SIMPLE = T / file does conform to FITS standard BITPIX = 32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 1000 / length of data axis 1 NAXIS2 = 1000 / length of data axis 2 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 HDUCLASS= 'ogip ' / Format conforms to OGIP/GSFC conventions HDUCLAS1= 'IMAGE ' / Extension contains an image 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:TIMEREF = 'LOCAL ' / reference time TASSIGN = 'SATELLITE' / Time assigned by clock TIMEUNIT= 's ' / Time unit for timing header keywords TIERRELA= 1.0000000000000E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1.0000000000000E+00 / [s] Estimated absolute clock offset error TSTART = 7.175876070185233E+08 / time start TSTOP = 7.175888511106033E+08 / time stop DATE-OBS= '2023-09-28T09:53:22' / Start date of observations DATE-END= '2023-09-28T10:14:08' / End date of observations CLOCKAPP= F / If clock correction are applied (F/T) TELAPSE = 1.244092079997063E+03 / elapsed time ONTIME = 1.135806899428368E+03 / On-source time LIVETIME= 1.131310442885981E+03 / Deadtime corrected on-source time EXPOSURE= 1.131310442885981E+03 / Exposure time DEADC = 9.96041179E-01 / Deadtime correction TIMEPIXR= 0.0000000000000E+00 / Bin time beginning=0 middle=0.5 end=1 TIMEDEL = 2.5073000000000E+00 / Data time resolution TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name DATAMODE= 'PHOTON ' / Datamode OBS_ID = '00016256001' / Observation ID TARG_ID = 16256 / Target ID SEG_NUM = 1 / Segment number EQUINOX = 2.000E+03 / Equinox of celestial coord system RADECSYS= 'FK5 ' / celestial coord system OBS_MODE= 'POINTING' / default ORIGIN = 'NASA/GSFC' / origin of fits file CREATOR = 'extractor v5.24' / Extractor TLM2FITS= 'V6.4 ' / Telemetry converter version number DATE = '2023-10-08T06:46:08' / file creation date (YYYY-MM-DDThh:mm:ss UT) WAVEFORM= 31 / CCD wave form used in data XRTMODE = 7 / Standard mode value FORMATVS= 1 / Format version OUTERTHR= 4094 / Outer threshold WHALFWD = 300 / Window Half Width WHALFHT = 300 / Window Half Height CCDEXPOS= 2.5073000000000E+00 / CCD Exposure used for rates XRTVSUB = 6 / CCD int Vsubstrate VSUBBAD = 0 / percent not XRTVSUB XSTDPHAS= T / Is PHAS col in standard configuration (T/F)? RA_NOM = 3.317350000000000E+02 / Right Ascension of target (deci. deg) DEC_NOM = 1.230749000000000E+01 / Declination of target (deci. deg) ABERRAT = F / Has aberration been corrected for in sky coordsFOLOWSUN= F / Has the Sun position been recalculated for eachHISTORY The DETX DETY X Y columns were updated by coordinator 0.1 on HISTORY 2023-10-08T HISTORY 06:41:01 UTC using teldef file HISTORY /aps/calibration/caldb_b20171016_xrt20230 HISTORY 725_u20201215_clock156/data/swift/xrt/bcf/teldef/swx20210101v001.telde HISTORY HISTORY and attitude file sw00016256001pat.fits. HISTORY HISTORY START PARAMETER list for coordinator_0.1 at 2023-10-08T06:41:01 HISTORY HISTORY P1 eventfile = sw00016256001xpcw3po_uf.evt HISTORY P2 eventext = EVENTS HISTORY P3 timecol = TIME HISTORY P4 skyxnull = -1 HISTORY P5 skyynull = -1 HISTORY P6 attfile = sw00016256001pat.fits HISTORY P7 teldef = CALDB HISTORY /aps/calibration/caldb_b20171016_xrt20230725_u20201215_clock156/data HISTORY /swift/xrt/bcf/teldef/swx20210101v001.teldef HISTORY P8 aberration = no HISTORY P9 follow_sun = yes HISTORY P10 ra = 331.734971703819 HISTORY P11 dec = 12.3074898568978 HISTORY P12 randomize = yes HISTORY P13 seed = -1956 HISTORY P14 timemargin = 32 HISTORY P15 interpolation = CONSTANT HISTORY P16 history = yes HISTORY P17 chatter = 1 HISTORY P18 mode = hl HISTORY END PARAMETER list for coordinator_0.1 HISTORY ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat HISTORY File modified by xrtflagpix_0.7.5 (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:03 HISTORY Overwritten STATUS column. HISTORY Used following file(s) to get bad pixels: HISTORY /aps/calibration/caldb_b20171016_xrt20230725_u20201215_clock156/data/s HISTORY wift/xrt/bcf/badpix/swxbadpix20090821v005.fits CALDB bad pixels file HISTORY /aps/calibration/caldb_b20171016_xrt20230725_u20201215_clock156/data/s HISTORY wift/xrt/bcf/badpix/swxonboardbp20090821v004.fits on-board bad pixels HISTORY table COMMENT Events STATUS flags COMMENT b0000000000000000 Good event COMMENT b0000000000000001 Event falls in bad pixel from CALDB COMMENT b0000000000000010 Event falls in bad pixel from on board Bad Pixels COMMENT Tabl COMMENT COMMENT b0000000000000100 Event falls in burned spot region COMMENT b0000000000001000 Event falls in hot bad pixel COMMENT b0000000000010000 Event falls in user bad pixel COMMENT b0000000000100000 Event falls in flickering bad pixel COMMENT b0000000001000000 Event falls in telemetred bad pixel COMMENT b0000000010000000 Event has a neighbor bad from hot and flickering COMMENT pixel COMMENT s list COMMENT b0000000100000000 Column COMMENT b0000001000000000 Event has PHA[1] < Event threshold COMMENT b0000010000000000 Event has a neighbor bad from bad pixels list COMMENT b0000100000000000 Bad event COMMENT b0001000000000000 Event from calibration source 1 COMMENT b0010000000000000 Event from calibration source 2 COMMENT b0100000000000000 Event from calibration source 3 COMMENT b1000000000000000 Event from calibration source 4 XRTFLAG = T / Are events flagged (T/F)? XRTMAXTP= 0.0000000000000E+00 / Temperature threshold to flag burned spot HISTORY HISTORY START PARAMETER list for xrtflagpix_0.7.5 at 2023-10-08T06:41:04 HISTORY HISTORY P1 infile = biasfile.tmp.2574out HISTORY P2 outfile = biasfile.tmp.2574tmp HISTORY P3 hdfile = sw00016256001xhd.hk HISTORY P4 bpfile = CALDB HISTORY P5 srcfile = CALDB HISTORY P6 userbpfile = NONE HISTORY P7 bptable = CALDB HISTORY P8 thrfile = NONE HISTORY P9 phas1thr = 120 HISTORY P10 maxtemp = 0 HISTORY P11 outbpfile = NONE HISTORY P12 overstatus = yes HISTORY P13 chatter = 3 HISTORY P14 clobber = yes HISTORY P15 history = yes HISTORY P16 mode = ql HISTORY END PARAMETER list for xrtflagpix_0.7.5 HISTORY HISTORY File modified by 'xrtpcgrade_0.3.1' (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:04: calcolated PHA from PHAS value. XRTPHA = T / Is PHA computed (T/F)? HISTORY HISTORY START PARAMETER list for xrtpcgrade_0.3.1 at 2023-10-08T06:41:05 HISTORY HISTORY P1 infile = biasfile.tmp.2574out HISTORY P2 hdfile = sw00016256001xhd.hk HISTORY P3 outfile = biasfile.tmp.2574tmp HISTORY P4 gradefile = CALDB HISTORY P5 thrfile = NONE HISTORY P6 split = 120 HISTORY P7 ascagrade = no HISTORY P8 clobber = yes HISTORY P9 history = yes HISTORY P10 chatter = 3 HISTORY P11 mode = ql HISTORY END PARAMETER list for xrtpcgrade_0.3.1 HISTORY HISTORY File modified by xrthotpix_0.3.3 (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:06 HISTORY XRTHNFLG= F / Flag events with neighbour bad (T/F)? HISTORY HISTORY START PARAMETER list for xrthotpix_0.3.3 at 2023-10-08T06:41:07 HISTORY HISTORY P1 infile = biasfile.tmp.2574out HISTORY P2 outfile = biasfile.tmp.2574tmp HISTORY P3 outbpfile = NONE HISTORY P4 overstatus = yes HISTORY P5 usegoodevt = yes HISTORY P6 gradeiterate = yes HISTORY P7 cellsize = 3 HISTORY P8 impfac = 1000 HISTORY P9 logpos = -5.3 HISTORY P10 bthresh = 3 HISTORY P11 phamin = 0 HISTORY P12 phamax = 4095 HISTORY P13 cleanflick = yes HISTORY P14 iterate = yes HISTORY P15 hotneigh = no HISTORY P16 chatter = 3 HISTORY P17 clobber = yes HISTORY P18 history = yes HISTORY P19 mode = ql HISTORY END PARAMETER list for xrthotpix_0.3.3 HISTORY HISTORY File modified by 'xrtpccorr_0.2.4' (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:07: re-calcolated PHAS. HISTORY Added PHASO column XPHASCO = T / Has PHAS been corrected on ground (T/F)? XBADFRAM= F / File with out of range RAW coord. (T/F)? HISTORY HISTORY START PARAMETER list for xrtpccorr_0.2.4 at 2023-10-08T06:41:08 HISTORY HISTORY P1 infile = biasfile.tmp.2574out HISTORY P2 outfile = biasfile.tmp.2574tmp HISTORY P3 srcdetx = -1 HISTORY P4 srcdety = -1 HISTORY P5 srcra = 331.734971703819 HISTORY P6 srcdec = 12.3074898568978 HISTORY P7 ranom = -1 HISTORY P8 decnom = -91 HISTORY P9 teldef = CALDB HISTORY P10 aberration = no HISTORY P11 attinterpol = no HISTORY P12 attfile = sw00016256001pat.fits HISTORY P13 mkffile = sw00016256001x.mkf HISTORY P14 subimage = yes HISTORY P15 subimgsize = 100 HISTORY P16 nevents = 25 HISTORY P17 lessevents = no HISTORY P18 biasmethod = MEDIAN HISTORY P19 badpix = yes HISTORY P20 grademin = 0 HISTORY P21 grademax = 0 HISTORY P22 clobber = yes HISTORY P23 history = yes HISTORY P24 chatter = 3 HISTORY P25 mode = ql HISTORY END PARAMETER list for xrtpccorr_0.2.4 HISTORY HISTORY File modified by xrtpcbias_0.1.6 at 2023-10-08T02:41:12 HISTORY PHA PI GRADE PixAbove columns set to -1 HISTORY File modified by xrtflagpix_0.7.5 (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:13 HISTORY Overwritten STATUS column. HISTORY Used following file(s) to get bad pixels: HISTORY /aps/calibration/caldb_b20171016_xrt20230725_u20201215_clock156/data/s HISTORY wift/xrt/bcf/badpix/swxbadpix20090821v005.fits CALDB bad pixels file HISTORY /aps/calibration/caldb_b20171016_xrt20230725_u20201215_clock156/data/s HISTORY wift/xrt/bcf/badpix/swxonboardbp20090821v004.fits on-board bad pixels HISTORY table HISTORY HISTORY START PARAMETER list for xrtflagpix_0.7.5 at 2023-10-08T06:41:14 HISTORY HISTORY P1 infile = sw00016256001xpcw3po_uf.evt HISTORY P2 outfile = flagfile.tmp HISTORY P3 hdfile = sw00016256001xhd.hk HISTORY P4 bpfile = CALDB HISTORY P5 srcfile = CALDB HISTORY P6 userbpfile = NONE HISTORY P7 bptable = CALDB HISTORY P8 thrfile = CALDB HISTORY P9 phas1thr = 80 HISTORY P10 maxtemp = 0 HISTORY P11 outbpfile = NONE HISTORY P12 overstatus = yes HISTORY P13 chatter = 3 HISTORY P14 clobber = yes HISTORY P15 history = yes HISTORY P16 mode = hl HISTORY END PARAMETER list for xrtflagpix_0.7.5 HISTORY HISTORY File modified by 'xrtpcgrade_0.3.1' (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:14: calcolated PHA from PHAS value. DSTYP1 = 'GRADE ' / Data subspace descriptor: name DSFORM1 = 'I ' / Data subspace descriptor: datatype DSVAL1 = '0:12 ' / Data subspace descriptor: value HISTORY HISTORY START PARAMETER list for xrtpcgrade_0.3.1 at 2023-10-08T06:41:15 HISTORY HISTORY P1 infile = sw00016256001xpcw3po_uf.evt HISTORY P2 hdfile = sw00016256001xhd.hk HISTORY P3 outfile = gradefile.tmp HISTORY P4 gradefile = CALDB HISTORY P5 thrfile = CALDB HISTORY P6 split = 40 HISTORY P7 ascagrade = no HISTORY P8 clobber = yes HISTORY P9 history = yes HISTORY P10 chatter = 5 HISTORY P11 mode = hl HISTORY END PARAMETER list for xrtpcgrade_0.3.1 HISTORY HISTORY File modified by xrthotpix_0.3.3 (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:17 HISTORY HISTORY HISTORY START PARAMETER list for xrthotpix_0.3.3 at 2023-10-08T06:41:18 HISTORY HISTORY P1 infile = sw00016256001xpcw3po_uf.evt HISTORY P2 outfile = pixfile.tmp HISTORY P3 outbpfile = NONE HISTORY P4 overstatus = yes HISTORY P5 usegoodevt = yes HISTORY P6 gradeiterate = yes HISTORY P7 cellsize = 3 HISTORY P8 impfac = 1000.0 HISTORY P9 logpos = -5.3 HISTORY P10 bthresh = 3 HISTORY P11 phamin = 0 HISTORY P12 phamax = 4095 HISTORY P13 cleanflick = yes HISTORY P14 iterate = yes HISTORY P15 hotneigh = no HISTORY P16 chatter = 5 HISTORY P17 clobber = yes HISTORY P18 history = yes HISTORY P19 mode = hl HISTORY END PARAMETER list for xrthotpix_0.3.3 HISTORY HISTORY File modified by 'xrtcalcpi_0.4.4' (swxrtdas_12Apr19_v3.5.0) at HISTORY 2023-10-08T06:41:18: HISTORY HISTORY Used HISTORY /aps/calibration/caldb_b20171016_xrt20230725_u20201215_clock156/data/s HISTORY wift/xrt/bcf/gain/swxpcgains6_20010101v023.fits gain CALDB file XPITYPE = 'TOTAL ' / PI correction type applied XRTPI = T / Is PI computed (T/F)? HISTORY HISTORY START PARAMETER list for xrtcalcpi_0.4.4 at 2023-10-08T06:41:27 HISTORY HISTORY P1 infile = sw00016256001xpcw3po_uf.evt HISTORY P2 outfile = pifile.tmp HISTORY P3 hdfile = sw00016256001xhd.hk HISTORY P4 gainfile = CALDB HISTORY P5 seed = -1457 HISTORY P6 randomflag = yes HISTORY P7 gainnom = -99 HISTORY P8 offset = 0 HISTORY P9 corrtype = TOTAL HISTORY P10 userctcorrpar = no HISTORY P11 alpha1 = 0 HISTORY P12 alpha2 = 0 HISTORY P13 ebreak = 1 HISTORY P14 userctipar = no HISTORY P15 beta1 = 0 HISTORY P16 beta2 = 0 HISTORY P17 ecti = 1 HISTORY P18 offsetniter = 2 HISTORY P19 savepioffset = no HISTORY P20 savepinom = no HISTORY P21 clobber = yes HISTORY P22 history = yes HISTORY P23 chatter = 2 HISTORY P24 mode = hl HISTORY END PARAMETER list for xrtcalcpi_0.4.4 HISTORY TIMEZERO= 0.000000000000000E+00 / Time Zero OBJECT = 'TOO (331.735, 12.307)' / Object name DEADAPP = F / Has DEADC been applied to data MJD-OBS = 6.021541286114031E+04 / MJD of data start time USER = 'apsop ' / User name of creator FILIN001= 'sw00016256001xpcw3po_cl.evt' / Input file name NPIXSOU = 1.0000000000E+06 / Number of pixels in selected region HISTORY TASK: FSELECT on FILENAME: ./xselect2938evt.flt HISTORY fselect4.4 at 2023-10-08T06:41:38 HISTORY Expression: STATUS==b0 HISTORY HISTORY START PARAMETER list for xrtscreen_0.5.0 at 2023-10-08T02:41:38 HISTORY HISTORY P1 gtiexpr = "(ELV>=28||BR_EARTH>=120)&&(SUN_ANGLE>=45&&ANG_DIST<=0.15&&HISTORY P1 MOON_ANGLE>=14)&&((CCDTemp>=-102&&CCDTemp<=-47)&&(Vod1>=29.8&&Vod1<=3HISTORY P1 0.25)&&(Vod2>=29.30&&Vod2<=29.80)&&(Vrd1>=16.40&&Vrd1<=16.80)&&(Vrd2>HISTORY P1 =16.45&&Vrd2<=16.90)&&(Vsub>=5.67&&Vsub<=6.07)&&(Vbackjun>=5.65&&VbacHISTORY P1 kjun<=6.05)&&(BaseLin1>=0.1&&BaseLin1<=0.4)&&(BaseLin2>=-0.1&&BaseLinHISTORY P1 2<=0.1))&&((STAST_LOSSFCN>=0&&STAST_LOSSFCN<=5.0E-9)||(STAST_LOSSFCN>HISTORY P1 =1&&STAST_LOSSFCN<=5.0E+3))&&(STLOCKFL==1)&&((SETTLED==1&&TEN_ARCMIN=HISTORY P1 =1)||(SETTLED==1&&TEN_ARCMIN==0&&SAFEHOLD==0))" HISTORY P2 exprgrade = "0-12" HISTORY P3 expr = "STATUS==b0" HISTORY P4 infile = sw00016256001xpcw3po_uf.evt HISTORY P5 outdir = . HISTORY P6 clobber = no HISTORY P7 chatter = 3 HISTORY P8 history = yes HISTORY P9 createattgti = yes HISTORY P10 createinstrgti = yes HISTORY P11 gtiscreen = yes HISTORY P12 evtscreen = yes HISTORY P13 acsscreen = no HISTORY P14 obsmodescreen = yes HISTORY P15 mode = hl HISTORY P16 mkffile = sw00016256001x.mkf HISTORY P17 gtifile = xrtscreen_gti.tmp HISTORY P18 usrgtifile = NONE HISTORY P19 hkrangefile = CALDB HISTORY P20 timecol = TIME HISTORY P21 outfile = ./sw00016256001xpcw3po_cl.evt HISTORY P22 gtiext = GTI HISTORY P23 evtrangefile = CALDB HISTORY P24 cleanup = yes HISTORY HISTORY END PARAMETER list for xrtscreen_0.5.0 HISTORY CALDB HKRANGE file : /aps/calibration/caldb_b20171016_xrt20230725_u20201HISTORY 215_clock156/data/swift/xrt/bcf/instrument/swxhkranges6_20010101v011.fitHISTORY s HISTORY CALDB EVTRANGE file: /aps/calibration/caldb_b20171016_xrt20230725_u20201HISTORY 215_clock156/data/swift/xrt/bcf/instrument/swxevtrange20010101v002.fits RA_OBJ = 331.734971703819 / [deg] R.A. Object DEC_OBJ = 12.3074898568978 / [deg] Dec Object RA_PNT = 331.734971703819 / [deg] RA pointing DEC_PNT = 12.3074898568978 / [deg] Dec pointing PA_PNT = 266.945077272766 / [deg] Position angle (roll) CONTENT = 'IMAGE ' / image file HDUNAME = 'IMAGE ' DROLLANG= 0.000000000000000E+00 / Mean roll angle (deci. deg) IMGBIN = 1 / Image binning factor MTYPE1 = 'SKY ' / DM Keyword: Descriptor name. MFORM1 = 'X, Y ' / DM Keyword: Descriptor value. CTYPE1 = 'RA---TAN' CRPIX1 = 5.005000000000000E+02 / X axis reference pixel DRPIX1 = 5.005000000000000E+02 / original X axis reference pixel CRVAL1 = 3.317350000000000E+02 / Coord of X ref pixel CDELT1 = -6.548089000000000E-04 / X axis increment DDELT1 = -6.548089000000000E-04 / original X axis increment CTYPE2 = 'DEC--TAN' / projection CRPIX2 = 5.005000000000000E+02 / Y axis reference pixel DRPIX2 = 5.005000000000000E+02 / original Y axis reference pixel CRVAL2 = 1.230749000000000E+01 / Coord of Y ref pixel CDELT2 = 6.548089000000000E-04 / Y axis increment DDELT2 = 6.548089000000000E-04 / original Y axis increment CROTA2 = 0.000000000000000E+00 / Sky coord rotation angle WCSNAMEP= 'PHYSICAL' WCSTY1P = 'PHYSICAL' LTV1 = 0.000000000000000E+00 / offset for logical to physical pixel LTM1_1 = 1.000000000000000E+00 / slope for logical to physical pixel CTYPE1P = 'X ' / Source of X-axis CRPIX1P = 1.000000000000000E+00 / X axis reference pixel CRVAL1P = 1.000000000000000E+00 / coord of X ref pixel in original image CDELT1P = 1.000000000000000E+00 / X axis increment WCSTY2P = 'PHYSICAL' LTV2 = 0.000000000000000E+00 / offset for logical to physical pixel LTM2_2 = 1.000000000000000E+00 / slope for logical to physical pixel CTYPE2P = 'Y ' / Source of Y-axis CRPIX2P = 1.000000000000000E+00 / Y axis reference pixel CRVAL2P = 1.000000000000000E+00 / coord of Y ref pixel in original image CDELT2P = 1.000000000000000E+00 / Y axis increment TOTCTS = 5042 / Total pixel count CHANMIN = 0 / Low PI channel CHANMAX = 1023 / High PI channel CHANTYPE= 'PI ' / Energy channel name HISTORY extractor v5.24 CHECKSUM= 'afC9bZ97afC7aZ97' / HDU checksum updated 2023-10-08T06:46:35 DATASUM = '5042 ' / data unit checksum updated 2023-10-08T06:46:08 PROCVER = '3.19.02 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19' CALDBVER= 'b20171016_u20201215_x20230725_m20230918' / CALDB index versions used SEQPNUM = 8 / Number of times the dataset processed UTCFINIT= -32.0896200000000 / [s] UTCF at TSTART END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 5 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'START ' / label for field 1 TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'STOP ' / label for field 2 TFORM2 = '1D ' / data format of field: 8-byte DOUBLE TUNIT2 = 's ' / physical unit of field EXTNAME = 'GTI ' / name of this binary table extension HDUCLASS= 'OGIP ' / File conforms to OGIP/GSFC conventions HDUCLAS1= 'GTI ' / File contains Good Time Intervals HDUCLAS2= 'STANDARD' / File contains Good Time Intervals TELESCOP= 'SWIFT ' / Telescope (mission) name DATAMODE= 'PHOTON ' / Datamode INSTRUME= 'XRT ' / Instrument name OBJECT = 'TOO (331.735, 12.307)' / Object name ONTIME = 1.135806899428368E+03 / On-source time DEADC = 9.96041179E-01 / Deadtime correction DEADAPP = F / Has DEADC been applied to data EXPOSURE= 1.131310442885981E+03 / Exposure time LIVETIME= 1.131310442885981E+03 / Deadtime corrected on-source time DATE-OBS= '2023-09-28T09:53:22' / Start date of observations DATE-END= '2023-09-28T10:14:08' / End date of observations TSTART = 7.175876070185233E+08 / time start TSTOP = 7.175888511106033E+08 / time stop TELAPSE = 1.244092079997063E+03 / elapsed time MJD-OBS = 6.021541286114031E+04 / MJD of data start time MJDREFI = 51910 / MJD reference day MJDREFF = 7.428703700000000E-04 / MJD reference (fraction of day) TIMEREF = 'LOCAL ' / reference time TIMESYS = 'TT ' / time measured from TIMEUNIT= 's ' / unit for time keywords EQUINOX = 2.000E+03 / Equinox of celestial coord system RADECSYS= 'FK5 ' / celestial coord system USER = 'apsop ' / User name of creator FILIN001= 'sw00016256001xpcw3po_cl.evt' / Input file name CREATOR = 'extractor v5.24' / Extractor DATE = '2023-10-08T06:46:08' / file creation date (YYYY-MM-DDThh:mm:ss UT) ORIGIN = 'NASA/GSFC' / origin of fits file HDUNAME = 'GTI ' / ASCDM block name MTYPE1 = 'TIME ' / Data type MFORM1 = 'START,STOP' / names of the start and stop columns METYP1 = 'R ' / data descriptor type: Range, binned data CHECKSUM= 'UgGaaeGUVeGaaeGU' / HDU checksum updated 2023-10-08T06:46:35 DATASUM = '4019703821' / data unit checksum updated 2023-10-08T06:46:08 PROCVER = '3.19.02 ' / Processing script version TIERRELA= 1.0E-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds OBS_ID = '00016256001' / Observation ID SEQPNUM = 8 / Number of times the dataset processed TARG_ID = 16256 / Target ID SEG_NUM = 1 / Segment number RA_OBJ = 331.734971703819 / [deg] R.A. Object DEC_OBJ = 12.3074898568978 / [deg] Dec Object RA_PNT = 331.734971703819 / [deg] RA pointing DEC_PNT = 12.3074898568978 / [deg] Dec pointing PA_PNT = 266.945077272766 / [deg] Position angle (roll) ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -32.0896200000000 / [s] UTCF at TSTART END A�b�K�_�A�b� _�A�b�-�ZA�b�RM�UA�b�_��A�b�}�0rA�bċ~��A�bĠΘPA�bĮE�eA�bĹ�(@XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 52 / width of table in bytes NAXIS2 = 1 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 11 / number of fields in each row TTYPE1 = 'SRCRATE ' / label for field 1 TFORM1 = '1E ' / data format of field: 4-byte REAL TUNIT1 = 'count/s ' / physical unit of field TTYPE2 = 'SRCRATE_ERR' / label for field 2 TFORM2 = '1E ' / data format of field: 4-byte REAL TUNIT2 = 'count/s ' / physical unit of field TTYPE3 = 'X ' / label for field 3 TFORM3 = '1E ' / data format of field: 4-byte REAL TUNIT3 = 'pixel ' / physical unit of field TTYPE4 = 'Y ' / label for field 4 TFORM4 = '1E ' / data format of field: 4-byte REAL TUNIT4 = 'pixel ' / physical unit of field TTYPE5 = 'VIGNET ' / label for field 5 TFORM5 = '1E ' / data format of field: 4-byte REAL TTYPE6 = 'RA ' / label for field 6 TFORM6 = '1D ' / data format of field: 8-byte DOUBLE TUNIT6 = 'deg ' / physical unit of field TTYPE7 = 'DEC ' / label for field 7 TFORM7 = '1D ' / data format of field: 8-byte DOUBLE TUNIT7 = 'deg ' / physical unit of field TTYPE8 = 'ERRRAD ' / label for field 8 TFORM8 = '1E ' / data format of field: 4-byte REAL TUNIT8 = 'arcsec ' / physical unit of field TTYPE9 = 'HBOXSIZE' / label for field 9 TFORM9 = '1E ' / data format of field: 4-byte REAL TUNIT9 = 'arcsec ' / physical unit of field TTYPE10 = 'PROB ' / label for field 10 TFORM10 = '1E ' / data format of field: 4-byte REAL TTYPE11 = 'SNR ' / label for field 11 TFORM11 = '1E ' / data format of field: 4-byte REAL EXTNAME = 'SRCLIST ' / name of this binary table extension FILE = 'sw00016256001xpc_sk.img' / Filename OBJECT = 'TOO (331.735, 12.307)' / Object name TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name RA_NOM = 331.735 / Nominal RA DEC_NOM = 12.30749 / Nominal Dec EQUINOX = 2.000E+03 / Equinox of celestial coord system EXPOSURE= 1.131310442885981E+03 / Exposure time DATE-OBS= '2023-09-28T09:53:22' / Start date of observations HISTORY WCSAXES = 2 / Number of WCS axes HISTORY CRPIX1 = 300.5 / Reference pixel on axis 1 HISTORY CRPIX2 = 300.5 / Reference pixel on axis 2 HISTORY CRVAL1 = 331.735 / Value at ref. pixel on axis 1 HISTORY CRVAL2 = 12.30749 / Value at ref. pixel on axis 2 HISTORY CTYPE1 = 'RA---TAN' / Type of co-ordinate on axis 1 HISTORY CTYPE2 = 'DEC--TAN' / Type of co-ordinate on axis 2 HISTORY CD1_1 = -6.548089E-4 / Transformation matrix element HISTORY CD2_2 = 0.0006548089 / Transformation matrix element HISTORY MJD-OBS = 60215.4120835477 / Modified Julian Date of observation HISTORY RADESYS = 'FK5 ' / Reference frame for RA/DEC values HISTORY WCSAXESP= 2 / Number of WCS axes HISTORY CRPIX1P = 1.0 / Reference pixel on axis 1 HISTORY CRPIX2P = 1.0 / Reference pixel on axis 2 HISTORY CRVAL1P = 201.0 / Value at ref. pixel on axis 1 HISTORY CRVAL2P = 201.0 / Value at ref. pixel on axis 2 HISTORY CTYPE1P = 'X ' / Source of X-axis HISTORY CTYPE2P = 'Y ' / Source of Y-axis DATE-END= '2023-09-28T10:14:08' / End date of observations HISTORY WCSNAMEP= 'PHYSICAL' / Reference name for the coord. frame HISTORY CDELT1P = 1.0 / Rebin factor in x HISTORY CDELT2P = 1.0 / Rebin factor in y CREATOR = 'XIMAGE ' / Program that produced this file DATE = '2023-10-08T06:46:09' / file creation date (YYYY-MM-DDThh:mm:ss UT) TELAPSE = 1.244092079997063E+03 / elapsed time ONTIME = 1.135806899428368E+03 / On-source time LIVETIME= 1.131310442885981E+03 / Deadtime corrected on-source time DEADC = 9.96041179E-01 / Deadtime correction DATAMODE= 'PHOTON ' / Datamode OBS_ID = '00016256001' / Observation ID TARG_ID = 16256 / Target ID SEG_NUM = 1 / Segment number RADECSYS= 'FK5 ' / celestial coord system OBS_MODE= 'POINTING' / default ORIGIN = 'NASA/GSFC' / origin of fits file COMMENT COMMENT COMMENT NOTE : The list of sources is obtained with the ximage COMMENT 'detect' command used on the image stored in the primary COMMENT header of this file. The output of 'detect' included in this COMMENT extension has not been verified and may contain spurios COMMENT detections. COMMENT COMMENT PROCVER = '3.19.02 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19' CALDBVER= 'b20171016_u20201215_x20230725_m20230918' / CALDB index versions used TIERRELA= 1.0E-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds SEQPNUM = 8 / Number of times the dataset processed RA_OBJ = 331.734971703819 / [deg] R.A. Object DEC_OBJ = 12.3074898568978 / [deg] Dec Object RA_PNT = 331.734971703819 / [deg] RA pointing DEC_PNT = 12.3074898568978 / [deg] Dec pointing PA_PNT = 266.945077272766 / [deg] Position angle (roll) ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -32.0896200000000 / [s] UTCF at TSTART CHECKSUM= '53cU70bS50bS50bS' / HDU checksum updated 2023-10-08T06:46:35 DATASUM = '1115701901' / data unit checksum updated 2023-10-08T06:46:35 END <��;� .C�C�ʪ?�ُ@t�%<�Q@(��)9��AOq�5�L@@=a�