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 = '00735326000' / Observation ID TARG_ID = '735326 ' / 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 = 507219795.41364 / Start time DATE-OBS= '2017-01-27T14:23:15.4' / Start Date TSTOP = 507219901.04484 / Stop time DATE-END= '2017-01-27T14:25:01.0' / 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 = '2017-01-27T14:24:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -18.52402 / UTCF at TSTART CHECKSUM= 'eGeRgFcOeFcOeFcO' / HDU checksum updated 2017-01-27T14:24:48 DATASUM = ' 0' / data unit checksum updated 2017-01-27T14:24:48 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 = '00735326000' / Observation ID TARG_ID = '735326 ' / 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 = '2017-01-27T14:24:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 507219795.41364 / Start time DATE-OBS= '2017-01-27T14:23:15.4' / Start Date TSTOP = 507219901.04484 / Stop time DATE-END= '2017-01-27T14:25:01.0' / Stop Date UTCFINIT= -18.52402 / 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 = 735326 / Trigger Number XRA_OBJ = 174.356155395508 / [deg] XRT RA location GRB or Object XDEC_OBJ= -45.8632736206055 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.63119995594 / 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= -18.52402 / [s] UTC Correction TIME UTCCSEC = -19 / UTC Correction Seconds UTCCSUBS= 23799 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 507219901.12482 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 507219901 / ccsds PacKeT SEConds PKTSUBS = 6241 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'WcADac39Yc9Cac99' / HDU checksum updated 2017-01-27T14:24:48 DATASUM = '3636506403' / data unit checksum updated 2017-01-27T14:24:48 END A;SiPA;SגA;To28@V?A;UwG@::A;V@7kPA;W@BDXA;XJb@DA;YŐ@ATA;ZԀ@D#A;[@F{A;\a=@H[ A;^ @6{A;_@QTA;`-3 @5A;a>x@?١@A;bOw@9JA;ca@JA;drI@0ܠA;eC@6{A;f֡@IA;g@CA;hb@BDXA;iȧ@@ܠA;j|@QTA;k3@= 1 A;lz:@ApA;n @0ܠA;oW@= A;p0J@= A;qA@DA;rRs@BDXA;sd3@[*A;tua@ATA;u@4A;vN@&{A;w4@D#A;xy@@dA;y˾@6{A;z)@3A;{K@FhA;|@?١@A;~@0ܠA;"T@0ܠA;3bc@0ܠA;D@DA;U@([ A;g4/@8[ A;xz@0ܠA;@6{A;@C4(A;K @EA;h@IA;@D#A;&@GkPA;a@O١@A;D@$A;@9JA;%5@FA;6z@ApA;Gn@5A;Y}@,aA;jK@::A;{:@1pA;I@*:A;@6{A;d@5A;@G8A;t@IJA;4@@dA;z@*:A;@@K*A;@ A;(K^@*:A;9@9JA;J@B@A;\y@- A;mc@- A;~@EA;@- A;5T@= 1 A;{@@ܠA;@8[ A;!@6{A;L0@ ܠA;@0ܠA;ם@ ܠA;@4A;+dZ@B@A;<@::A;M@PܠA;_4@1pA;p{5@JA;@0ܠA;@@ܠA;K@2@A;@ ܠA;o@5A;@C4(A;e,@0ܠA;;@"@