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  = '01163119000'        / Observation ID                                 TARG_ID = '1163119 '           / 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  =      702417585.59422 / Start time                                     DATE-OBS= '2023-04-05T19:59:45.6' / Start Date                                  TSTOP   =      702417691.19546 / Stop time                                      DATE-END= '2023-04-05T20:01:31.2' / 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    = '2023-04-05T20:01:06' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -31.05298 / UTCF at TSTART                                 CHECKSUM= 'lMdKoKbKlKbKlKbK'   / HDU checksum updated 2023-04-05T20:01:06       DATASUM = '         0'         / data unit checksum updated 2023-04-05T20:01:06 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  = '01163119000'        / Observation ID                                 TARG_ID = '1163119 '           / 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    = '2023-04-05T20:01:06' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      702417585.59422 / Start time                                     DATE-OBS= '2023-04-05T19:59:45.6' / Start Date                                  TSTOP   =      702417691.19546 / Stop time                                      DATE-END= '2023-04-05T20:01:31.2' / Stop Date                                   UTCFINIT=            -31.05298 / 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 =              1163119 / Trigger Number                                 XRA_OBJ =     271.473327636719 / [deg] XRT RA location GRB or Object            XDEC_OBJ=     -47.070873260498 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     105.601239919662 / 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=            -31.05298 / [s] UTC Correction TIME                        UTCCSEC =                  -32 / UTC Correction Seconds                         UTCCSUBS=                47351 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =       702417691.2448 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            702417691 / ccsds PacKeT SEConds                           PKTSUBS =                12240 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= '7eEgBZDe9dDeAZDe'   / HDU checksum updated 2023-04-05T20:01:06       DATASUM = '3719096266'         / data unit checksum updated 2023-04-05T20:01:06 END                                                                             A��X�gA��Y�A��YJ�P@V{��A��Yӂ�@::�A��Z\%�@>�� A��Z��6@7kP�A��[mkf@2�@�A��[��@9J�A��\~�@7kP�A��]TL@3��A��]��{@K*�A��^�@G�8�A��^�=2@*:�A��_)�a@C��A��_���@=�
 A��`;%p@M
1 A��`�ȟ@/١@A��aLk�@E��A��a�V@::�A��b]��@4���A��b�T�@0ܠ�A��cn�<@/١@A��c��k@D#��A��d�=�@/١@A��e�"@/١@A��e��Q@4���A��f&�@9J�A��f��@([ �A��g+k�@=�
 A��g��@@ܠ�A��h<��@=
1 A��h�Tv@5���A��iM��@K*�A��i֚�@`���A��j_=\@8[ �A��j���@3��A��kp��@0ܠ�A��k�&B@*:�A��l��q@-�
 A��m
l�@D���A��m��@Pܠ�A��n��@,aA��n�T�@,aA��o,�@,aA��o���@E��A��p>=�@F{��A��p���@"�@�A��qO�{@$���A��q�&�@0ܠ�A��r`��@/١@A��r�la@2�@�A��sr�@D#��A��s���@>�� A��t�UG@"�@�A��u�w@�@�A��u���@5���A��v>-@9J�A��v��@1�p�A��w.��@6{��A��w�'@<aA��x?ɛ@A�p�A��x�l�@*:�A��yQ�@BDX�A��yٲ�@=
1 A��zbU�@<aA��z���@7kP�A��{s�g@M�
 A��{�>�@BDX�A��|���@::�A��}
�M@&{��A��}�&�@2�@�A��~�@M�
 A��~�m3@::�A��0�@2�@�A�����@C��A���AV@^q� A������@4���A���R��@"�@�A����>�@M�
 A���c�@BDX�A���섶@K*�A���u'�@5���A�����@*:�A����l�@E��A���#@([ �A�����S@::�A��� U�@,aA�����	@([ �A���1�9@0ܠ�A����>�@0ܠ�A���B��@8[ �A���˅@@ܠ�A���T'�@:�A������@([ �A���en@([ �A����4@BDX�A���v��@:�A����V�@1�p�A�����r@2�@�A�����@C4(�