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  = '00650530000'        / Observation ID                                 TARG_ID = '650530  '           / 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  =      459716619.79284 / Start time                                     DATE-OBS= '2015-07-27T19:03:39.8' / Start Date                                  TSTOP   =      459716725.42816 / Stop time                                      DATE-END= '2015-07-27T19:05:25.4' / 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    = '2015-07-27T19:17:50' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -14.91186 / UTCF at TSTART                                 CHECKSUM= 'ZDaOfCYNZCaNfCWN'   / HDU checksum updated 2015-07-27T19:17:50       DATASUM = '         0'         / data unit checksum updated 2015-07-27T19:17:50 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  = '00650530000'        / Observation ID                                 TARG_ID = '650530  '           / 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    = '2015-07-27T19:17:50' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      459716619.79284 / Start time                                     DATE-OBS= '2015-07-27T19:03:39.8' / Start Date                                  TSTOP   =      459716725.42816 / Stop time                                      DATE-END= '2015-07-27T19:05:25.4' / Stop Date                                   UTCFINIT=            -14.91186 / 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 =               650530 / Trigger Number                                 XRA_OBJ =     204.020416259766 / [deg] XRT RA location GRB or Object            XDEC_OBJ=    -18.3585529327393 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     105.635320007801 / 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=            -14.91186 / [s] UTC Correction TIME                        UTCCSEC =                  -15 / UTC Correction Seconds                         UTCCSUBS=                 4407 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      459716725.54168 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            459716725 / ccsds PacKeT SEConds                           PKTSUBS =                27084 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= 'ILMYLLMWILMWILMW'   / HDU checksum updated 2015-07-27T19:17:50       DATASUM = '812263768'          / data unit checksum updated 2015-07-27T19:17:50 END                                                                             A�f����A�f�8��A�f��A @v�t�A�f�
�@um��A�f����@t���A�f�<@qT��A�f�YK@p���A�f�'�Z@qc��A�f�8�@p띠A�f�J+@r�7�A�f�[qv@pd��A�f�l��@s1�A�f�}�3@ra�A�f��D�@o��@A�f����@v��A�f����@k�sA�f��]@m�
 A�f��[l@l�7 A�f���@mF% A�f���)@p���A�f� -8@m�
 A�f�!s�@i��A�f�"*��@i��A�f�#<T@o��@A�f�$MF�@nS� A�f�%^�@m(+ A�f�&o�o@g�8�A�f�'�/@gb�A�f�(�]�@f!��A�f�)���@e���A�f�*��K@d#��A�f�+�0�@d}��A�f�,�w@laA�f�-�f@b�:�A�f�.�u@bd�A�f�0H�@d��A�f�1�2@b�L�A�f�2-�A@em��A�f�3?�@aT��A�f�4P`�@c�
�A�f�5a�
@a�|�A�f�6r�l@c4(�A�f�7�2�@b&^�A�f�8�y)@a�|�A�f�9���@`F��A�f�:��@d}��A�f�;�LD@Y��A�f�<ڑS@_%� A�f�=��b@Y��A�f�>��@_%� A�f�@c @`���A�f�A�~@a�v�A�f�B0��@]�
 A�f�CB4�@`ܠ�A�f�DS{J@\�= A�f�Ed��@Z�A�f�Fv@X,�A�f�G�Nf@Y��A�f�H��u@`
ʠA�f�I���@Z��A�f�J��@P���A�f�K�eA@YJ�A�f�Lݫ�@U��A�f�M���@W�8�A�f�O8\@R�@�A�f�P~�@T_��A�f�Q"��@Rd�A�f�R4
(@Pܠ�A�f�SEO7@U���A�f�TV��@M� A�f�Ug��@YJ�A�f�Vy"S@R�L�A�f�W�h�@\�I A�f�X���@V{��A�f�Y��@P(ĠA�f�Z�:~@]�
 A�f�[π�@Q�p�A�f�\��;@T#��A�f�]�
�@]F% A�f�_QY@G�8�A�f�`��@S4(�A�f�a%�@RDX�A�f�b7$t@RDX�A�f�cHj�@R�4�A�f�dY�1@K�yA�f�ej�@@J:�A�f�f|<�@P���A�f�g���@Oa�@A�f�h��\@G�8�A�f�i�k@Pܠ�A�f�j�T�@M�
 A�f�kқ(@Q�|�A�f�l��7@H��A�f�m�&�@K�yA�f�ol�@F��A�f�p�S@^�� A�f�q(��@G�8�A�f�r:@@N�� A�f�sK�@E���A�f�t\�}@J:�