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  = '00433509000'        / Observation ID                                 TARG_ID = '433509  '           / Target ID                                      SEG_NUM = '0       '           / Segment number                                 TIMESYS = 'TT      '           / time system                                    MJDREFI =                51910 / MJD reference day 01 Jan 2001 00:00:00         MJDREFF =        0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:TIMEUNIT= 's       '           / Time unit for timing header keywords           TIERRELA=              1.0E-08 / [s/s] Estimated relative clock rate error      TIERABSO=                   1. / [s] Estimated absolute clock offset error      TSTART  =      305473856.60958 / Start time                                     DATE-OBS= '2010-09-06T13:49:26'                                                 TSTOP   =      305473962.22694 / Stop time                                      DATE-END= '2010-09-06T13:52:41'                                                 CLOCKAPP=                    F / If clock correction are applied (F/T)          ORIGIN  = 'GSFC    '           / Source of FITS file                            CREATOR = 'TDRSS2FITS V3.22'   / Program that created this FITS file            TLM2FITS= 'V3.22   '           / Telemetry converter version number             DATE    = '2010-09-12T12:17:20' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=    -6.15152000000000 / [s] UTCF at TSTART                             CHECKSUM= 'keTAldS6kdSAkdS5'   / HDU checksum updated 2010-09-12T16:04:04       DATASUM = '         0'         / data unit checksum updated 2010-09-12T12:17:20 OBJECT  = 'GRB100906a'                                                          PROCVER = '3.13.17 '           / Processing script version                      SOFTVER = 'Hea_13May2009_V6.6.3_Swift_Rel3.3(Bld24.3)_12May2009' / HEASOFT and SCALDBVER= 'b20090130_u20100129_x20091130_m20100331' / CALDB index versions used ATTFLAG = '100     '           / Orgin of attitude information                  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  = '00433509000'        / Observation ID                                 TARG_ID = '433509  '           / Target ID                                      SEG_NUM = '0       '           / Segment number                                 CREATOR = 'TDRSS2FITS V3.22'   / Program that created this FITS file            ORIGIN  = 'GSFC    '           / Source of FITS file                            TLM2FITS= 'V3.22   '           / 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-8 / [s/s] relative errors expressed as rate        TIERABSO=                  1.0 / [s] timing  precision  in seconds              CLOCKAPP=                    F / If clock correction are applied (F/T)          TIMEREF = 'LOCAL   '           / Time reference (barycenter/local)              TASSIGN = 'SATELLITE'          / Time assigned by clock                         DATE    = '2010-09-12T12:17:20' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      305473856.60958 / Start time                                     DATE-OBS= '2010-09-06T13:50:55'                                                 TSTOP   =      305473962.22694 / Stop time                                      DATE-END= '2010-09-06T13:52:41'                                                 UTCFINIT=    -6.15152000000000 / [s] 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 =               433509 / Trigger Number                                 XRA_OBJ =     28.6775970458984 / [deg] XRT RA location GRB or Object            XDEC_OBJ=     55.6100158691406 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     105.617359995842 / 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=             -6.15152 / [s] UTC Correction TIME                        UTCCSEC =                   -7 / UTC Correction Seconds                         UTCCSUBS=                42424 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      305473962.26116 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            305473962 / ccsds PacKeT SEConds                           PKTSUBS =                13058 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= 'glafhiaegiaegiae'   / HDU checksum updated 2010-09-12T16:04:04       DATASUM = '4123407736'         / data unit checksum updated 2010-09-12T12:17:20 PROCVER = '3.13.17 '           / Processing script version                      SOFTVER = 'Hea_13May2009_V6.6.3_Swift_Rel3.3(Bld24.3)_12May2009' / HEASOFT and SCALDBVER= 'b20090130_u20100129_x20091130_m20100331' / CALDB index versions used ATTFLAG = '100     '           / Orgin of attitude information                  END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             A�5)@�
oA�5)A	��A�5)A���@v�q�A�5)B�?@t���A�5)C�bN@t#��A�5)DѨ�@y��A�5)E��@u|��A�5)F�4@v��A�5)Hy)@v�}�A�5)I��@xj�A�5)J(�@u���A�5)K9J�@x/�A�5)LJ�S@{f�A�5)M[ײ@�E��A�5)Nm�@�b�A�5)O~a�@�3B�A�5)P��/@�!߀A�5)Q��>@�� A�5)R�3�@�R� A�5)S�y�@���A�5)TԿ
@�*�A�5)U�h@��W�A�5)V�Jw@���A�5)X��@�E�A�5)Y��@�_��A�5)Z+C@���A�5)[<aR@�V`A�5)\M��@�X��A�5)]^�@��@A�5)^p3@���A�5)_�x-@����A�5)`���@��O�A�5)a��@����A�5)b�I�@��~`A�5)cƐX@�4(�A�5)d�ֶ@�"�`A�5)e��@���`A�5)f�`�@��`A�5)h�3@��S�A�5)i�B@�&@A�5)j.2�@�.P@A�5)k?x�@�H�A�5)lP�@����A�5)mbl@�z'�A�5)nsI{@�;�@A�5)o���@��x�A�5)p���@���A�5)q�H@�ŋ�A�5)r�a�@�{͠A�5)sɦ�@�*�A�5)t��@���A�5)u�2#@�P	�A�5)v�w2@��� A�5)x��@�bR�A�5)y �@� A�5)z1H�@�]: A�5){B�\@x��A�5)|Sջ@y��A�5)}e�@w�J�A�5)~v_�@t���A�5)��7@t��A�5)���F@r�F�A�5)��1�@q�v�A�5)��x@n� A�5)�̽@k�sA�5)��q@kf�A�5)��H�@p
ʠA�5)���@h
2�A�5)���@f]��A�5)�#L@f{��A�5)�4_[@b�F�A�5)�E��@b�:�A�5)�V�@f?��A�5)�h/�@`(ĠA�5)�yv6@Y��A�5)����@f�n�A�5)���@a�v�A�5)��H@Z:�A�5)���a@Z:�A�5)��Կ@T_��A�5)���@V�h�A�5)��^�@Y��A�5)���@U���A�5)��K@T���A�5)�&0�@R�L�A�5)�7w@S4(�A�5)�H�@Pܠ�A�5)�Zu@Q��A�5)�kG�@I��A�5)�|��@P(ĠA�5)����@M� A�5)��P@R�L�A�5)��^_@L�I A�5)����@F��A�5)���@Oa�@A�5)��0+@L�I A�5)��u:@E��A�5)���@J��A�5)��@F{��A�5)�)G@B�@�