SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 1 / number of data axes NAXIS1 = 0 / length of data axis 1 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 HISTORY fimgcreate 1.0b at 2021-08-03T05:13:53 DATE = '2021-08-03T05:13:53' / file creation date (YYYY-MM-DDThh:mm:ss UT) INSTRUME= 'UVOT ' TSTART = 648850601.36086 TSTOP = 648850989.70182 DATE-OBS= '2021-07-24T20:14:04' DATE-END= '2021-07-24T20:23:04' OBJECT = 'GRB210724a' XOBS_ID = 01061482000 / Generating sequence PROCVER = '3.18.16 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201215_x20200724_m20210707' / CALDB index versions used TIMESYS = 'TT ' / time system MJDREFI = 51910 / MJD reference day 01 Jan 2001 00:00:00 MJDREFF = 0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:CLOCKAPP= F / If clock correction are applied (F/T) TIMEUNIT= 's ' / Time unit for timing header keywords UTCFINIT= -27.4276400000000 / [s] UTCF at TSTART CHECKSUM= 'XENbaBNaRBNaXBNa' / HDU checksum updated 2021-08-03T05:25:54 DATASUM = ' 0' / data unit checksum updated 2021-08-03T05:25:54 END XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 160 / length of data axis 1 NAXIS2 = 160 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 MESGNAME= 'UVOT_GENI_IMAGE' / Name of the message TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'UVOTA ' / Instrument name OBS_ID = '01061482000' / Observation ID TARG_ID = '1061482 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2021-08-03T05:09:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -27.4276400000000 / [s] UTCF at TSTART TSTART = 648850601.36086 / Start time DATE-OBS= '2021-07-24T20:16:36' TSTOP = 648850751.21782 / Stop time DATE-END= '2021-07-24T20:19:06' TELAPSE = 149.856960058212 / TSTOP - TSTART ONTIME = 149.856960058212 / Sum of GTIs LIVETIME= 149.856960058212 / Ontime multiplied by DEADC EXPOSURE= 149.856960058212 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'wh648850601I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 648850601 / uvot EXPosure ID FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS RA_PNT = 227.41526809634 / [deg] Ra Pointing DEC_PNT = -6.29879929354747 / [deg] Dec Pointing PA_PNT = 288.7368 / [deg] Position angle (roll) WINDOWX0= 974 / Lower left hand X WINDOWY0= 962 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 13574 / number of frames included GRBLOC = 0 / GRB Location 1=XRT 0=MODE CMD BPEHWIN = 0 / BPE hardware window height BINX = 2 / Binning in the x-axis BINY = 2 / Binning in the y-axis CMPCNTMN= F / Compression losses didn't occurred in the imageCMPOTHRS= 8191 / Overflow of lossy compression algorithm CMPUTHRS= -8192 / Underflow of lossy compression algorithm CTYPE1 = 'RAWX ' / WCS axis type CUNIT1 = 'pixel ' / WCS axis unit CRVAL1 = 974.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 962.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -27.42764 / [s] UTC Correction time UTCCSEC = -28 / UTC Correction Seconds UTCCSUBS= 28618 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 648850757.69558 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 648850757 / ccsds PacKeT SEConds PKTSUBS = 34779 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= '5kKb8jIb5jIb5jIb' / HDU checksum updated 2021-08-03T05:25:54 DATASUM = '294438 ' / data unit checksum updated 2021-08-03T05:09:49 PROCVER = '3.18.16 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201215_x20200724_m20210707' / CALDB index versions used END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 160 / length of data axis 1 NAXIS2 = 160 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 MESGNAME= 'UVOT_GENI_IMAGE' / Name of the message TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'UVOTA ' / Instrument name OBS_ID = '01061482000' / Observation ID TARG_ID = '1061482 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2021-08-03T05:09:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -27.4276600000000 / [s] UTCF at TSTART TSTART = 648850759.40742 / Start time DATE-OBS= '2021-07-24T20:19:14' TSTOP = 648850989.70182 / Stop time DATE-END= '2021-07-24T20:23:04' TELAPSE = 230.29439997673 / TSTOP - TSTART ONTIME = 230.29439997673 / Sum of GTIs LIVETIME= 230.29439997673 / Ontime multiplied by DEADC EXPOSURE= 230.29439997673 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'uu648850759I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 648850759 / uvot EXPosure ID FILTER = 'U ' / FILTER used in exposure DETNAM = '1400 ' / WHEELPOS RA_PNT = 227.415126095348 / [deg] Ra Pointing DEC_PNT = -6.30094379474777 / [deg] Dec Pointing PA_PNT = 288.7342 / [deg] Position angle (roll) WINDOWX0= 974 / Lower left hand X WINDOWY0= 962 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 20860 / number of frames included GRBLOC = 0 / GRB Location 1=XRT 0=MODE CMD BPEHWIN = 0 / BPE hardware window height BINX = 2 / Binning in the x-axis BINY = 2 / Binning in the y-axis CMPCNTMN= F / Compression losses didn't occurred in the imageCMPOTHRS= 8191 / Overflow of lossy compression algorithm CMPUTHRS= -8192 / Underflow of lossy compression algorithm CTYPE1 = 'RAWX ' / WCS axis type CUNIT1 = 'pixel ' / WCS axis unit CRVAL1 = 974.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 962.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -27.42766 / [s] UTC Correction time UTCCSEC = -28 / UTC Correction Seconds UTCCSUBS= 28617 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 648850997.1756 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 648850997 / ccsds PacKeT SEConds PKTSUBS = 8780 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'SedaSdZYSdbaSdZY' / HDU checksum updated 2021-08-03T05:25:54 DATASUM = '78766 ' / data unit checksum updated 2021-08-03T05:09:49 PROCVER = '3.18.16 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201215_x20200724_m20210707' / CALDB index versions used END                                                                 CR9#    5,\!   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