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  = '01054681000'        / Observation ID                                 TARG_ID = '1054681 '           / 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  =       645047601.3945 / Start time                                     DATE-OBS= '2021-06-10T19:53:21.4' / Start Date                                  TSTOP   =      645047706.97592 / Stop time                                      DATE-END= '2021-06-10T19:55:07.0' / 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    = '2021-06-10T20:01:39' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -27.17384 / UTCF at TSTART                                 CHECKSUM= 'lIdSoGZSlGdSlGZS'   / HDU checksum updated 2021-06-10T20:01:39       DATASUM = '         0'         / data unit checksum updated 2021-06-10T20:01:39 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  = '01054681000'        / Observation ID                                 TARG_ID = '1054681 '           / 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    = '2021-06-10T20:01:39' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =       645047601.3945 / Start time                                     DATE-OBS= '2021-06-10T19:53:21.4' / Start Date                                  TSTOP   =      645047706.97592 / Stop time                                      DATE-END= '2021-06-10T19:55:07.0' / Stop Date                                   UTCFINIT=            -27.17384 / 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 =              1054681 / Trigger Number                                 XRA_OBJ =     243.916305541992 / [deg] XRT RA location GRB or Object            XDEC_OBJ=     14.3922281265259 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     105.581419944763 / 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=            -27.17384 / [s] UTC Correction TIME                        UTCCSEC =                  -28 / UTC Correction Seconds                         UTCCSUBS=                41308 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      645047707.04492 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            645047707 / ccsds PacKeT SEConds                           PKTSUBS =                 2246 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= '3dkb5ZkZ3bkb3ZkZ'   / HDU checksum updated 2021-06-10T20:01:39       DATASUM = '3674284755'         / data unit checksum updated 2021-06-10T20:01:39 END                                                                             A�9R��~�A�9R��VA�9R�.��@|aA�9R��b@u@��A�9R�@�@xy�A�9R�ȧ�@w\S�A�9R�QJ�@~� A�9R���$@x.)�A�9R�b�S@s��A�9R��3�@r�F�A�9R�s�
@t���A�9R��z:@t#��A�9R��i@t���A�9R�
�H@v�h�A�9R��bx@r�=�A�9R��@q6��A�9R����@r�@�A�9R�0L@q�|�A�9R���@rDX�A�9R�A��@r�C�A�9R��4�@r�7�A�9R�R�@u@��A�9R��z�@r�C�A�9R�d�@p���A�9R���
@pǠA�9R�ud0@s�A�9R��_@q��A�9R����@n�� A�9R�M@qc��A�9R���E@m� A�9R� �u@s�
�A�9R��5�@f?��A�9R�1؄@p���A�9R��{�@p7��A�9R�C�@l�I A�9R���@i��A�9R�Td�@ih�A�9R���@laA�9R�e��@k*�A�9R��N'@j��A�9R�v�@kH�A�9R����@j��A�9R��7
@k�yA�9R��<@h
2�A�9R��}k@md A�9R�"�@g�J�A�9R���"@qT��A�9R�3fQ@d���A�9R��	�@g�8�A�9R�D�@f?��A�9R��N�@f?��A�9R�U�@gb�A�9R�ޔ�@eO��A�9R�g8@g�8�A�9R��ڥ@gMV�A�9R�x}�@h,�A�9R�
!@e��A�9R���3@d#��A�9R�f�@g/\�A�9R��	�@d���A�9R�#�@jv�A�9R��PH@c.�A�9R�4��@bbR�A�9R����@c4(�A�9R�F9.@c��A�9R���]@d���A�9R�W�@d#��A�9R��"@f!��A�9R�hĜ@eO��A�9R��g�@g/\�A�9R�z
�@]�
 A�9R���@b�L�A�9R��P�@bbR�A�9R���@em��A�9R���@`F��A�9R�%:?@f?��A�9R����@a��A�9R�6�@`(ĠA�9R��#%@^q� A�9R�G�T@`���A�9R��h�@a�j�A�9R�Y@d��A�9R��:@ar��A�9R�jRi@gkP�A�9R����@ar��A�9R�{� @_a�@A�9R�:�@]�
 A�9Rƌ��@c.�A�9R��@_��@A�9RǞ#�@]
1 A�9R�&ƽ@[f�A�9Rȯi�@]�
 A�9R�8
@Y��A�9R����@d���A�9R�IR�@\�= A�9R���
@^q� A�9R�Z�1@T#��A�9R��<`@_%� A�9R�k��@dA��A�9R��@_��@