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 = '01016013000' / Observation ID TARG_ID = '1016013 ' / 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 = 631542486.79304 / Start time DATE-OBS= '2021-01-05T12:28:06.8' / Start Date TSTOP = 631542592.95834 / Stop time DATE-END= '2021-01-05T12:29:53.0' / 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 = '2021-01-05T12:29:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.27716 / UTCF at TSTART CHECKSUM= 'fPdLhPdLfPdLfPdL' / HDU checksum updated 2021-01-05T12:29:33 DATASUM = ' 0' / data unit checksum updated 2021-01-05T12:29:33 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 = '01016013000' / Observation ID TARG_ID = '1016013 ' / 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 = '2021-01-05T12:29:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 631542486.79304 / Start time DATE-OBS= '2021-01-05T12:28:06.8' / Start Date TSTOP = 631542592.95834 / Stop time DATE-END= '2021-01-05T12:29:53.0' / Stop Date UTCFINIT= -26.27716 / 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 = 1016013 / Trigger Number XRA_OBJ = 307.713714599609 / [deg] XRT RA location GRB or Object XDEC_OBJ= 41.0668106079102 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 106.165300011635 / TSTOP - TSTART ONTIME = 107.054740905762 / Time on target LIVETIME= 107.054740905762 / Ontime multiplied by DEADC EXPOSURE= 107.054740905762 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -26.27716 / [s] UTC Correction TIME UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 36142 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 631542593.04484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 631542593 / ccsds PacKeT SEConds PKTSUBS = 2242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'AFpTC9nTACnTA9nT' / HDU checksum updated 2021-01-05T12:29:33 DATASUM = '2318736296' / data unit checksum updated 2021-01-05T12:29:33 END AIkeVAIkb@cAIl,y@H[ AIl@R@AIm=@TAImc @RLAInO@V?AInר@V?AIo`L@KyAIo5@TAIpqd@X[ AIp4@Nq AIq@ATAIr {J@KyAIry@N AIs@O١@AIsd0@LI AIt._@SpAIt@Z:AIu?M@S4(AIu@RDXAIvPu@YJAIv6@RdAIwa@M 1 AIw}@QpAIxs 2@LI AIx¹@UAIye@TAIz @PAIzG@SAI{Ov@XAI{@EAI|/-@?١@AI|8\@M 1 AI}@ی@\I AI}~@PdAI~R!B@[*AI~r@S4(AIcg@UOAI @dAItX@W/\AIP@YAI@SAI@Oa@AI:@YAIܜ@QpAI@iAI1"@UAI*@R@AIBiY@T_AI @R4AIS@SpAIR?@jAIdo@UAI혞@^ AIv;%@ZAIU@PAI@IJAI$@DAI@b@AI!jj@X[ AIA@Q|AI2p@QAIT@RDXAIC@RdAI̚V@PdAIU=@S4(AI@M 1 AIf@\I AI'@LaAIwɛ@ZvAIl@PdAI@YAI)@GkPAIVX@IAI"@DAI@M AI4?>@RLAIm@SpAIE@R@AI($@] AIVS@EAIn@UOAIh@PAI9@UǤAIyWi@T#AI@O١@AI@R@AI@@HAI~@a|AI$@YAI)@QpAI5 @M AIp;@IJAIG@TAIϵ@Oa@AIXY!@VtAIP@PܠAIi@G8AIB@M 1