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 = '00632888000' / Observation ID TARG_ID = '632888 ' / 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 = 446792101.80966 / Start time DATE-OBS= '2015-02-28T04:55:01.8' / Start Date TSTOP = 446792207.34704 / Stop time DATE-END= '2015-02-28T04:56:47.3' / 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 = '2015-02-28T04:56:40' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -13.24534 / UTCF at TSTART CHECKSUM= 'ZIdQbFcOZFcObFcO' / HDU checksum updated 2015-02-28T04:56:40 DATASUM = ' 0' / data unit checksum updated 2015-02-28T04:56:40 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 = '00632888000' / Observation ID TARG_ID = '632888 ' / 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 = '2015-02-28T04:56:40' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 446792101.80966 / Start time DATE-OBS= '2015-02-28T04:55:01.8' / Start Date TSTOP = 446792207.34704 / Stop time DATE-END= '2015-02-28T04:56:47.3' / Stop Date UTCFINIT= -13.24534 / 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 = 632888 / Trigger Number XRA_OBJ = 26.6113128662109 / [deg] XRT RA location GRB or Object XDEC_OBJ= 61.7819786071777 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.537379980087 / 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= -13.24534 / [s] UTC Correction TIME UTCCSEC = -14 / UTC Correction Seconds UTCCSUBS= 37733 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 446792207.46106 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 446792207 / ccsds PacKeT SEConds PKTSUBS = 23053 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'PGggQ9gePGgeP9ge' / HDU checksum updated 2015-02-28T04:56:40 DATASUM = '1509356355' / data unit checksum updated 2015-02-28T04:56:40 END AEA<Af@W/\Aͫ@DA@D#A8\@GkPA~@HA@UOA$ x@IA5Q@IAF5@M AWޔ@= 1 Ai$@IJAzj@F{A`@VhA@N A=@V?A{@\= A@H[ A8@@ܠAV@@ܠA@= AT@> A')@EA8n@F{AI @V{AZ@SAlA@F{A}<@ATAÎΚ@FhAĠ@^5 Aű[W@R@A¡@ZvA@M A.s@VAs@EA@4A?@O١@A*F@R4A;@J:AL[@JA^@EAo`@M 1 AҀv@FAӑ@FhAԣ33@9JAմxB@9JAž@DA@M 1 AK^@@ܠA@GkPA @FAy@J:A-d@8[ A>6@F{AO@7kPAa7@H[ Ar}@IAa@D#A @G8AP@5A巖}@BDXA@ATA#:@B@Ai@K*A@IJA U@CA<@?١@A0@::AA!@DAS@7kPAdT@BDXAu=@C4(A@Z:A'@<aAnY@1pA@C4(A@= 1 AAt@1pA@1pA@RdA@@EA"Y@M A3@<aAD\@9JAV,@4Agti@*:Ax@@ܠA&@B@AG@CA@VtA@PAP@QTA_@::A @4A l@5A 2@CA %y)@@dA 6@M AH@V?