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 = '01153670000' / Observation ID TARG_ID = '1153670 ' / 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 = 697701293.20948 / Start time DATE-OBS= '2023-02-10T05:54:53.2' / Start Date TSTOP = 697701541.17156 / Stop time DATE-END= '2023-02-10T05:59:01.2' / 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 = '2023-02-10T05:59:20' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -30.73178 / UTCF at TSTART CHECKSUM= 'kJgNlJZNkJdNkJZN' / HDU checksum updated 2023-02-10T05:59:20 DATASUM = ' 0' / data unit checksum updated 2023-02-10T05:59:20 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 = '01153670000' / Observation ID TARG_ID = '1153670 ' / 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 = '2023-02-10T05:59:20' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 697701293.20948 / Start time DATE-OBS= '2023-02-10T05:54:53.2' / Start Date TSTOP = 697701541.17156 / Stop time DATE-END= '2023-02-10T05:59:01.2' / Stop Date UTCFINIT= -30.73178 / 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 = 1153670 / Trigger Number XRA_OBJ = 50.7391891479492 / [deg] XRT RA location GRB or Object XDEC_OBJ= 7.1624174118042 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 247.962080001831 / TSTOP - TSTART ONTIME = 245.580215454102 / Time on target LIVETIME= 245.580215454102 / Ontime multiplied by DEADC EXPOSURE= 245.580215454102 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -30.73178 / [s] UTC Correction TIME UTCCSEC = -31 / UTC Correction Seconds UTCCSUBS= 13411 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 697701541.24484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 697701541 / ccsds PacKeT SEConds PKTSUBS = 12242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'S3H4V2F1S2F1S2F1' / HDU checksum updated 2023-02-10T05:59:20 DATASUM = '3468207208' / data unit checksum updated 2023-02-10T05:59:20 END A ֚>A ѨA e@X[ A ןjA =d@/& A ~A@2ɀA ܿ@1&a@A @2XA A@0Z- A {@3A k@2XA [l@1&a@A EK@3$A ;@1{@A +@4W1A @0G A I c@/& A @@1{@A @7!`A @2ɀA L@1{@A @/A Ϋ6@.OA @.OA P@1`A z@1`A j@4W1A Z@2ɀA TJb@1`A :?@1{@A *@2XA @2ɀA X |@0G A Y@1`A 6@1{@A @2XA [@6U@A @2XA ݩ@1&a@A @0G A _a@/& A y@2XA i@0G A "Y@/& A cI{@0G A 9X@2XA )@2XA &@2ɀA g@5#fA @1`A @5#fA )+@1`A j@1`A @3A @3$A -F@2ɀA n"@2XA xW@5 A h4@1`A 1X@2XA rH@3A !8q@1&a@A "(N@1`A $5+@1`A %v@1`A &@3$A 'h@2XA )8ם@4KA *y!@2ɀA +@1`A ,@3A .<@3$A /}@1{@A 0x@1&a@A 1g@3A 3@W@0G A 4G@1`A 57@4KA 7'g@0G A 8DD@1`A 9!@0G A :@4KA <@1{@A =G^@2XA >;@1{@A ?ɷ@/& A A @1`A BK@2XA C@2ɀA Dw2@5#fA Fg@2ɀA GOV@3A HF@4W1A I7L@1{@A K'(@4KA LS@0G A M@1{@A N@3$A P@3A QVw@4W1