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 = '00753085000' / Observation ID TARG_ID = '753085 ' / 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 = 516611419.20816 / Start time DATE-OBS= '2017-05-16T07:10:19.2' / Start Date TSTOP = 516611667.17416 / Stop time DATE-END= '2017-05-16T07:14:27.2' / 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 = '2017-05-16T07:14:15' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -19.0675 / UTCF at TSTART CHECKSUM= 'aJfQdIeQaIeQaIeQ' / HDU checksum updated 2017-05-16T07:14:15 DATASUM = ' 0' / data unit checksum updated 2017-05-16T07:14:15 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 = '00753085000' / Observation ID TARG_ID = '753085 ' / 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 = '2017-05-16T07:14:15' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 516611419.20816 / Start time DATE-OBS= '2017-05-16T07:10:19.2' / Start Date TSTOP = 516611667.17416 / Stop time DATE-END= '2017-05-16T07:14:27.2' / Stop Date UTCFINIT= -19.0675 / 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 = 753085 / Trigger Number XRA_OBJ = 251.814025878906 / [deg] XRT RA location GRB or Object XDEC_OBJ= -45.8959121704102 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 247.966000020504 / TSTOP - TSTART ONTIME = 245.580215454102 / Time on target LIVETIME= 245.580215454102 / Ontime multiplied by DEADC EXPOSURE= 245.580215454102 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -19.0675 / [s] UTC Correction TIME UTCCSEC = -20 / UTC Correction Seconds UTCCSUBS= 46625 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 516611667.24506 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 516611667 / ccsds PacKeT SEConds PKTSUBS = 12253 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'bi9Vbi8Vbi8Vbi8V' / HDU checksum updated 2017-05-16T07:14:15 DATASUM = '3674286857' / data unit checksum updated 2017-05-16T07:14:15 END A[5IA[8A\- @T#A]>OvAb|M@)Ad-b@/Ag @/Aj@)Al̎@/& AoG@/& Aq@-At k@0Z- AvKs@/& Ay ,|@+ A{ @-A~@*RA݀X@/A݃`@)A݅@(PA݈j@+ A݊J@*RAݍ(@/Aݏ @-Aݒ@+ Aݔq@+!@Aݗ#*@.OAݙ3@/& Aݜ'h@*RAݞHV@-Aݡ+(@(PAݣ@)Aݦ.@)Aݨ;@'Aݫ2@-Aݭ@+ Aݰ6g@,UAݲGo@(PAݵ:'(@+ Aݷ@*RAݺ=K@+ AݼT@)AݿA @+ AÅ@*RAEe@0G AC@,UAI$@1`A@+!@ALe@+!@A@/AP@+ A҃@,UATcI@*RAC@5#fAX"@+!@A@/& A[.@+!@A@(PA_@.OAZ@)Acbc@,UAB@+ Ag @+!@A?@/Aj@+!@A@+ An@)A$@*RAr^@'A?@(PAv@+ AX@+ A y@-A {@*RA}@+!@A~=@+!@A]@/& A=@,UA@0Z- A"@,UA@-A! @-A#N@*RA&z@-A([@-A+;y@-A-3@0G A0@'!`A2U@*RA5^@,UA7@+!@A:y@+ A