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 = '00642620000' / Observation ID TARG_ID = '642620 ' / Target ID SEG_NUM = '0 ' / Segment number TIMESYS = 'TT ' / time system MJDREFI = 51910 / MJD reference day 01 Jan 2001 00:00:00 MJDREFF = 0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:TIMEUNIT= 's ' / Time unit for timing header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error TSTART = 455356659.413 / Start time DATE-OBS= '2015-06-07T07:55:06' TSTOP = 455356849.69756 / Stop time DATE-END= '2015-06-07T08:00:46' CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file TLM2FITS= 'V3.22 ' / Telemetry converter version number DATE = '2015-06-17T09:56:03' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -13.6846600000000 / [s] UTCF at TSTART CHECKSUM= 'bK6RcK4PbK4PbK4P' / HDU checksum updated 2015-06-17T10:48:39 DATASUM = ' 0' / data unit checksum updated 2015-06-17T09:56:03 OBJECT = 'GRB150607A' PROCVER = '3.16.09 ' / Processing script version SOFTVER = 'Hea_21Dec2012_V6.13_Swift_Rel4.0(Bld29)_14Dec2012_SDCpatch_15' CALDBVER= 'b20090130_u20111031_x20140610_m20150302' / CALDB index versions used 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 = '00642620000' / Observation ID TARG_ID = '642620 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2015-06-17T09:56:03' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 455356659.413 / Start time DATE-OBS= '2015-06-07T07:57:36' TSTOP = 455356849.69756 / Stop time DATE-END= '2015-06-07T08:00:46' UTCFINIT= -13.6846600000000 / [s] 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 = 642620 / Trigger Number XRA_OBJ = 140.075119018555 / [deg] XRT RA location GRB or Object XDEC_OBJ= 68.4514007568359 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 190.284560024738 / TSTOP - TSTART ONTIME = 187.988327026367 / Time on target LIVETIME= 187.988327026367 / Ontime multiplied by DEADC EXPOSURE= 187.988327026367 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -13.68466 / [s] UTC Correction TIME UTCCSEC = -14 / UTC Correction Seconds UTCCSUBS= 15767 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 455356871.86222 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 455356871 / ccsds PacKeT SEConds PKTSUBS = 43111 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '3NADAL6B5LABAL3B' / HDU checksum updated 2015-06-17T10:48:39 DATASUM = '3607486678' / data unit checksum updated 2015-06-17T09:56:03 PROCVER = '3.16.09 ' / Processing script version SOFTVER = 'Hea_21Dec2012_V6.13_Swift_Rel4.0(Bld29)_14Dec2012_SDCpatch_15' CALDBVER= 'b20090130_u20111031_x20140610_m20150302' / CALDB index versions used END A$0i^A$0hA$0hP@Oa@A$0zB@"@A$0 @- A$0l@ A$0{@$A$0Y@::A$0П@,aA$0@5A$0+V@*:A$0pe@> A$0t@{A$1&@([ A$18@@PA$1I@@ ܠA$1Z͟@::A$1l@1pA$1}W@4A$1@0ܠA$1z@3A$1)@{A$1 o@4A$1 Ӵ@QpA$1 @:A$1 @d@:A$1s@$A$1@,aA$1*0@0ܠA$1;W?@ ܠA$1LN@/١@A$1]@4A$1o) @= A$1n@ ܠA$1)@H[ A$1@*:A$1>@&{A$1ń@1pA$1S@$A$1@3A$1Uq@ ܠA$1 @&{A$1@> A$1 -'=? A$1%Mw2@#A$1'V@RhA$1*Q5T@mA$1,@:zA$1/T(@@A$11@@ A$14XK@[ A$16ڎ@A$19\nn@cA$1;N'@_`A$1>`,@>j A$1@ @ A$1Ccd@oA$1E@ޱA$1Hg@A$1J@`A$1MkdZ@ A$1OD@@A$1Ro"}@zA$1T@A$1WrP@`A$1Y @ޱA$1\vs@@A$1^{@IA$1azZG@v@A$1c;O@gA$1f~@`A$1h#@A$1k֌@֠A$1n@A$1p@k`A$1ss@ A$1uQ@s`A$1x /@=A$1z@AA$1}@oA$1y@ ] A$1@ˌA$1@#K@A$1i@&|A$1Go@4A$1'(@C3`A$1@kA$1K@A$1õ@8 A$1!@A$1@NA$1%`B@`@A$1>@RhA$1)@ A$1@`A$1,8@A$1@A$10 @)ǠA$1w@A$14W~@