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  = '00773898000'        / Observation ID                                 TARG_ID = '773898  '           / 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  =      527942703.60778 / Start time                                     DATE-OBS= '2017-09-24T10:45:03.6' / Start Date                                  TSTOP   =      527942809.20852 / Stop time                                      DATE-END= '2017-09-24T10:46:49.2' / 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    = '2017-09-24T10:52:09' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -19.73568 / UTCF at TSTART                                 CHECKSUM= 'cGZLcEWJcEWJcEWJ'   / HDU checksum updated 2017-09-24T10:52:09       DATASUM = '         0'         / data unit checksum updated 2017-09-24T10:52:09 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  = '00773898000'        / Observation ID                                 TARG_ID = '773898  '           / 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    = '2017-09-24T10:52:09' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      527942703.60778 / Start time                                     DATE-OBS= '2017-09-24T10:45:03.6' / Start Date                                  TSTOP   =      527942809.20852 / Stop time                                      DATE-END= '2017-09-24T10:46:49.2' / Stop Date                                   UTCFINIT=            -19.73568 / 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 =               773898 / Trigger Number                                 XRA_OBJ =     255.061752319336 / [deg] XRT RA location GRB or Object            XDEC_OBJ=    -41.9336242675781 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     105.600740015507 / 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=            -19.73568 / [s] UTC Correction TIME                        UTCCSEC =                  -20 / UTC Correction Seconds                         UTCCSUBS=                13216 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      527942809.24908 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            527942809 / ccsds PacKeT SEConds                           PKTSUBS =                12454 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= '9Bd7I9d59Ad5G7d5'   / HDU checksum updated 2017-09-24T10:52:09       DATASUM = '1858904455'         / data unit checksum updated 2017-09-24T10:52:09 END                                                                             A�w�/��xA�w�0	GA�w�0��#@`F��A�w�1�9�@2�@�A�w�2�~�@=
1 A�w�3���@9J�A�w�4�N@S4(�A�w�5�Q�@5���A�w�7�@&{��A�w�8�j@-�
 A�w�9#$�@&{��A�w�:4k'@�
 A�w�;E��@6{��A�w�<V��@=
1 A�w�=h>B@BDX�A�w�>y��@C4(�A�w�?�ɰ@2�@�A�w�@�@F{��A�w�A�Vm@@d��A�w�B���@AT��A�w�C��*@?١@A�w�D�)�@1�p�A�w�E�o�@D���A�w�G�F@3��A�w�H��@BDX�A�w�I&C@,aA�w�J7�a@6{��A�w�KH�p@::�A�w�LZ�@Oa�@A�w�Mk[-@1�p�A�w�N|��@4���A�w�O���@2�@�A�w�P�.I@@ܠ�A�w�Q�t�@3��A�w�R��@"�@�A�w�S�
e@[�mA�w�T�G�@O١@A�w�U��"@"�@�A�w�WԀ@5���A�w�X�@=
1 A�w�Y)^�@D���A�w�Z:��@@ܠ�A�w�[K�[@1�p�A�w�\]1�@;*�A�w�]nx@^5� A�w�^�w@6{��A�w�_��@C4(�A�w�`�K4@9J�A�w�a���@AT��A�w�b���@,aA�w�c�@;*�A�w�d�c^@A�p�A�w�e���@>�� A�w�g	�@]� A�w�h6z@@d��A�w�i,|�@M�
 A�w�j=�7@RDX�A�w�kO	�@5���A�w�l`O�@E���A�w�mq�S@@d��A�w�n�ܱ@::�A�w�o�#@B�@�A�w�p�h@P(ĠA�w�q��}@;*�A�w�r���@ ܠ�A�w�s�;:@::�A�w�tꁙ@([ �A�w�u���@3��A�w�w
V@3��A�w�xT�@*:�A�w�y/�@IJ�A�w�z@�r@{��A�w�{R'�@9J�A�w�|cn/@5���A�w�}t�>@-�
 A�w�~���@0ܠ�A�w��?�@IJ�A�wĀ��Y@@ܠ�A�wā�̸@([ �A�wĂ�@:�A�wă�Yu@$���A�wĄ��@::�A�wą��2@6{��A�wć,�@::�A�wĈ!r�@@d��A�wĉ2�N@0ܠ�A�wĊC�]@4���A�wċUD�@S��A�wČf�@<aA�wčw�x@@ܠ�A�wĎ��@*:�A�wď�^5@BDX�A�wĐ���@\aA�wđ���@0ܠ�A�wĒ�1Q@GkP�A�wē�w�@@ܠ�A�wĔ�@AT��A�wĖl@@d��A�wėI{@/١@A�wĘ$��@<a