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 = '01014037000' / Observation ID TARG_ID = '1014037 ' / 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 = 630284910.5937 / Start time DATE-OBS= '2020-12-21T23:08:30.6' / Start Date TSTOP = 630285155.725 / Stop time DATE-END= '2020-12-21T23:12:35.7' / 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 = '2020-12-21T23:13:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.194 / UTCF at TSTART CHECKSUM= '6Nia9NiT6NiZ6NiZ' / HDU checksum updated 2020-12-21T23:13:13 DATASUM = ' 0' / data unit checksum updated 2020-12-21T23:13:13 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 = '01014037000' / Observation ID TARG_ID = '1014037 ' / 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 = '2020-12-21T23:13:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 630284910.5937 / Start time DATE-OBS= '2020-12-21T23:08:30.6' / Start Date TSTOP = 630285155.725 / Stop time DATE-END= '2020-12-21T23:12:35.7' / Stop Date UTCFINIT= -26.194 / 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 = 1014037 / Trigger Number XRA_OBJ = 171.090576171875 / [deg] XRT RA location GRB or Object XDEC_OBJ= 42.1390571594238 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 245.131299972534 / TSTOP - TSTART ONTIME = 242.700622558594 / Time on target LIVETIME= 242.700622558594 / Ontime multiplied by DEADC EXPOSURE= 242.700622558594 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -26.194 / [s] UTC Correction TIME UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 40300 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 630285155.84486 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 630285155 / ccsds PacKeT SEConds PKTSUBS = 42243 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'aFjGb9hDaEhDa9hD' / HDU checksum updated 2020-12-21T23:13:13 DATASUM = '2485557859' / data unit checksum updated 2020-12-21T23:13:13 END Aȱ7K]Aȱ7|Aȱ7?)@EAȱ8Q@ ܠAȱ8ڄ@,aAȱ9c(Aȱ<{@{@Aȱ=GxW@3Aȱ>h@4W1Aȱ?X@1`AȱA G@1{@AȱBK7@4KAȱC'@4W1AȱD@0G AȱF_@3AȱGN<@4W1AȱH@3AȱI@6U@AȱK@/& AȱLR@3AȱM@1`AȱNԖh@3$AȱPD@2XAȱQVv!@2XAȱRe@3AȱSU@2ɀAȱUF_@4KAȱVZ6;@5 AȱW&@2XAȱX@3$AȱZ@2XAȱ[]@2ɀAȱ\@3Aȱ]Կ@2ɀAȱ_ Ĝ@1{@Aȱ`ax@2XAȱaU@3Aȱb1@5 Aȱd$@3Aȱees@5 Aȱfc@2XAȱgS@4KAȱi(D(@3$Aȱji4@3$Aȱk#@3Aȱl@1{@Aȱn,@2ɀAȱolw@4W1AȱpT@4KAȱq1@3$Aȱs/ @4W1Aȱtp@3Aȱu@3$Aȱv@3Aȱx3@3Aȱytr\@1`Aȱzb9@3$Aȱ{R@2ɀAȱ}7A@3$Aȱ~x1@4W1Aȱ!@1`Aȱ@5 Aȱ;e@5 Aȱ{A@2XAȱ@3Aȱ@3Aȱ>@2XAȱ@5#fAȱ@3Aȱm@6U@AȱBI@7Aȱp@4KAȱ`@5 AȱP@5 AȱF@d@4W1Aȱ0@@4W1Aȱ @5 Aȱ @3AȱI@4W1Aȱ@3Aȱߏ@4KAȱ l@;!@AȱMH@3Aȱ@1{@Aȱϟ@3Aȱ@5#fAȱQ~@3Aȱn@1{@Aȱ^t@5 AȱNQ@6@AȱU>-@6@Aȱ. @3$Aȱ@1`Aȱ @4W1AȱX@3Aȱ$@2XAȱ@6U@Aȱ@5#fAȱ\@5#fAȱ@3$