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 = '00440606000' / Observation ID TARG_ID = '440606 ' / 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 = 314418759.20952 / Start time DATE-OBS= '2010-12-19T02:31:28' TSTOP = 314418995.64802 / Stop time DATE-END= '2010-12-19T02:36:34' 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 = '2010-12-25T04:40:46' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -6.47840000000000 / [s] UTCF at TSTART CHECKSUM= 'ZmVpikTnZkTnfkTn' / HDU checksum updated 2010-12-25T06:30:56 DATASUM = ' 0' / data unit checksum updated 2010-12-25T04:40:46 OBJECT = 'Burst ' 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_m20101130' / 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 = '00440606000' / Observation ID TARG_ID = '440606 ' / 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 = '2010-12-25T04:40:46' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 314418759.20952 / Start time DATE-OBS= '2010-12-19T02:32:38' TSTOP = 314418995.64802 / Stop time DATE-END= '2010-12-19T02:36:34' UTCFINIT= -6.47840000000000 / [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 = 440606 / Trigger Number XRA_OBJ = 74.6167984008789 / [deg] XRT RA location GRB or Object XDEC_OBJ= -2.54724025726318 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 236.43850004673 / TSTOP - TSTART ONTIME = 234.06184387207 / Time on target LIVETIME= 234.06184387207 / Ontime multiplied by DEADC EXPOSURE= 234.06184387207 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -6.4784 / [s] UTC Correction TIME UTCCSEC = -7 / UTC Correction Seconds UTCCSUBS= 26080 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 314418995.72494 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 314418995 / ccsds PacKeT SEConds PKTSUBS = 36247 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5haF6eUC5eZC5eZC' / HDU checksum updated 2010-12-25T06:30:56 DATASUM = '4142722422' / data unit checksum updated 2010-12-25T04:40:46 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_m20101130' / CALDB index versions used ATTFLAG = '100 ' / Orgin of attitude information END AG5AGQYAH25@PܠAID@([ AJU]@ ܠAKf@$ALw`@= 1 AM0@ ܠANw@@AO{@@AP@([ AQJ8? AW@'AY@)A\i@$KA^I=@$KAa (@(PAc_@'!`Afh@,UAh!@'!`Ak@#$AmD@+!@ApgM@&U@ArE@-Au%p@+!@Aw)@$KAz@*RA|Ĝ@-A"U@$KA@'!`A&c@$KAC@+ A*!@% A@'A-@+ Ae@.OA1@'A@*RA5`B@$KA?@(PA9@#Am@#$A<&@&U@A@#$A@@$KA}@#AD^ @&U@A=@-AH.@$KA@&U@AK@'!`AͻZ@'AO@"XAz@#ASZ@(PA:?@)AW@+!@Ab@0Z- AZj@#Aܹ$@'!`A^@'!`AwG@% AbU@"XA6@ G Afr@% A+@"XAiԕ@!{@A뵞@#Am@"XAs@"XAqSz@ G A33@"XAu@ G A@!{@Ax@UA@$KA|@'Ap;@!{@AO@ A/@ Ag@ A @OA@OA C@& A L@#$A l@ G ALn@"XA,(@"XA @UA@OAS@& A@$KAv@!{@A"j@"XA$H@#$A' (@& A)[@U@A,#@& A.@OA1'7@U