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  = '00642620000'        / Observation ID                                 TARG_ID = '642620  '           / 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  =        455356659.413 / Start time                                     DATE-OBS= '2015-06-07T07:57:39.4' / Start Date                                  TSTOP   =      455356849.69756 / Stop time                                      DATE-END= '2015-06-07T08:00:49.7' / 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    = '2015-06-07T08:01:04' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -13.68466 / UTCF at TSTART                                 CHECKSUM= 'gLePiIZPgIdPgIZP'   / HDU checksum updated 2015-06-07T08:01:04       DATASUM = '         0'         / data unit checksum updated 2015-06-07T08:01:04 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  = '00642620000'        / Observation ID                                 TARG_ID = '642620  '           / 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    = '2015-06-07T08:01:04' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =        455356659.413 / Start time                                     DATE-OBS= '2015-06-07T07:57:39.4' / Start Date                                  TSTOP   =      455356849.69756 / Stop time                                      DATE-END= '2015-06-07T08:00:49.7' / Stop Date                                   UTCFINIT=            -13.68466 / 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 =               642620 / Trigger Number                                 XRA_OBJ =     140.075119018555 / [deg] XRT RA location GRB or Object            XDEC_OBJ=     68.4514007568359 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     190.284560024738 / TSTOP - TSTART                                 ONTIME  =     187.988327026367 / Time on target                                 LIVETIME=     187.988327026367 / Ontime multiplied by DEADC                     EXPOSURE=     187.988327026367 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           UTCCTIME=            -13.68466 / [s] UTC Correction TIME                        UTCCSEC =                  -14 / UTC Correction Seconds                         UTCCSUBS=                15767 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      455356871.86222 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            455356871 / ccsds PacKeT SEConds                           PKTSUBS =                43111 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= 'hhlghflZhfldhflZ'   / HDU checksum updated 2015-06-07T08:01:04       DATASUM = '3607486678'         / data unit checksum updated 2015-06-07T08:01:04 END                                                                             A�$0�i�^A�$0��h�A�$0�h�P@Oa�@A�$0�zB�@"�@�A�$0���
@-�
 A�$0���l@�
 A�$0��{@$���A�$0��Y�@::�A�$0��@,aA�$0����@5���A�$0��+V@*:�A�$0�pe@>�� A�$0��t@{��A�$1&��@([ �A�$1
8@�@P���A�$1I�@@ ܠ�A�$1Z͟@::�A�$1l�@1�p�A�$1}W�@4���A�$1��@0ܠ�A�$1��z@3��A�$1�)�@{��A�$1	�o�@4���A�$1
Ӵ�@Q�p�A�$1��@:�A�$1�@d@:�A�$1�s@$���A�$1��@,aA�$1*0@0ܠ�A�$1;W?@ ܠ�A�$1L�N@/١@A�$1]�@4���A�$1o)@=�
 A�$1�n@ ܠ�A�$1��)@H[ �A�$1���@*:�A�$1�>�@&{��A�$1ń�@1�p�A�$1��S@$���A�$1��@3��A�$1�Uq@ ܠ�A�$1
��@&{��A�$1��@>�� A�$1 -'=?��
 A�$1%Mw2@�#��A�$1'�V�@�Rh�A�$1*Q5T@�m��A�$1,��@�:z�A�$1/T�(@��@A�$11���@�@� A�$14X�K@�[� A�$16ڎ�@���A�$19\nn@�c�A�$1;�N'@��_`A�$1>`,�@�>j A�$1@�
�@��
�A�$1Cc�d@��oA�$1E��@�ޱ�A�$1Hg��@��A�$1J��@���`A�$1MkdZ@�� A�$1O�D@��@A�$1Ro"}@��z�A�$1T��@����A�$1Wr�P@��
`A�$1Y��
@�ޱ�A�$1\v�s@��@A�$1^�{�@��IA�$1azZG@�v�@A�$1c�;O@��g�A�$1f~�@���`A�$1h��#@���A�$1k�֌@��֠A�$1n��@���A�$1p���@�k�`A�$1ss@���A�$1u�Q�@�s�`A�$1x/�@��=A�$1z��@�A�A�$1}�@��oA�$1��y@�] A�$1���@�ˌ�A�$1����@�#K@A�$1�i@�&|A�$1��Go@��4�A�$1�'(@�C3`A�$1���@�k�A�$1��K@���A�$1��õ@�8� A�$1�!�@���A�$1����@��N�A�$1�%`B@�`�@A�$1��>�@�Rh�A�$1�)@�� A�$1����@���`A�$1�,�8@���A�$1����@���A�$1�0�@�)ǠA�$1��w�@���A�$1�4W~@����