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  = '00306793000'        / Observation ID                                 TARG_ID = '306793  '           / 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  =       227639262.2093 / Start time                                     DATE-OBS= '2008-03-19T17:07:42.2' / Start Date                                  TSTOP   =       227639502.4983 / Stop time                                      DATE-END= '2008-03-19T17:11:42.5' / 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    = '2008-03-19T17:19:15' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=             -2.65482 / UTCF at TSTART                                 CHECKSUM= 'jDkNjAjLjAjLjAjL'   / HDU checksum updated 2008-03-19T17:19:15       DATASUM = '         0'         / data unit checksum updated 2008-03-19T17:19:15 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  = '00306793000'        / Observation ID                                 TARG_ID = '306793  '           / 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    = '2008-03-19T17:19:15' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =       227639262.2093 / Start time                                     DATE-OBS= '2008-03-19T17:07:42.2' / Start Date                                  TSTOP   =       227639502.4983 / Stop time                                      DATE-END= '2008-03-19T17:11:42.5' / Stop Date                                   UTCFINIT=             -2.65482 / 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 =               306793 / Trigger Number                                 XRA_OBJ =     99.4885482788086 / [deg] XRT RA location GRB or Object            XDEC_OBJ=     23.9359798431396 / [deg] XRT DEC location GRb or Object           TERMMODE=                    0 / XRT termination mode                           TELAPSE =     240.288999974728 / TSTOP - TSTART                                 ONTIME  =     238.381240844727 / Time on target                                 LIVETIME=     238.381240844727 / Ontime multiplied by DEADC                     EXPOSURE=     238.381240844727 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           UTCCTIME=             -2.65482 / [s] UTC Correction TIME                        UTCCSEC =                   -3 / UTC Correction Seconds                         UTCCSUBS=                17259 / [2*10**(-5) s] UTC Correction SUBSeconds       PKTTIME =       227639502.6448 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            227639502 / ccsds PacKeT SEConds                           PKTSUBS =                32240 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                 1253 / Application Process Identifier                 CHECKSUM= '9iPaEiNW9iNaEiNW'   / HDU checksum updated 2008-03-19T17:19:15       DATASUM = '2577390536'         / data unit checksum updated 2008-03-19T17:19:15 END                                                                             A«"ÿ¼k)_A«"ÿ½F…ÛA«"ÿ¾T¿
@YþÍA«"ÿÀwKÇ@{€àA«"ÿ™Õå@:ÁA«"ÿļb¢@
ú
 A«"ÿÆÞï_@$›àÀA«"ÿÉ
|@D›àÀA«"ÿË$:?ýú
 A«"ÿÔ±—¢@W;nàA«"ÿÙµY´@U‰€ A«"ÿÞ¹‡@Wˆ€A«"ÿã¼Ó[@Ylþ`A«"ÿèÀ•l@W¡‰A«"ÿíÄR?@WTõ`A«"ÿòÈ@V<-ÀA«"ÿ÷ËÑ$@XºPÀA«"ÿüÏ�ø@WTõ`A«#
ÓMj@V¢GÀA«#×Ý@UÖ A«#ÚÉ°@VÕTàA«#Þ‰"@X£A«#âH•@X!) A«#æh@Vo:ÀA«#éÄÛ@W»€A«#$í„M@Wî€A«#)ñC¿@V<-ÀA«#.õ“@Wˆ€A«#3øÀ@WÔ–A«#8üx@V<-ÀA«#><K@W;nàA«#Cû½@W;nàA«#H»0@VÕTàA«#Mx@Uïš A«#R7v@Uoù€A«#Wöè@W;nàA«#\³¼@Uoù€A«#auÍ@Vo:ÀA«#f2 @WTõ`A«#k!ït@WTõ`A«#p%±…@WÔ–A«#u)nY@V<-ÀA«#z-+,@W!è`A«#0í>@Wn|A«#„4ª@VÕTàA«#‰8iƒ@Uïš A«#Ž<(ö@UÖ A«#“?åÉ@X£A«#˜C¥<@XÓ×@A«#�Gd®@UÖ A«#¢K$ @W»€A«#§Nàô@Wn|A«#¬R f@Wˆ€A«#±V_Ù@U¼� A«#¶Z¬@Xí]ÀA«#»]Þ¾@V»Î@A«#Àa›‘@Vo:ÀA«#ÅeXd@X:° A«#Êiv@Wˆ€A«#Ïl×I@V»Î@A«#Ôp”@Wˆ€A«#ÙtV.@Wn|A«#Þx
@Y9ñ@A«#ã{Òt@X!) A«#è‘æ@Wn|A«#íƒQY@Y `A«#ò‡,@Yä@A«#÷ŠÍŸ@V<-ÀA«#üŽ�@X‡C A«#

’Iä@X Ê A«#
–	W@XÓ×@A«#
™ÈÉ@X:° A«#
�…�@VU´@A«#
¡G®@Y `A«#
¥�@X Ê A«#
¨Ãô@X‡C A«#
$¬ƒf@X!) A«#
)°@:@Wˆ€A«#
.³ÿ¬@XºPÀA«#
3·¿@W»€A«#
8»{ò@W»€A«#
=¿;d@W;nàA«#
BÂú×@XÓ×@A«#
GƺI@V"§@A«#
LÊw@Xí]ÀA«#
QÎ9.@VîÛ`A«#
VÑö
@X Ê A«#
[Õ²Õ@XºPÀA«#
`Ùtæ@WTõ`A«#
eÝ1º@WTõ`A«#
jàñ,@Xí]ÀA«#
oä°Ÿ@W»€A«#
tèmr@Ylþ`A«#
yì,ä@YìžàA«#
~ïìW@WÔ–A«#
ƒó«É@W»€A«#
ˆ÷h�@X‡C A«#
�û(@X Ê A«#
’þç‚@X:° A«#
˜¤U@W;nà