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 = '00887217000' / Observation ID TARG_ID = '887217 ' / 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 = 570764561.21032 / Start time DATE-OBS= '2019-02-02T01:42:41.2' / Start Date TSTOP = 570764666.86216 / Stop time DATE-END= '2019-02-02T01:44:26.9' / 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 = '2019-02-02T01:44:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -22.34868 / UTCF at TSTART CHECKSUM= 'gMhMjJfLgJfLgJfL' / HDU checksum updated 2019-02-02T01:44:10 DATASUM = ' 0' / data unit checksum updated 2019-02-02T01:44:10 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 = '00887217000' / Observation ID TARG_ID = '887217 ' / 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 = '2019-02-02T01:44:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 570764561.21032 / Start time DATE-OBS= '2019-02-02T01:42:41.2' / Start Date TSTOP = 570764666.86216 / Stop time DATE-END= '2019-02-02T01:44:26.9' / Stop Date UTCFINIT= -22.34868 / 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 = 887217 / Trigger Number XRA_OBJ = 166.497695922852 / [deg] XRT RA location GRB or Object XDEC_OBJ= 9.33295917510986 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.651839971542 / 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= -22.34868 / [s] UTC Correction TIME UTCCSEC = -23 / UTC Correction Seconds UTCCSUBS= 32566 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 570764666.92492 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 570764666 / ccsds PacKeT SEConds PKTSUBS = 46246 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '8nkkAmhk1mhk8mhk' / HDU checksum updated 2019-02-02T01:44:10 DATASUM = '2433470382' / data unit checksum updated 2019-02-02T01:44:10 END AAA "@dA@EA1hs@FA @EAB@EAR@RLAS0@DAܘ_@[yAe;@FhA޾@D#Av@@dA%@G8AǤ@h2Aj@> A@ATA!1@= ATa@6{A28@FAg@Q|AD>@?١@A@ApAUM@D#A'|@QTAfʬ@@dAm@<aAx @CA9@@ܠAWi@FA@D#A@DA#@@KyA~@= 1 A4@K*A)@IJAE @::Ap;@D#AWj@ATA߶@DAhY@ApA@= Ay@B@AB@= A@EA @<aA,=@DA$@D#AsC@7kPA6r@4A@<aAG\@C4(AX@7kPAX@= AE@@dAi@S4(A@IJA{/E@EAt@JAu@= 1 A@H[ AZ@EA&^@SA@FA7@GkPAH@CAHF@::Aюu@ATAZ1@FhA@FhAkx@R@A@RLA|@EA`@PA@= 1 AH@> AJw@<aA'@FA}@G8A94@B@A4@C4(AJzc@`FA@QA[@9JAc@ATAm!@TAP@H[ A~M@WkPA@VA@ATA6e@R4Aٔ@Oa@A)|@[mA@7kPA:"@@ܠAfQ@@dAL @M AԬ@QpA]O@?١@Ag@` ʠ