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  = '00649916000'        / Observation ID                                 TARG_ID = '649916  '           / 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  =      459255125.60944 / Start time                                     DATE-OBS= '2015-07-22T10:52:05.6' / Start Date                                  TSTOP   =       459255373.5949 / Stop time                                      DATE-END= '2015-07-22T10:56:13.6' / 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    = '2015-07-22T11:01:19' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -14.88772 / UTCF at TSTART                                 CHECKSUM= 'iIhOjFZMiFfMiFZM'   / HDU checksum updated 2015-07-22T11:01:19       DATASUM = '         0'         / data unit checksum updated 2015-07-22T11:01:19 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  = '00649916000'        / Observation ID                                 TARG_ID = '649916  '           / 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    = '2015-07-22T11:01:19' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      459255125.60944 / Start time                                     DATE-OBS= '2015-07-22T10:52:05.6' / Start Date                                  TSTOP   =       459255373.5949 / Stop time                                      DATE-END= '2015-07-22T10:56:13.6' / Stop Date                                   UTCFINIT=            -14.88772 / 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 =               649916 / Trigger Number                                 XRA_OBJ =      218.27311706543 / [deg] XRT RA location GRB or Object            XDEC_OBJ=    -35.1861534118652 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     247.985459983349 / TSTOP - TSTART                                 ONTIME  =     245.580215454102 / Time on target                                 LIVETIME=     245.580215454102 / Ontime multiplied by DEADC                     EXPOSURE=     245.580215454102 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           UTCCTIME=            -14.88772 / [s] UTC Correction TIME                        UTCCSEC =                  -15 / UTC Correction Seconds                         UTCCSUBS=                 5614 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      459255373.64504 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            459255373 / ccsds PacKeT SEConds                           PKTSUBS =                32252 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= '5QEX8OEV5OEV5OEV'   / HDU checksum updated 2015-07-22T11:01:19       DATASUM = '1202791110'         / data unit checksum updated 2015-07-22T11:01:19 END                                                                             A�_�U�CA�_�V	�1A�_�V���@Rd�A�_�W�!-A�_�\�>B@8T6�A�_�_j�@6U�@A�_�a��e@5�� A�_�dm��@8�P�A�_�fﺈ@6U�@A�_�iq�A@6U�@A�_�k�x�@6U�@A�_�nuXd@;�!@A�_�p�6�@5#fA�_�sy�@5� A�_�u���@4�K�A�_�x|�[@5#fA�_�z��c@4�K�A�_�}���@3��A�_��r�@4�K�A�_���P�@6U�@A�_��/Z@7!�`A�_���@7!�`A�_��	�|@4W1�A�_���΅@4W1�A�_��
��@4�K�A�_�����@5#fA�_��k@3���A�_���I{@3��A�_��)5@3��A�_����@3��A�_���@8�P�A�_����@2X��A�_���z@4W1�A�_����4@1�`A�_�� c�@4�K�A�_���CW@3���A�_��$!�@6��@A�_����@2�ɀA�_��'�3@4W1�A�_�����@4�K�A�_��+�V@4W1�A�_���}�@5�� A�_��/]y@7!�`A�_���;�@6��@A�_��3�@3$�A�_�ô�U@3���A�_��6پ@3��A�_�ȸ�x@3��A�_��:��@2�ɀA�_�ͼw�@3$�A�_��>V@3$�A�_���5�@5�� A�_��Bw@3��A�_�����@5�� A�_��Eә@5#fA�_��Dz@7!�`A�_��I��@4�K�A�_���p&@6��@A�_��MN�@8T6�A�_���/�@9 j�A�_��Q@9 j�A�_�����@4W1�A�_��T�%@6U�@A�_��֫�@4�K�A�_��X�H@5� A�_���j
@5�� A�_��\Hk@5� A�_���($@7!�`A�_��`�@5� A�_����G@9��A�_�c�@7!�`A�_��j@9���A�_�g�#@6��@A�_�	�b�@9��A�_�kBF@9��A�_��!�@5#fA�_�oi@7��A�_���"@5� A�_�r��@7��A�_���E@5#fA�_�v|�@6��@A�_��\h@7!�`A�_� z<!@8�P�A�_�"��@9 j�A�_�%}�D@6��@A�_�'�خ@7��A�_�*��g@6��@A�_�-��@8�P�A�_�/�u:@7!�`A�_�2VC@9 j�A�_�4�4�@8T6�A�_�7f@7!�`A�_�9���@9���A�_�<҉@8�P�A�_�>���@9���A�_�A�\@5#fA�_�C�o@6U�@A�_�FN�@7!�`A�_�H�.�@7��A�_�K�@7��