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  = '00500100000'        / Observation ID                                 TARG_ID = '500100  '           / 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  =      334824022.12436 / Start time                                     DATE-OBS= '2011-08-12T06:40:22.1' / Start Date                                  TSTOP   =      334825179.24521 / Stop time                                      DATE-END= '2011-08-12T06:59:39.2' / 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    = '2011-08-12T06:59:42' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=             -7.25196 / UTCF at TSTART                                 CHECKSUM= 'hLjRkKiRhKiRhKiR'   / HDU checksum updated 2011-08-12T06:59:42       DATASUM = '         0'         / data unit checksum updated 2011-08-12T06:59:42 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                    6 / width of table in bytes                        NAXIS2  =                 1024 / number of rows in table                        PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    2 / number of fields in each row                   TTYPE1  = 'CHANNEL '           / label for field   1                            TFORM1  = '1I      '           / data format of field: 2-byte INTEGER           TUNIT1  = 'chan    '           / physical unit of field                         TTYPE2  = 'COUNTS  '           / label for field   2                            TFORM2  = '1J      '           / data format of field: 4-byte INTEGER           TUNIT2  = 'count   '           / physical unit of field                         EXTNAME = 'SPECTRUM'           / name of this binary table extension            TLMIN1  =                    0 / minimum legal value in the column              TLMAX1  =                 1023 / maximum legal value in the column              MESGNAME= 'XRT_SPECTRUM'       / Name of the message                            TELESCOP= 'SWIFT   '           / Telescope (mission) name                       INSTRUME= 'XRT     '           / Instrument name                                OBS_ID  = '00500100000'        / Observation ID                                 TARG_ID = '500100  '           / 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    = '2011-08-12T06:59:42' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      334824022.12436 / Start time                                     DATE-OBS= '2011-08-12T06:40:22.1' / Start Date                                  TSTOP   =      334825179.24521 / Stop time                                      DATE-END= '2011-08-12T06:59:39.2' / Stop Date                                   UTCFINIT=             -7.25196 / UTCF at TSTART                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'SPECTRUM'           / Time ordered data                              HDUCLAS2= 'TOTAL   '           / Source + background                            HDUCLAS3= 'COUNT   '           / Data provided as counts                        HDUVERS = '1.2.0   '           / Version of format (OGIP memo OGIP-92-007)      TRIGGER =               500100 / Trigger Number                                 DATAMODE= 'WINDOWED'           / Instrument operating mode                      AREASCAL=                   1. / area scaling factor                            BACKFILE= 'none    '           / associated background filename                 BACKSCAL=                   1. / background file scaling factor                 CORRFILE= 'none    '           / associated correction filename                 CORRSCAL=                   1. / correction file scaling factor                 RESPFILE= 'none    '           / associated redistrib matrix filename           ANCRFILE= 'none    '           / associated ancillary response filename         PHAVERSN= '1992a   '           / obsolete                                       DETCHANS=                 1024 / total number possible channels                 CHANTYPE= 'PHA     '           / channel type (PHA, PI etc)                     POISSERR=                    T / Poissonian errors to be assumed                STAT_ERR=                    0 / no statistical error specified                 SYS_ERR =                    0 / no systematic error specified                  GROUPING=                    0 / no grouping of the data has been defined       QUALITY =                    0 / no data quality information specified          PACKET1 =                    T / Data from packet #1 present                    PACKET2 =                    T / Data from packet #2 present                    PACKET3 =                    T / Data from packet #3 present                    PCKT_SQ1=                  153 / Actual PKT#1 CCSDS sequence number             PCKT_SQ2=                  154 / Predicted PKT#2 CCSDS sequence number          PCKT_SQ3=                  155 / Predicted PKT#3 CCSDS sequence number          APID    =                 1249 / Application Process Identifier                 XRA_OBJ =     135.531463623047 / [deg] XRT RA location of GRB or Object         XDEC_OBJ=    -40.5395469665527 / [deg] XRT DEC location of GRB or Object        TELAPSE =     1157.12084960938 / TSTOP - TSTART                                 ONTIME  =     1157.12084960938 / Time on target                                 LIVETIME=     1157.12084960938 / Ontime multiplied by DEADC                     EXPOSURE=     1157.12084960938 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           TERMMODE=                   65 / spectrum termination mode                      XRTMODE =                    6 / XRT mode                                       WAVEFORM=                   60 / XRT waveform                                   BIASLVL =                   0. / Bias calculated on board [if = 0 not applied]  P1UTCC  =             -7.25196 / [s] ccsds PacKeT #1 TIME=P1UTCCS+P1UTCCSS*2e-5 P1UTCCS =                   -8 / Packet #1 UTC Correction Seconds               P1UTCCSS=                37402 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME=      334825179.32484 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC =            334825179 / ccsds PacKeT #1 SEConds                        PKT1SUBS=                16242 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds      CHECKSUM= 'cfO7fcL5ccL5ccL5'   / HDU checksum updated 2011-08-12T06:59:49       DATASUM = '2047833812'         / data unit checksum updated 2011-08-12T06:59:49 P2UTCC  =             -7.25196 / [s] Packet #2 UTC Correction time              P2UTCCS =                   -8 / Packet #2 UTC Correction Seconds               P2UTCCSS=                37402 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME=       334825179.4597 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC =            334825179 / ccsds PacKeT #2 SEConds                        PKT2SUBS=                22985 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds      P3UTCC  =             -7.25196 / [s] Packet #3 UTC Correction time              P3UTCCS =                   -8 / Packet #3 UTC Correction Seconds               P3UTCCSS=                37402 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME=      334825179.54222 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC =            334825179 / ccsds PacKeT #3 SEConds                        PKT3SUBS=                27111 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds      END                                                                                                                                                                                                                                                                                                                                                                                                             
	

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