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 = '00785917000' / Observation ID TARG_ID = '785917 ' / 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 = 531467524.60956 / Start time DATE-OBS= '2017-11-04T05:52:04.6' / Start Date TSTOP = 531467630.1827 / Stop time DATE-END= '2017-11-04T05:53:50.2' / 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 = '2017-11-04T05:53:37' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -19.94584 / UTCF at TSTART CHECKSUM= 'fCeQiBdNfBdNfBdN' / HDU checksum updated 2017-11-04T05:53:37 DATASUM = ' 0' / data unit checksum updated 2017-11-04T05:53:37 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 = '00785917000' / Observation ID TARG_ID = '785917 ' / 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 = '2017-11-04T05:53:37' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 531467524.60956 / Start time DATE-OBS= '2017-11-04T05:52:04.6' / Start Date TSTOP = 531467630.1827 / Stop time DATE-END= '2017-11-04T05:53:50.2' / Stop Date UTCFINIT= -19.94584 / 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 = 785917 / Trigger Number XRA_OBJ = 40.8940200805664 / [deg] XRT RA location GRB or Object XDEC_OBJ= 61.428295135498 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.573139965534 / 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= -19.94584 / [s] UTC Correction TIME UTCCSEC = -20 / UTC Correction Seconds UTCCSUBS= 2708 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 531467630.26094 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 531467630 / ccsds PacKeT SEConds PKTSUBS = 13047 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '8TaAASV61SaA8SU3' / HDU checksum updated 2017-11-04T05:53:37 DATASUM = '3881086149' / data unit checksum updated 2017-11-04T05:53:37 END A A ^AW@0/A^@ A@A*@A o*@A 赉@.P@A @ A BF@A@UA-@(ĠA?b@AP[@vh@Aa@iq@Ar}@&@A.@Y@As@AI@RA@LAG@WX Aڍe@A@A"@`A`@A@UA0>@a`A B2M@@A!Sx@A"d @A#vh@`A$K@fA%%@@A&؄@nA'@A(eA@,@A)ݫ@z A*@rA,7 @= A-}k@A."@uA/4 (@x4A0EP@jA1V@;͠A2gD@A3y#@A4j@ A5`@7 A6o@zA7;@*`A8ς,@fA9Ȋ@`A:@qA<UG@ `A=@ A>%@l7 A?7(c@A@Hn@,РAAY@ 4 ABj/@E+AC|A@yAD<@ 4 AEΚ@xAF@%AG[W@yAHҡ@>@AI@AJ.s@L ALs@bAM@MAN)?@XAO:F@vU APK@)@AQ\[@2@ARn@TEAS`@ ATv@mAU@kAV1@~YAWxB@b@AXվ@h@AY@uAZK^@QA\ @@A]@U A^,y@SA_=d@e`A`N6@(ĠAa_E@&@Abq6@Ac}@/@Ada@KAe @ʠAfP@R`Agǖ}@Ah@;Ai#:@V@Aji@@Al X@O`Am@