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  = '00760064000'        / Observation ID                                 TARG_ID = '760064  '           / 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  =      520915644.00958 / Start time                                     DATE-OBS= '2017-07-05T02:47:24.0' / Start Date                                  TSTOP   =      520915749.62084 / Stop time                                      DATE-END= '2017-07-05T02:49:09.6' / 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    = '2017-07-05T02:48:57' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -19.31976 / UTCF at TSTART                                 CHECKSUM= 'dHbKdFZKdFbKdFZK'   / HDU checksum updated 2017-07-05T02:48:57       DATASUM = '         0'         / data unit checksum updated 2017-07-05T02:48:57 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  = '00760064000'        / Observation ID                                 TARG_ID = '760064  '           / 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    = '2017-07-05T02:48:57' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      520915644.00958 / Start time                                     DATE-OBS= '2017-07-05T02:47:24.0' / Start Date                                  TSTOP   =      520915749.62084 / Stop time                                      DATE-END= '2017-07-05T02:49:09.6' / Stop Date                                   UTCFINIT=            -19.31976 / 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 =               760064 / Trigger Number                                 XRA_OBJ =        191.712890625 / [deg] XRT RA location GRB or Object            XDEC_OBJ=     18.3048114776611 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     105.611259996891 / 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=            -19.31976 / [s] UTC Correction TIME                        UTCCSEC =                  -20 / UTC Correction Seconds                         UTCCSUBS=                34012 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =       520915749.6449 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            520915749 / ccsds PacKeT SEConds                           PKTSUBS =                32245 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= 'IlCbLi9aIiCaIi9a'   / HDU checksum updated 2017-07-05T02:48:57       DATASUM = '2862487445'         / data unit checksum updated 2017-07-05T02:48:57 END                                                                             A���s�A���p"A����9@a��A���ݘ@@d��A���%"�@@d��A���6g�@B�@�A���G�@P���A���X�s@QT��A���j:�@C��A���{�0@Y��A��ŌǏ@@ܠ�A��ƞ
�@<aA��ǯQ�@RDX�A�����@GkP�A�����j@C4(�A����$�@V�t�A����k'@=
1 A�����@;*�A�����@;*�A���(<�@4���A���9�@D���A���J�`@F�h�A���\�@;*�A���mU@IJ�A���~�|@<aA��Տ��@8[ �A��֡&�@2�@�A��ײmH@-�
 A���òW@F�h�A������@A�p�A����?@9J�A�����s@6{��A���ʂ@;*�A����@2�@�A���+W?@8[ �A���<��@<aA���M��@=�
 A���_)@5���A���pn@8[ �A��䁴x@>�� A�����@1�p�A���A5@0ܠ�A��絇�@BDX�A������@0ܠ�A����Q@8[ �A����X@@ܠ�A�����o@8[ �A�����@3��A���+,@AT��A���.q�@?١@A���?��@Rd�A���P��@C��A���bCW@=
1 A���s�f@?١@A�����@IJ�A����#@IJ�A����[�@N�� A������@Rd�A������@V��A����-M@V?��A����s�@L�I A������@RDX�A����@T���A��� Ex@G�8�A���1��@RDX�A��B��@V��A��
TD@H��A��e]�@Q��A��v�
@O١@A����@T���A���/o@M� A���t~@M�
 A�����@Q��A���
;@T#��A��	�G�@`���A��
��@Z:�A���V@Sp�A��
�@Rd�A��#^t@X��A��4��@]� A��E�1@`���A��W1�@X��A��hw�@`d��A��y�M@Y��A����@[�mA���I�@]
1 A�����@\�= A����(@d���A����@d���A���a�@i��A���D@rbR�A���R@r�I�A��3�@c��A��&z@m�
 A��7�@j�A�� I}@h,�A��!ZK�@k�sA��"k�:@j�A��#|ؙ@q�v�A��$��@md