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  = '00431454000'        / Observation ID                                 TARG_ID = '431454  '           / 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  =      303266222.00942 / Start time                                     DATE-OBS= '2010-08-12T00:37:02.0' / Start Date                                  TSTOP   =       303266327.6437 / Stop time                                      DATE-END= '2010-08-12T00:38:47.6' / 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    = '2010-08-12T00:38:48' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=             -6.07194 / UTCF at TSTART                                 CHECKSUM= '0IjS2FjS0FjS0FjS'   / HDU checksum updated 2010-08-12T00:38:48       DATASUM = '         0'         / data unit checksum updated 2010-08-12T00:38:48 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  = '00431454000'        / Observation ID                                 TARG_ID = '431454  '           / 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    = '2010-08-12T00:38:48' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      303266222.00942 / Start time                                     DATE-OBS= '2010-08-12T00:37:02.0' / Start Date                                  TSTOP   =       303266327.6437 / Stop time                                      DATE-END= '2010-08-12T00:38:47.6' / Stop Date                                   UTCFINIT=             -6.07194 / 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 =               431454 / Trigger Number                                 XRA_OBJ =     195.307174682617 / [deg] XRT RA location GRB or Object            XDEC_OBJ=    -61.6118469238281 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     105.634280025959 / 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=             -6.07194 / [s] UTC Correction TIME                        UTCCSEC =                   -7 / UTC Correction Seconds                         UTCCSUBS=                46403 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =      303266327.72484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            303266327 / ccsds PacKeT SEConds                           PKTSUBS =                36242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= 'RMehUKZfRKbfRKZf'   / HDU checksum updated 2010-08-12T00:38:48       DATASUM = '995883146'          / data unit checksum updated 2010-08-12T00:38:48 END                                                                             A²y®iYA²y®p˜A²y¯‹—@g/\àA²y°Ñö@Z²©A²y±+@V?ŒàA²y²<\@]¾
 A²y³M¢s@WkPàA²y´^èÑ@\aA²yµp-à@YþÍA²y¶�t?@ZvµA²y·’º�@X[ àA²y¸£ÿ¬@XÓàA²y¹µD»@]
1 A²yºÆ‹@bÚ:ÀA²y»×Ð)@d#øÀA²y¼é‡@X,àA²y½ú\æ@Z:ÁA²y¿¡õ@UÈÀA²yÀèS@_%Å A²yÁ.-b@X,àA²yÂ?rq@]ú
 A²yÃP·€@S¬ÀA²yÄaýß@T#øÀA²yÅsD=@ZvµA²yÆ„‰L@a” A²yÇ•Ï«@ar‚ A²yȧ	@c¬ÀA²yɸ[@`d¸ A²yÊÉ '@YJñA²yËÚæ†@bÚ:ÀA²yÌì+•@]‚ A²yÍýqó@YþÍA²yÏ·@\Î= A²yÐýa@eåžÀA²yÑ1C¿@^5õ A²yÒBˆÎ@dþÀA²yÓSÍÝ@dõÎÀA²yÔe<@f{€àA²yÕvYK@_a¹@A²yÖ‡Ÿ©@hÓàA²yטæ@em¶ÀA²yت+@j:ÁA²yÙ»qv@d}æÀA²yÚÌ·Ô@aTˆ A²yÛÝû”@f˜àA²yÜïAò@` ¬ A²yÞ‡
@b€L A²yßÍ`@aêj A²yà#¾@d›àÀA²yá4XÍ@`(Ä A²yâEŸ,@f!’àA²yãVåŠ@eåžÀA²yäh)J@h=&àA²yåyo¨@a6Ž A²y抶@c¬ÀA²yç›û@dõÎÀA²yè­At@`Ü  A²y龇Ó@b¼@ A²yêÏÌâ@_�­@A²yëá@@c.ÀA²yìòXO@d›àÀA²yî�^@e‹°ÀA²yïã½@kügA²yð&(Ì@i,÷A²yñ7o*@fóhàA²yòHµ‰@bø4ÀA²yóYú˜@cpÀA²yôk@ö@hñàA²yõ|†@gbàA²yö�Ë@gbàA²y÷Ÿs@fÕnàA²yø°WÑ@m‚ A²yùÁœà@hµàA²yúÒã?@fóhàA²yûä)ž@ihëA²yüõn­@i¤ßA²yþ³¼@kf…A²yÿøË@dõÎÀA²z)?)@kH‹A²z
:…ˆ@eO¼ÀA²zKÊ—@b€L A²z]õ@bžF A²znWT@cèÀA²zœc@i,÷A²z�ár@b¼@ A²z¢'Ð@g‰JàA²z³lß@\’I A²z	ij>@c¬ÀA²z
Õùœ@bø4ÀA²zç>«@eO¼ÀA²zø…
@k„A²z	Ê@f™zàA²z(@d}æÀA²z,U†@\’I A²z=š•@ar‚ A²zNàô@a®v A²z`'R@YüàA²zqla@_a¹@A²z‚²À@b¼@ A²z“ù@\’I