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  = '00349931000'        / Observation ID                                 TARG_ID = '349931  '           / 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  =       262064190.6093 / Start time                                     DATE-OBS= '2009-04-22T03:36:30.6' / Start Date                                  TSTOP   =        262064421.286 / Stop time                                      DATE-END= '2009-04-22T03:40:21.3' / 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    = '2009-04-22T03:42:15' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=             -4.67912 / UTCF at TSTART                                 CHECKSUM= '0NnR3MkO0MkO0MkO'   / HDU checksum updated 2009-04-22T03:42:15       DATASUM = '         0'         / data unit checksum updated 2009-04-22T03:42:15 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  = '00349931000'        / Observation ID                                 TARG_ID = '349931  '           / 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    = '2009-04-22T03:42:15' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =       262064190.6093 / Start time                                     DATE-OBS= '2009-04-22T03:36:30.6' / Start Date                                  TSTOP   =        262064421.286 / Stop time                                      DATE-END= '2009-04-22T03:40:21.3' / Stop Date                                   UTCFINIT=             -4.67912 / 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 =               349931 / Trigger Number                                 XRA_OBJ =     294.728729248047 / [deg] XRT RA location GRB or Object            XDEC_OBJ=     40.3807945251465 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     230.676700025797 / TSTOP - TSTART                                 ONTIME  =     228.302658081055 / Time on target                                 LIVETIME=     228.302658081055 / Ontime multiplied by DEADC                     EXPOSURE=     228.302658081055 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           UTCCTIME=             -4.67912 / [s] UTC Correction TIME                        UTCCSEC =                   -5 / UTC Correction Seconds                         UTCCSUBS=                16044 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      262064421.32486 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            262064421 / ccsds PacKeT SEConds                           PKTSUBS =                16243 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= 'P3ngQ2mfP2mfP2mf'   / HDU checksum updated 2009-04-22T03:42:15       DATASUM = '3492142772'         / data unit checksum updated 2009-04-22T03:42:15 END                                                                             A�=�}7�+A�=�~R�A�=�;��@]F% A�=��^?�@{��A�=����y@{��A�=���V�@0ܠ�A�=����@ ܠ�A�=���mr@A�p�A�=��
�/@$���A�=��-�M@D���A�=��P
@7kP�A�=��r��@/١@A�=���%F@/١@A�=����@&{��A�=���>�@9J�A�=����}?��
 A�=��_Z�@I���A�=��c�@J�� A�=��f�@LQ;`A�=��j��@JR�A�=��nP�@J�� A�=��r8@M飠A�=��uϫ@L�b�A�=��y�~@J�� A�=��}IR@J�� A�=�ҁ�@L.`A�=�ׄŗ@J��A�=�܈�k@J�� A�=��D|@I���A�=��
P@K�@A�=�듾#@J�� A�=��z�@I���A�=���:i@J�� A�=����<@J�A�=�����@G��A�=��s�@J�� A�=�	�2�@L�H`A�=����@K�@A�=����@H�]�A�=��l
@J�� A�=��(�@KQ� A�=�"��S@J�� A�=�'���@H!)�A�=�,�d�@L.`A�=�1�!l@K�@A�=�6��@@JR�A�=�;ϝ�@J�� A�=�@�]%@JR�A�=�E��@K�!@A�=�J���@JR�A�=�Oޖ>@J�� A�=�T�S@I���A�=�Y��@J�� A�=�^��W@L�U�A�=�c��@L.`A�=�h�K�@JR�A�=�m�@F��@A�=�r���@I��A�=�w���@K�@A�=�}A�@J�� A�=���@J��A�=���n@I��A�=��}A@H�]�A�=��<�@I��A�=����@K� A�=���[@I���A�=��u�@LQ;`A�=��5?@KQ� A�=��!�@J�� A�=��%��@K� A�=��)k�@H�]�A�=��-+,@K�!@A�=��0�@J�� A�=��4�r@JR�A�=��8f�@H�C�A�=��<#�@H�]�A�=��?��@I j�A�=��C��@H�]�A�=��G_p@K�@A�=��KC@J�� A�=��N�@ISw�A�=��R��@J�� A�=��VU\@K�@A�=��Z0@JR�A�=��]�A@H�C�A�=��a�@J�A�=�eM�@K�@A�=�	i
Z@J��A�=�l�.@HT6�A�=�p�
@KQ� A�=�tFt@H�]�A�=�x�@J��A�=�"{¹@I j�A�=�'�@I���A�=�,�>�@L.`A�=�1���@L.`A�=�6��E@K�@A�=�;�z�@H�]�A�=�@�7�@L�b�A�=�E��^@I��