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 = '00180977000' / Observation ID TARG_ID = '180977 ' / 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 = 161240431.00552 / Start time DATE-OBS= '2006-02-10T05:00:31.0' / Start Date TSTOP = 161240538.4064 / Stop time DATE-END= '2006-02-10T05:02:18.4' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.11' / Program that created this FITS file TLM2FITS= 'V3.11 ' / Telemetry converter version number DATE = '2006-02-10T05:02:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -1.00682 / UTCF at TSTART CHECKSUM= '1I8W4H5T1H5T1H5T' / HDU checksum updated 2006-02-10T05:02:23 DATASUM = ' 0' / data unit checksum updated 2006-02-10T05:02:23 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 = '00180977000' / Observation ID TARG_ID = '180977 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.11' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.11 ' / 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 = '2006-02-10T05:02:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 161240431.00552 / Start time DATE-OBS= '2006-02-10T05:00:31.0' / Start Date TSTOP = 161240538.4064 / Stop time DATE-END= '2006-02-10T05:02:18.4' / Stop Date UTCFINIT= -1.00682 / 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 = 180977 / Trigger Number XRA_OBJ = 57.7136917114258 / [deg] XRT RA location GRB or Object XDEC_OBJ= 27.0235042572021 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 107.400880008936 / 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= -1.00682 / [s] UTC Correction TIME UTCCSEC = -2 / UTC Correction Seconds UTCCSUBS= 49659 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 161240538.54116 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 161240538 / ccsds PacKeT SEConds PKTSUBS = 27058 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '975ZC43Y943YC43Y' / HDU checksum updated 2006-02-10T05:02:23 DATASUM = '2721073404' / data unit checksum updated 2006-02-10T05:02:23 END A8ӄA87A8[@SA8>@YA8t@b:A8@eA8!@b@A8D@^5 A8fQ@c4(A82@X[ A8,@V{A8H@ZvA8զ@[fA8bc@YA85 @X[ A8Xy>@SA8{@`(ĠA8@SA8@] A8⩓@QTA8 3@G8A8 'n@KyA8JM+@RdA8l@M A8d@Q|A8@G8A8}@IA8 =@V{A8@K*A8<#@Z:A8^@M 1 A8!:@F{A8#P@N A8%T @D#A8'@TA8* j@UǤA8,-@H[ A8.Pb@D#A80s@F{A82@[*A84%[@O١@A86ڲ@R@A88>@EA8;˒@M 1 A8=BU@M A8?dm@FA8Ao*@SA8C@BDXA8Ë@H[ A8Gb@LaA8J@` ʠA8L4,=@IJA8NV@Nq A8PyE@<aA8R@O١@A8T\@M 1 A8VO@LI A8Yv @<aA8[&@B@A8]H@CA8_k@?١@A8a@FA8c0@C4(A8eҽ<@<aA8gGZ@PܠA8j@_a@A8l:`@[fA8n\@^q A8pw@`ܠA8rl@YA8tđ*@ZA8v@[fA8y @Z:A8{,7a@UA8}N@R4A8qN<@T#A8@Q|A8g@R4A8s@Z:A8~@X[ A8 N@_١@A8@ @a|A8c$@[mA8G@YA89@[yA8@YA8R~@] A8;@[*A82iY@ZvA8T@d#A8w@iA8@`ܠA8N@iA8&l@cR"A8)@_% A8$?@] A8F̣@`A8iV@`FA8~@a|A8p;@] 1