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 = '01220160000' / Observation ID TARG_ID = '1220160 ' / 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 = 732188832.9946 / Start time DATE-OBS= '2024-03-15T09:47:13.0' / Start Date TSTOP = 732188938.54352 / Stop time DATE-END= '2024-03-15T09:48:58.5' / 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 = '2024-03-15T09:55:45' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.08974 / UTCF at TSTART CHECKSUM= 'gDgNgAZMgAfMgAZM' / HDU checksum updated 2024-03-15T09:55:45 DATASUM = ' 0' / data unit checksum updated 2024-03-15T09:55:45 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 = '01220160000' / Observation ID TARG_ID = '1220160 ' / 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 = '2024-03-15T09:55:45' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 732188832.9946 / Start time DATE-OBS= '2024-03-15T09:47:13.0' / Start Date TSTOP = 732188938.54352 / Stop time DATE-END= '2024-03-15T09:48:58.5' / Stop Date UTCFINIT= -33.08974 / 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 = 1220160 / Trigger Number XRA_OBJ = 242.778045654297 / [deg] XRT RA location GRB or Object XDEC_OBJ= -15.4864358901978 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.548919916153 / 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= -33.08974 / [s] UTC Correction TIME UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 45513 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 732188938.64478 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 732188938 / ccsds PacKeT SEConds PKTSUBS = 32239 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'UNgAUMg9UMgAUMg9' / HDU checksum updated 2024-03-15T09:55:45 DATASUM = '133925423' / data unit checksum updated 2024-03-15T09:55:45 END A(POA(P&-A(Pe@A(Q -@zD@A(R@ `A(RN@F A(S@ A(SB@.)A(T+7@Iq@A(Tۡ@ A(U<~@~ A(U!W@ A(VMć@wGA(Vg@yJA(W_ =@vwA(Wm@sR"A(XpP@vNA(X@s A(YS@tAA(Z 9@r:A(Zܱ@s4(A([9@qvA(["h@q|A(\,ŗ@rDXA(\h@r7A(]> N@saA(]Ʈ}@o% A(^OQ@pUA(^4@n A(_`c@iA(_:@jvA(`q@eǤA(`I@h[ A(a#y@gbA(b @kmA(bi/@jУA(c _@hA(c@jvA(d.R@c.A(dE@cA(e?t@g8A(e:@arA(fP+@bFA(fفZ@eǤA(gb#@eA(g@dA(hsj@@ZA(h @a|A(i@d#A(j S&@md A(jU@dA(k@b4A(k< @dA(l/;@_@A(l@`A(mA$@arA(m!@`ܠA(nRj@`A(n @[fA(oc@X,A(oT7@\aA(pt@[yA(p@`dA(q=@[mA(rL@ZvA(r{@Z:A(s &@[yA(s2@]F% A(t1la@QTA(t@\I A(uB@R@A(uUG@bdA(vSw@X,A(vܛ@RDXA(we>-@YA(w]@W/\A(xv@`A(x'@TA(yC@RdA(zmr@W8A(z@RLA({!)@c A({VX@T_A(|2@XA(|@S4(A(}D?>@IJA(}m@UA(~U@V{A(~($@V?A(fS@Nq A(m@VhA(x @R4A(9@\aA(Wi@N A(@[mA(@T#A(#@O@IJA(@PA(4@SpA()5@S