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 = '01059881000' / Observation ID TARG_ID = '1059881 ' / Target ID SEG_NUM = '0 ' / Segment number 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 TSTART = 647775905.19298 / Start time DATE-OBS= '2021-07-12T09:45:05.2' / Start Date TSTOP = 647776010.82098 / Stop time DATE-END= '2021-07-12T09:46:50.8' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number DATE = '2021-07-12T09:46:30' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -27.35594 / UTCF at TSTART CHECKSUM= 'ZDaQiCXNZCaNfCWN' / HDU checksum updated 2021-07-12T09:46:30 DATASUM = ' 0' / data unit checksum updated 2021-07-12T09:46:30 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 18 / width of table in bytes NAXIS2 = 100 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row TTYPE1 = 'TIME ' / label for field 1 TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'RATE ' / label for field 2 TFORM2 = '1D ' / data format of field: 8-byte DOUBLE TUNIT2 = 'count/s ' / physical unit of field TTYPE3 = 'XRTMODE ' / label for field 3 TFORM3 = '1I ' / data format of field: 2-byte INTEGER EXTNAME = 'RATE ' / name of this binary table extension MESGNAME= 'XRT_LIGHTCURVE' / Name of the message COMMENT XRTMODE values COMMENT 1=null 2=Short Image 3=Long Image 4=Pile-Up Photodiode COMMENT 5=Low Rate Photodiode 6=Windowed Timing 7= Photon-Counting COMMENT 8=RAW data 9=Bias map 10=Stop TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01059881000' / Observation ID TARG_ID = '1059881 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.21 ' / 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 = '2021-07-12T09:46:30' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 647775905.19298 / Start time DATE-OBS= '2021-07-12T09:45:05.2' / Start Date TSTOP = 647776010.82098 / Stop time DATE-END= '2021-07-12T09:46:50.8' / Stop Date UTCFINIT= -27.35594 / UTCF at TSTART TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'LIGHTCURVE' / Time ordered data HDUCLAS2= 'TOTAL ' / Source + background HDUCLAS3= 'RATE ' / Data provided as rate NUMBINS = 100 / Number of valid bins in the lightcurve TRIGGER = 1059881 / Trigger Number XRA_OBJ = 97.3454437255859 / [deg] XRT RA location GRB or Object XDEC_OBJ= -35.4154739379883 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.627999901772 / TSTOP - TSTART ONTIME = 107.359703063965 / Time on target LIVETIME= 107.359703063965 / Ontime multiplied by DEADC EXPOSURE= 107.359703063965 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -27.35594 / [s] UTC Correction TIME UTCCSEC = -28 / UTC Correction Seconds UTCCSUBS= 32203 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 647776010.84496 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 647776010 / ccsds PacKeT SEConds PKTSUBS = 42248 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'TBKPTAHNTAHNTAHN' / HDU checksum updated 2021-07-12T09:46:30 DATASUM = '1213612310' / data unit checksum updated 2021-07-12T09:46:30 END AĆN#P˜³’AĆN#PĻŠ±AĆN#QŻY@bų4ĄAĆN#Q£į@V˜ąAĆN#R,#@T×ŌĄAĆN#R“Ę?@`F¾ AĆN#S=in@R€L AĆN#SĘ ž@R¼@ AĆN#TNÆ%@_Ł”@AĆN#T×RT@^5õ AĆN#U_õ„@]F% AĆN#Uč˜³@V?ŒąAĆN#Vq<Š@e©ŖĄAĆN#Vłß¹@WkPąAĆN#W‚‚A@XÓąAĆN#X %p@YĀŁAĆN#X“ČŸ@YJńAĆN#YkĻ@YžĶAĆN#Y„ž@Wć8ąAĆN#Z-²-@\’I AĆN#Z¶U\@Y†åAĆN#[>ųŒ@T×ŌĄAĆN#[Ē›»@W/\ąAĆN#\P>ź@X[ ąAĆN#\Ųā@YĀŁAĆN#]a„”@V{€ąAĆN#]ź'Š@T›ąĄAĆN#^rŹ’@Pdø AĆN#^ūn/@R¼@ AĆN#_„@LaAĆN#` µ5@T#ųĄAĆN#`•W¼@Wć8ąAĆN#aśģ@Oa¹@AĆN#a¦ž@PÜ  AĆN#b/AJ@QTˆ AĆN#b·äz@UO¼ĄAĆN#c@‡@Gć8ąAĆN#cÉ*0@^­Ż AĆN#dQĶ`@PÜ  AĆN#dŚq7@GkPąAĆN#ecf@R¼@ AĆN#eė·•@P(Ä AĆN#ftZ@LaAĆN#füżL@LaAĆN#g… {@D›ąĄAĆN#hCŖ@EČĄAĆN#h–ęŚ@BDX AĆN#iŠ±@Gć8ąAĆN#iØ-8@J²©AĆN#j0Šh@;*‘AĆN#j¹s—@hÓąAĆN#kBĘ@FóhąAĆN#kŹ¹õ@F{€ąAĆN#lS\}@BDX AĆN#lŪ’¬@F{€ąAĆN#md¢Ū@IJńAĆN#mķF @@Ü  AĆN#nuéā@IĀŁAĆN#nž@QĢp AĆN#o‡/˜@GkPąAĆN#pŅČ@<aAĆN#p˜u÷@2¼@ AĆN#q!&@5‹°ĄAĆN#q©¼V@= 1 AĆN#r2^Ż@FóhąAĆN#r» @= 1 AĆN#sC„ć@?Ł”@AĆN#sĢI@4›ąĄAĆN#tTģB@*:ĮAĆN#tŻq@0Ü  AĆN#uf1ł@-ś AĆN#uīÕ(@/Ł”@AĆN#vwxW@RDX AĆN#w†@3¬ĄAĆN#wˆæ]@&{€ąAĆN#xb@([ ąAĆN#xš@D›ąĄAĆN#y"ØD@0Ü  AĆN#y«Ks@&{€ąAĆN#z3ī¢@1Ģp AĆN#z¼‘Ń@::ĮAĆN#{E4Y@C¬ĄAĆN#{Ķ׈@::ĮAĆN#|Vz·@0Ü  AĆN#|ߎ@ Ü  AĆN#}gĮ¾@BDX AĆN#}šdķ@&{€ąAĆN#~yt@([ ąAĆN#Ŗ¤@-ś AĆN#ŠMÓ@4›ąĄAĆN#€ń@/Ł”@AĆN#€›”1@([ ąAĆN#$8 @7kPąAĆN#¬Ś@"¼@ AĆN#‚5}æ@2¼@ AĆN#‚¾ ļ@&{€ąAĆN#ƒFÄ@,aAĆN#ƒĻgM@BDX AĆN#„X Õ@5‹°ĄAĆN#„ą­@3¬Ą