04-19T12:25:49' TSTOP = 735222356.584102 / Obs end time second since MJDREF + TIMEZERO DATE-END= '2024-04-19T12:25:51' HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values TLMROWS = 600 / Rows in Image from Telemetry TLMCOLS = 600 / Columns in Image from Telemetry BADPIXEL= 0 / Number of damaged pixels in telemetry CTYPE1 = 'RAWX ' / WCS axis type CRPIX1 = 300. / WCS Reference point CUNIT1 = 'pixel ' / WCS axis unit CRVAL1 = 299 / WCS reference value CDELT1 = 1 / WCS coordinate increment CTYPE2 = 'RAWY ' / WCS axis type CRPIX2 = 300. / WCS Reference point CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 299 / WCS reference value CDELT2 = 1 / WCS coordinate increment CCDFRAME= 97966458 / Associated CCD Frame number LLVLTHR = 14 / Event Lower Level Discriminator threshold PIXGTLLD= 407 / PIXels Greater Than Lower Level Discriminator ULVLTHR = 4095 / Event Upper Level Discriminator threshold PIXGTULD= 0 / PIXels Greater Than Upper Level Discriminator AMP = 2 / Amplifier Number RA_PNT = 325.866607666016 / [deg] Nominal RA DEC_PNT = 4.22754621505737 / [deg] Nominal Dec PA_PNT = 79.28323 / [deg] Nominal Roll UTCFINIT= -33.29772 / UTCF at TSTART UTCCTIME= -33.29772 / [s] UTC Correction Time UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 35114 / [2*10**(-5) s] UTC Correction Subseconds APID = 1254 / Application Process Identifier TELAPSE = 2.48898828029633 / TSTOP - TSTART ONTIME = 2.48898828029633 / Sum of GTIs LIVETIME= 2.48898828029633 / Ontime multiplied by DEADC EXPOSURE= 2.48898828029633 / All exposure corrections DEADC = 1. / dead time correction DATAMAX = 2843 / 12 bit data DATAMIN = 15 / 12 bit data XRTVSUB = 6 / CCD int Vsubstrate VSUBBAD = 0 / percent not XRTVSUB CHECKSUM= 'GdWKGbWJGbWJGbWJ' / HDU checksum updated 2024-05-01T22:03:04 DATASUM = '1945083997' / data unit checksum updated 2024-05-01T22:03:04 END veX} V 1    . Y ;Q 9)02-6"!U3"#>&5' %!$GJ/3)/PC;'>+%%<&/%y*?g1sPe]md*%@7Wx-%1I+g m5{'IF%-]90D;#3Q(/2k6 ,!-)$C(4C.",,  b..< 'XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 390 / width of table in bytes NAXIS2 = 2 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 72 / number of fields in each row TTYPE1 = 'FrameHID' / FRAME Header ID TFORM1 = '1J ' / data format of field: 4-byte INTEGER TZERO1 = 2147483648 / offset for unsigned integers TSCAL1 = 1 / data are not scaled TTYPE2 = 'CCDFrame' / CCD FRAME counter TFORM2 = '1J ' / data format of field: 4-byte INTEGER TZERO2 = 2147483648 / offset for unsigned integers TSCAL2 = 1 / data are not scaled TTYPE3 = 'TARGET ' / TARGET ID TFORM3 = '1J ' / data format of field: 4-byte INTEGER TTYPE4 = 'ObsNum ' / OBServation NUMber TFORM4 = '1I ' / data format of field: 2-byte INTEGER TTYPE5 = 'RA ' / Right Ascension J2000 TFORM5 = '1E ' / data format of field: 4-byte REAL TUNIT5 = 'deg ' / physical unit of field TTYPE6 = 'Dec ' / Declination J2000 TFORM6 = '1E ' / data format of field: 4-byte REAL TUNIT6 = 'deg ' / physical unit of field TTYPE7 = 'Roll ' / Roll TFORM7 = '1E ' / data format of field: 4-byte REAL TUNIT7 = 'deg ' / physical unit of field TTYPE8 = 'Settled ' / ACS IS_SETTLED flag TFORM8 = '1X ' / data format of field: BIT TTYPE9 = 'In10Arcm' / ACS IS_IN_10_ARCMIN flag TFORM9 = '1X ' / data format of field: BIT TTYPE10 = 'InSAA ' / ACS IN_SAA_FLAG flag TFORM10 = '1X ' / data format of field: BIT TTYPE11 = 'InSafeM ' / ACS IN_SAFE_MODE flag TFORM11 = '1X ' / data format of field: BIT TTYPE12 = 'XRTAuto ' / XRT status AUTO flag TFORM12 = '1X ' / data format of field: BIT TTYPE13 = 'XRTManul' / XRT status MANUaL flag TFORM13 = '1X ' / data format of field: BIT TTYPE14 = 'XRTRed ' / XRT status RED flag TFORM14 = '1X ' / data format of field: BIT TTYPE15 = 'XRTMode ' / XRT MODE TFORM15 = '1B ' / data format of field: BYTE TTYPE16 = 'WaveID ' / CCD WAVEform ID TFORM16 = '1B ' / data format of field: BYTE TTYPE17 = 'ErpCntRt' / ERP CouNT RaTe TFORM17 = '1E ' / data format of field: 4-byte REAL TTYPE18 = 'XPosTAM1' / X POSition of TAM image 1 TFORM18 = '1E ' / data format of field: 4-byte REAL TTYPE19 = 'YPosTAM1' / Y POSition of TAM image 1 TFORM19 = '1E ' / data format of field: 4-byte REAL TTYPE20 = 'XPosTAM2' / X POSition of TAM image 2 TFORM20 = '1E ' / data format of field: 4-byte REAL TTYPE21 = 'YPosTAM2' / Y POSition of TAM image 2 TFORM21 = '1E ' / data format of field: 4-byte REAL TTYPE22 = 'DNCCDTemp' / CCD TEMPerature for this frame TFORM22 = '1I ' / data format of field: 2-byte INTEGER TZERO22 = 32768 / offset for unsigned integers TSCAL22 = 1 / data are not scaled TTYPE23 = 'Vod1 ' / output drain voltage for left amp 1 TFORM23 = '1D ' / data format of field: 8-byte DOUBLE TUNIT23 = 'V ' / physical unit of field TTYPE24 = 'Vod2 ' / output drain voltage for right amp 2 TFORM24 = '1D ' / data format of field: 8-byte DOUBLE TUNIT24 = 'V ' / physical unit of field TTYPE25 = 'Vrd1 ' / reference voltage for amp 1 TFORM25 = '1D ' / data format of field: 8-byte DOUBLE TUNIT25 = 'V ' / physical unit of field TTYPE26 = 'Vrd2 ' / reference voltage for amp 2 TFORM26 = '1D ' / data format of field: 8-byte DOUBLE TUNIT26 = 'V ' / physical unit of field TTYPE27 = 'Vog1 ' / output gate voltage for amp 1 TFORM27 = '1D ' / data format of field: 8-byte DOUBLE TUNIT27 = 'V ' / physical unit of field TTYPE28 = 'Vog2 ' / output gate voltage for amp 2 TFORM28 = '1D ' / data format of field: 8-byte DOUBLE TUNIT28 = 'V ' / physical unit of field TTYPE29 = 'S1Rp1 ' / Serial register clock phase 1 (left half) TFORM29 = '1D ' / data format of field: 8-byte DOUBLE TUNIT29 = 'V ' / physical unit of field TTYPE30 = 'S1Rp2 ' / Serial register clock phase 2 (left half) TFORM30 = '1D ' / data format of field: 8-byte DOUBLE TUNIT30 = 'V ' / physical unit of field TTYPE31 = 'S1Rp3 ' / Serial register clock phase 3 (left half) TFORM31 = '1D ' / data format of field: 8-byte DOUBLE TUNIT31 = 'V ' / physical unit of field TTYPE32 = 'R1pR ' / reset gate clock amp 1 TFORM32 = '1D ' / data format of field: 8-byte DOUBLE TUNIT32 = 'V ' / physical unit of field TTYPE33 = 'R2pR ' / reset gate clock amp 2 TFORM33 = '1D ' / data format of field: 8-byte DOUBLE TUNIT33 = 'V ' / physical unit of field TTYPE34 = 'S2Rp1 ' / Serial register clock phase 1 (right half) TFORM34 = '1D ' / data format of field: 8-byte DOUBLE TUNIT34 = 'V ' / physical unit of field TTYPE35 = 'S2Rp2 ' / Serial register clock phase 2 (right half) TFORM35 = '1D ' / data format of field: 8-byte DOUBLE TUNIT35 = 'V ' / physical unit of field TTYPE36 = 'S2Rp3 ' / Serial register clock phase 3 (right half) TFORM36 = '1D ' / data format of field: 8-byte DOUBLE TUNIT36 = 'V ' / physical unit of field TTYPE37 = 'Vgr ' / guard ring bias voltage TFORM37 = '1D ' / data format of field: 8-byte DOUBLE TUNIT37 = 'V ' / physical unit of field TTYPE38 = 'Vsub ' / substrate bias voltage TFORM38 = '1D ' / data format of field: 8-byte DOUBLE TUNIT38 = 'V ' / physical unit of field TTYPE39 = 'Vbackjun' / back junction bias voltage TFORM39 = '1D ' / data format of field: 8-byte DOUBLE TUNIT39 = 'V ' / physical unit of field TTYPE40 = 'Vid ' / input diode bias voltage TFORM40 = '1D ' / data format of field: 8-byte DOUBLE TUNIT40 = 'V ' / physical unit of field TTYPE41 = 'Ip1 ' / image area parallel clock phase 1 TFORM41 = '1D ' / data format of field: 8-byte DOUBLE TUNIT41 = 'V ' / physical unit of field TTYPE42 = 'Ip2 ' / image area parallel clock phase 2 TFORM42 = '1D ' / data format of field: 8-byte DOUBLE TUNIT42 = 'V ' / physical unit of field TTYPE43 = 'Ip3 ' / image area parallel clock phase 3 TFORM43 = '1D ' / data format of field: 8-byte DOUBLE TUNIT43 = 'V ' / physical unit of field TTYPE44 = 'Sp1 ' / frame store area parallel clock phase 1 TFORM44 = '1D ' / data format of field: 8-byte DOUBLE TUNIT44 = 'V ' / physical unit of field TTYPE45 = 'Sp2 ' / frame store area parallel clock phase 2 TFORM45 = '1D ' / data format of field: 8-byte DOUBLE TUNIT45 = 'V ' / physical unit of field TTYPE46 = 'Sp3 ' / frame store area parallel clock phase 3 TFORM46 = '1D ' / data format of field: 8-byte DOUBLE TUNIT46 = 'V ' / physical unit of field TTYPE47 = 'CpIG ' / input gate clock TFORM47 = '1D ' / data format of field: 8-byte DOUBLE TUNIT47 = 'V ' / physical unit of field TTYPE48 = 'BaseLin1' / Baseline voltage for Signal Chain A TFORM48 = '1D ' / data format of field: 8-byte DOUBLE TUNIT48 = 'V ' / physical unit of field TTYPE49 = 'BaseLin2' / Baseline voltage for Signal Chain B TFORM49 = '1D ' / data format of field: 8-byte DOUBLE TUNIT49 = 'V ' / physical unit of field TTYPE50 = 'FSTS ' / Frame Start Time in Seconds TFORM50 = '1J ' / data format of field: 4-byte INTEGER TZERO50 = 2147483648 / offset for unsigned integers TSCAL50 = 1 / data are not scaled TUNIT50 = 's ' / physical unit of field TTYPE51 = 'FSTSub ' / Frame Start Time in SUB-seconds TFORM51 = '1I ' / data format of field: 2-byte INTEGER TZERO51 = 32768 / offset for unsigned integers TSCAL51 = 1 / data are not scaled TUNIT51 = '2*10**(-5)s' / physical unit of field TTYPE52 = 'FETS ' / Frame End Time in Seconds TFORM52 = '1J ' / data format of field: 4-byte INTEGER TZERO52 = 2147483648 / offset for unsigned integers TSCAL52 = 1 / data are not scaled TUNIT52 = 's ' / physical unit of field TTYPE53 = 'FETSub ' / Frame End Time in SUB-seconds TFORM53 = '1I ' / data format of field: 2-byte INTEGER TZERO53 = 32768 / offset for unsigned integers TSCAL53 = 1 / data are not scaled TUNIT53 = '2*10**(-5)s' / physical unit of field TTYPE54 = 'CCDExpos' / CCD EXPOSure in s/c seconds TFORM54 = '1J ' / data format of field: 4-byte INTEGER TUNIT54 = 's ' / physical unit of field TTYPE55 = 'CCDExpSb' / CCD EXPOSure in s/c SuBseconds TFORM55 = '1I ' / data format of field: 2-byte INTEGER TZERO55 = 32768 / offset for unsigned integers TSCAL55 = 1 / data are not scaled TUNIT55 = '2*10**(-5)s' / physical unit of field TTYPE56 = 'EvtLLD ' / EvenT Lower Level Discriminator threshold TFORM56 = '1I ' / data format of field: 2-byte INTEGER TZERO56 = 32768 / offset for unsigned integers TSCAL56 = 1 / data are not scaled TTYPE57 = 'PixGtLLD' / PIXels Greater Than Lower Level Discriminator TFORM57 = '1J ' / data format of field: 4-byte INTEGER TZERO57 = 2147483648 / offset for unsigned integers TSCAL57 = 1 / data are not scaled TTYPE58 = 'EvtULD ' / EvenT Upper Level Discriminator threshold TFORM58 = '1I ' / data format of field: 2-byte INTEGER TZERO58 = 32768 / offset for unsigned integers TSCAL58 = 1 / data are not scaled TTYPE59 = 'PixGtULD' / PIXels Greater Than Upper Level Discriminator TFORM59 = '1J ' / data format of field: 4-byte INTEGER TZERO59 = 2147483648 / offset for unsigned integers TSCAL59 = 1 / data are not scaled TTYPE60 = 'Amp ' / AMP number TFORM60 = '1B ' / data format of field: BYTE TTYPE61 = 'telemRow' / TELEMetry ROWs present in data TFORM61 = '1I ' / data format of field: 2-byte INTEGER TTYPE62 = 'telemCol' / TELEMetry COLumns present in data TFORM62 = '1I ' / data format of field: 2-byte INTEGER TTYPE63 = 'nPixels ' / Number of PIXELS in data TFORM63 = '1J ' / data format of field: 4-byte INTEGER TTYPE64 = 'TIME ' / TIME of frame exposure start TFORM64 = '1D ' / data format of field: 8-byte DOUBLE TUNIT64 = 's ' / physical unit of field TTYPE65 = 'ENDTIME ' / TIME of frame exposure end TFORM65 = '1D ' / data format of field: 8-byte DOUBLE TUNIT65 = 's ' / physical unit of field TTYPE66 = 'CCDTemp ' / CCD Temperature in Celsius for frame TFORM66 = '1E ' / data format of field: 4-byte REAL TTYPE67 = 'EVTLOST ' / Percentage of frame events corrupted (telemetryTFORM67 = '1D ' / data format of field: 8-byte DOUBLE TTYPE68 = 'HPixCt ' / Header PIXel CounT TFORM68 = '1I ' / data format of field: 2-byte INTEGER TTYPE69 = 'BiasPx ' / Bias PiXels TFORM69 = '20I ' / data format of field: 2-byte INTEGER TTYPE70 = 'IMBLvl ' / Image Mode Bias Level TFORM70 = '1I ' / data format of field: 2-byte INTEGER TZERO70 = 32768 / offset for unsigned integers TSCAL70 = 1 / data are not scaled TTYPE71 = 'CenStat ' / Centroiding Status for Image Mode TFORM71 = '1I ' / data format of field: 2-byte INTEGER TTYPE72 = 'MaxPixRp' / Max # Pixels Reported TFORM72 = '1J ' / data format of field: 4-byte INTEGER TZERO72 = 2147483648 / offset for unsigned integers TSCAL72 = 1 / data are not scaled TUNIT72 = 's ' / physical unit of field EXTNAME = 'FRAME ' / name of this binary table extension TLMIN5 = 0 / minimum legal value in this column TLMAX5 = 360 / maximum legal value in this column TLMIN6 = -90 / minimum legal value in this column TLMAX6 = 90 / maximum legal value in this column TLMIN15 = 1 / minimum legal value in this column TLMAX15 = 10 / maximum legal value in this column TZERO48 = 2 / data offset TZERO49 = 2 / data offset TLMIN51 = 0 / minimum legal value in this column TLMAX51 = 49999 / maximum legal value in this column TLMIN53 = 0 / minimum legal value in this column TLMAX53 = 49999 / maximum legal value in this column TLMIN55 = 0 / minimum legal value in this column TLMAX55 = 49999 / maximum legal value in this column TLMIN60 = 1 / minimum legal value in this column TLMAX60 = 2 / maximum legal value in this column TSCAL23 = 0.00810376 / data scaling TSCAL24 = 0.00810376 / data scaling TSCAL25 = 0.00600431 / data scaling TSCAL26 = 0.00600431 / data scaling TSCAL27 = 0.00297029 / data scaling TSCAL28 = 0.00297029 / data scaling TSCAL29 = 0.002970287 / data scaling TSCAL30 = 0.002970287 / data scaling TSCAL31 = 0.002970287 / data scaling TSCAL32 = 0.002970287 / data scaling TSCAL33 = 0.002970287 / data scaling TSCAL34 = 0.002970287 / data scaling TSCAL35 = 0.002970287 / data scaling TSCAL36 = 0.002970287 / data scaling TSCAL37 = 0.00600431 / data scaling TSCAL38 = 0.00297029 / data scaling TSCAL39 = 0.00600431 / data scaling TSCAL40 = 0.00600431 / data scaling TSCAL41 = 0.00297029 / data scaling TSCAL42 = 0.00297029 / data scaling TSCAL43 = 0.002970287 / data scaling TSCAL44 = 0.002970287 / data scaling TSCAL45 = 0.002970287 / data scaling TSCAL46 = 0.002970287 / data scaling TSCAL47 = 0.002970287 / data scaling TSCAL48 = -0.0009768 / data scaling TSCAL49 = -0.0009768 / data scaling HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'TEMPORALDATA' / Time ordered data HDUCLAS2= 'HKP ' / Housekeeping COMMENT ---------------------------------------------------------------- COMMENT Readout Mode (ReadMode column) COMMENT 1 = Null COMMENT 2 = Short Photon COMMENT 3 = Long Photon COMMENT 4 = Piled-up Photodiode COMMENT 5 = Low-rate Photodiode COMMENT 6 = Windowed Timing COMMENT 7 = Photon-Counting COMMENT 8 = Raw Data COMMENT 9 = Bias Map COMMENT 10 = Stop COMMENT ---------------------------------------------------------------- TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01223072000' / Observation ID TARG_ID = '1223072 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2024-05-01T22:03:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 735222353.985072 / Start time DATE-OBS= '2024-04-19T12:25:48' TSTOP = 735222356.584102 / Stop time DATE-END= '2024-04-19T12:25:51' APID = 1254 / Application Process Identifier TELAPSE = 2.59902966022491 / TSTOP - TSTART CHECKSUM= 'SbU2SZR0SaR0SYR0' / HDU checksum updated 2024-05-01T22:03:04 DATASUM = '4130980757' / data unit checksum updated 2024-05-01T22:03:04 END sSyC@OvBNCj1)@@@@@~0@~@ @@@ @H@@@@@@@V@@@@@@@H@@ҚRcҚTXXAM(AM) ba}~|~~ yx}~~~~~ysSzC@HBC"Su@@v@@@~@~@ @@@&@F@@@@@@x@V@@@@@@@@@@ҚTyҚWXXAM) ,AM*Jb,k yyXTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 65 / width of table in bytes NAXIS2 = 2 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 4 / number of fields in each row TTYPE1 = 'TIME ' / Spacecraft clock time TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'QPARAM ' / Quaternion of pointing TFORM2 = '4D ' / data format of field: 8-byte DOUBLE TTYPE3 = 'POINTING' / RA, Dec, Roll from telemetry TFORM3 = '3D ' / data format of field: 8-byte DOUBLE TUNIT3 = 'deg ' / physical unit of field TTYPE4 = 'SOURCE ' / 2 = XRT LDPs TFORM4 = '1B ' / data format of field: BYTE EXTNAME = 'ATTITUDE' / name of this binary table extension HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'ARRAY ' / Time ordered data HDUCLAS2= 'TOTAL ' / Housekeeping TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01223072000' / Observation ID TARG_ID = '1223072 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2024-05-01T22:03:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 735222353.985072 / Start time DATE-OBS= '2024-04-19T12:25:48' TSTOP = 735222356.584102 / Stop time DATE-END= '2024-04-19T12:25:51' ALGN_NAM= 'swalign20041115v012.fits' TELAPSE = 2.59902966022491 / TSTOP - TSTART CHECKSUM= 'g1OXi0NXg0NXg0NX' / HDU checksum updated 2024-05-01T22:03:04 DATASUM = '1622977581' / data unit checksum updated 2024-05-01T22:03:04 ATTFLAG = '100 ' / Attitude: 100=spacecraft (from xrt tdrss) END AM(Կ%B=?yT|ɢ.跠?QH@t] @@S)AM) ,]^E?y\ɔ?QY]@t]ݠ@@S `