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= 'BAT     '           / Instrument name                                OBS_ID  = '00090078001'        / Observation ID                                 TARG_ID =                90078 / Target ID                                      SEG_NUM =                    1 / 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:CLOCKAPP=                    F / If clock correction are applied (F/T)          TIMEUNIT= 's       '           / Time unit for timing header keywords           TSTART  = 2.616685950000000E+08 / time start                                    TSTOP   = 2.617554130690000E+08 / time stop                                     DATE-OBS= '2009-04-17T13:43:14' / Start date of observations                    DATE-END= '2009-04-18T13:50:12' / End date of observations                      ORIGIN  = 'NASA/GSFC'          / origin of fits file                            CREATOR = 'extractor v4.78'    / Extractor                                      TLM2FITS= 'V7.13'               / Telemetry converter version number            DATE    = '2009-04-23T13:55:27' / file creation date (YYYY-MM-DDThh:mm:ss UT)   NEVENTS =              6623368 / Number of events                               DATAMODE= 'Event   '           / Datamode                                       OBJECT  = 'PDS456  '           / Object name                                    ONTIME  = 6.004150000214577E+02 / On-source time                                EXPOSURE= 6.004150000214577E+02 / Exposure time                                 LIVETIME= 6.004150000214577E+02 / On-source time                                TELAPSE = 8.681806900000572E+04 / elapsed time                                  MJD-OBS = 5.493857244425926E+04 / MJD of data start time                        TIMEREF = 'LOCAL   '           / reference time                                 EQUINOX =            2.000E+03 / Equinox of celestial coord system              RADECSYS= 'FK5     '           / celestial coord system                         USER    = 'apsop   '           / User name of creator                           FILIN001= 'sw00090078001bevshsp_uf.evt' / Input file name                       TIMEZERO= 0.000000000000000E+00 / Time Zero                                     CHECKSUM= 'm5Ecm49am4Cam49a'   / HDU checksum updated 2009-04-23T14:07:19       DATASUM = '         0'         / data unit checksum updated 2009-04-23T13:55:27 PROCVER = '3.12.9  '           / Processing script version                      SOFTVER = 'Hea_19Sep2007_V6.3.2_Swift_Rel2.7.2(Bld21.2)_19Sep2007' / HEASOFT andCALDBVER= 'b20070924_u20071106_x20071101_m20071023' / CALDB index versions used SEQPNUM =                   12 / Number of times the dataset processed          RA_OBJ  =          262.0820833 / [deg] R.A. Object                              DEC_OBJ =         -14.26561111 / [deg] Dec Object                               RA_PNT  =     262.086756572972 / [deg] RA pointing                              DEC_PNT =    -14.2584533334603 / [deg] Dec pointing                             PA_PNT  =     80.9015505579048 / [deg] Position angle (roll)                    CATSRC  =                    F                                                  ATTFLAG = '100     '           / Orgin of attitude information                  UTCFINIT=    -4.66662000000000 / [s] UTCF at TSTART                             END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                   26 / width of table in bytes                        NAXIS2  =                   80 / number of rows in table                        PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    4 / number of fields in each row                   TTYPE1  = 'CHANNEL '           / Spectrum channel number                        TFORM1  = 'I       '           / data format of field: 2-byte INTEGER           TTYPE2  = 'RATE    '           / Spectrum rate                                  TFORM2  = 'D       '           / data format of field: 8-byte DOUBLE            TUNIT2  = 'count/s '           / physical unit of field                         TTYPE3  = 'STAT_ERR'           / Spectrum statistical error                     TFORM3  = 'D       '           / data format of field: 8-byte DOUBLE            TUNIT3  = 'count/s '           / physical unit of field                         EXTNAME = 'SPECTRUM'           / name of this binary table extension            HDUCLASS= 'OGIP    '           / Conforms to OGIP/GSFC standards                HDUCLAS1= 'SPECTRUM'           / Contains spectrum                              GAINAPP =                    T / Gain correction has been applied               TIMESYS = 'TT      '           / time measured from                             MJDREFI =                51910 / MJD reference day                              MJDREFF = 7.428703700000000E-04 / MJD reference (fraction of day)               TIMEREF = 'LOCAL   '           / reference time                                 TASSIGN = 'SATELLITE'          / Time assigned by clock                         TIMEUNIT= 's       '           / unit for time keywords                         TIERRELA=               1.0E-8 / [s/s] relative errors expressed as rate        TIERABSO=                  1.0 / [s] timing  precision  in seconds              TSTART  =           261737980.                                                  TSTOP   =           261737985.                                                  DATE-OBS= '2009-04-17T13:43:14' / Start date of observations                    DATE-END= '2009-04-18T13:50:12' / End date of observations                      CLOCKAPP=                    F / default                                        TELAPSE =                   5. / [s] Total elapsed time from start to stop      ONTIME  =                   5. / [s] Accumulated on-time                        LIVETIME=                   5. / [s] ONTIME multiplied by DEADC                 EXPOSURE=                   5. / [s] Accumulated exposure                       DEADC   =                   1. / Dead time correction factor                    TIMEPIXR=                   0. / Time bin alignment                             TIMEDEL = 100.0E-6             / [s] time resolution of data                    TELESCOP= 'SWIFT   '           /  Telescope (mission) name                      INSTRUME= 'BAT     '           /  Instrument name                               DATAMODE= 'Event   '           / Datamode                                       OBS_ID  = '00090078001'        / Observation ID                                 TARG_ID =                90078 / Target ID                                      SEG_NUM =                    1 / Segment number                                 EQUINOX =            2.000E+03 / Equinox of celestial coord system              RADECSYS= 'FK5     '           / celestial coord system                         OBS_MODE= 'SLEW    '                                                            ORIGIN  = 'NASA/GSFC'          / origin of fits file                            CREATOR = 'batbinevt 1.48'     / Program that created this FITS file            TLM2FITS= 'V7.13'               / Telemetry converter version number            DATE    = '2009-04-23T13:55:27' / file creation date (YYYY-MM-DDThh:mm:ss UT)   LDPEBINS=                    0 / LDP Energy Bin count                           LDPTYPE =                   11 / LDP Type Code                                  LDPGAIN =                1110. / LDP Gain Index                                 LDPOFFST=                2970. / LDP Offset Index                               LDPNA1  = 'e7phfniz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA2  = 'e7pjdqvz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA3  = 'e7pjjf4z.evl'       / LDPNAME of nn'th processed LDP                 LDPNA4  = 'e7pjuokz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA5  = 'e7pk4csz.evl'       / LDPNAME of nn'th processed LDP                 HISTORY ApID(567) LDP(50862) Row 1 to 1360237                                   HISTORY ApID(567) LDP(51985) Row 1349896 to 2564886                             HISTORY ApID(567) LDP(52105) Row 2555485 to 4107227                             HISTORY ApID(567) LDP(52363) Row 4097413 to 5338271                             HISTORY ApID(567) LDP(52485) Row 5328451 to 6634414                             HISTORY No single packet ApIDs contributed.                                     HISTORY LDP(567,50862) File: swift_ldp_015fde01_0bd4_567_50862.ccsds            HISTORY     Product(50862) BAT Pages(7983) Found Pages(7983)                    HISTORY     Valid Pages(7983) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,51985) File: swift_ldp_015fde01_0bd4_567_51985.ccsds            HISTORY     Product(51985) BAT Pages(7333) Found Pages(7333)                    HISTORY     Valid Pages(7333) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,52105) File: swift_ldp_015fde01_0bd4_567_52105.ccsds            HISTORY     Product(52105) BAT Pages(8784) Found Pages(8784)                    HISTORY     Valid Pages(8784) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,52363) File: swift_ldp_015fde01_0bd4_567_52363.ccsds            HISTORY     Product(52363) BAT Pages(7462) Found Pages(7462)                    HISTORY     Valid Pages(7462) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,52485) File: swift_ldp_015fde01_0bd4_567_52485.ccsds            HISTORY     Product(52485) BAT Pages(7748) Found Pages(7748)                    HISTORY     Valid Pages(7748) Simulated Pages (0) Missing Pages(0)              HISTORY TASK: FMEMSORT on FILENAME: sw00090078001bevshto_uf.evt[EVENTS]         HISTORY fmemsort4.1 at 2009-04-23T13:44:41                                      GAINMETH= 'FIXEDDAC'           / Cubic ground gain/offset correction using DAC-bHISTORY                                                                         HISTORY START PARAMETER list for bateconvert_4.3 at 2009-04-23T13:52:01         HISTORY                                                                         HISTORY P1 infile = sw00090078001bevshsp_uf.evt                                 HISTORY P2 calfile = sw00349447000bcbo0b9ag0456_01.fits                         HISTORY P3 residfile = CALDB                                                    HISTORY P4 pulserfile = CALDB                                                   HISTORY P5 fltpulserfile = CALDB                                                HISTORY P6 outfile = NONE                                                       HISTORY P7 calmode = INDEF                                                      HISTORY P8 zeroit = no                                                          HISTORY P9 scaled_energy = yes                                                  HISTORY P10 clobber = yes                                                       HISTORY P11 chatter = 3                                                         HISTORY P12 history = yes                                                       HISTORY P13 mode = hl                                                           HISTORY END PARAMETER list for bateconvert_4.3                                  HISTORY                                                                         TIMEZERO= 0.000000000000000E+00 / Time Zero                                     OBJECT  = 'PDS456  '           / Object name                                    MJD-OBS = 5.493857244425926E+04 / MJD of data start time                        USER    = 'apsop   '           / User name of creator                           NPIXSOU =     4.9478000000E+04 / Number of pixels in selected region            PROCVER = '3.12.9  '           / Processing script version                      SOFTVER = 'Hea_19Sep2007_V6.3.2_Swift_Rel2.7.2(Bld21.2)_19Sep2007' / HEASOFT andCALDBVER= 'b20070924_u20071106_x20071101_m20071023' / CALDB index versions used SEQPNUM =                   12 / Number of times the dataset processed          RA_OBJ  =          262.0820833 / [deg] R.A. Object                              DEC_OBJ =         -14.26561111 / [deg] Dec Object                               RA_PNT  =     262.086756572972 / [deg] RA pointing                              DEC_PNT =    -14.2584533334603 / [deg] Dec pointing                             PA_PNT  =     80.9015505579048 / [deg] Position angle (roll)                    CATSRC  =                    F                                                  ATTFLAG = '100     '           / Orgin of attitude information                  UTCFINIT=    -4.66662000000000 / [s] UTCF at TSTART                             BCALFILE= 'sw00090078001bgocb.hk.gz' / BAT total linear gain/offset file name   BRESFILE= 'swbquadres20030304v003.fits' / BAT Residual from linear gain file namBPULFILE= 'swbpulsecal20080601v001.fits' / BAT Ground Pulser DAC to keV file namBFLTFILE= 'swbpulseflt20040101v001.fits' / BAT Flight Pulser DAC to keV file namHISTORY                                                                         HISTORY START PARAMETER list for bateconvert_6.3 at 2014-11-11T13:47:38         HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/GRB090418B/00090078001/bat/event/sw00090078001bevshsl_uf.evt    HISTORY P2 calfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB090418B/00090078001/bat/hk/sw00090078001bgocb.hk.gz         HISTORY P3 residfile = CALDB                                                    HISTORY P4 pulserfile = CALDB                                                   HISTORY P5 fltpulserfile = CALDB                                                HISTORY P6 outfile = NONE                                                       HISTORY P7 calmode = FIXEDDAC                                                   HISTORY P8 zeroit = NO                                                          HISTORY P9 scaled_energy = YES                                                  HISTORY P10 clobber = NO                                                        HISTORY P11 chatter = 2                                                         HISTORY P12 history = YES                                                       HISTORY P13 mode = ql                                                           HISTORY END PARAMETER list for bateconvert_6.3                                  HISTORY                                                                         HISTORY CFITSIO used the following filtering expression to create this table:   HISTORY /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0904HISTORY 18B/00090078001/bat/event/sw00090078001bevshsl_uf.evt[EVENTS][gtifilter(HISTORY "/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB090HISTORY 418B/00090078001-results/events/sw00090078001b_all.evt-totgti.gti",TIME)HISTORY ]                                                                       HISTORY                                                                         HISTORY START PARAMETER list for ftmerge_2.20 at 2014-11-11T13:47:40            HISTORY                                                                         HISTORY P1 (infile = @/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P1 reproc/GRB090418B/00090078001-results/events/sw00090078001b_all.evt-eHISTORY P1 ts.lis)                                                              HISTORY                                                                         HISTORY START FILE listing: sw00090078001b_all.evt-events.lis                   HISTORY                                                                         HISTORY F1 /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0HISTORY F1 90418B/00090078001/bat/event/sw00090078001bevshsl_uf.evt[EVENTS][gtifHISTORY F1 er("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/HISTORY F1 090418B/00090078001-results/events/sw00090078001b_all.evt-totgti.gti"HISTORY F1 ME)]                                                                 HISTORY END FILE listing: sw00090078001b_all.evt-events.lis                     HISTORY                                                                         HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB090418B/00090078001-results/events/sw00090078001b_all.evt   HISTORY P3 columns = *                                                          HISTORY P4 insertrow = 0                                                        HISTORY P5 lastkey =                                                            HISTORY P6 copyall = YES                                                        HISTORY P7 skipbadfiles = NO                                                    HISTORY P8 clobber = YES                                                        HISTORY P9 chatter = 1                                                          HISTORY P10 history = YES                                                       HISTORY P11 mode = ql                                                           HISTORY END PARAMETER list for ftmerge_2.20                                     HISTORY                                                                         FILIN001= '/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB'TRIGTIME=        261738025.849 / [s] MET Trigger Time                           BATCREAT= 'batmaskwtevt 1.22'  / BAT Program that modified this FITS file       MASKBATX=                   0. / [cm] Center of mask tile plane in BAT_X        MASKBATY=                   0. / [cm] Center of mask tile plane in BAT_Y        MASKBATZ=                100.3 / [cm] Top of mask tile plane in BAT_Z           MASKOFFX=               -0.145 / [cm] Offset of mask in BAT_X                   MASKOFFY=                0.114 / [cm] Offset of mask in BAT_Y                   MASKOFFZ=                 0.05 / [cm] Offset of mask in BAT_Z                   MASKX0  =              -124.25 / [cm] Position of mask corner in BAT_X          MASKY0  =               -63.25 / [cm] Position of mask corner in BAT_Y          MASKPSI0=                   0. / [deg] Mask Euler rotation about X-axis         MASKPSI1=                   0. / [deg] Mask Euler rotation about Y-axis         MASKPSI2=                   0. / [deg] Mask Euler rotation about Z-axis         MASKCELX=                  0.5 / [cm] Size of mask cell in BAT_X                MASKCELY=                  0.5 / [cm] Size of mask cell in BAT_Y                MASKCELZ=                  0.1 / [cm] Size of mask cell in BAT_Z                DETBATX =                   0. / [cm] Center of detector plane in BAT_X         DETBATY =                   0. / [cm] Center of detector plane in BAT_Y         DETBATZ =                 0.35 / [cm] Top of detector plane in BAT_Z            DETOFFX =                   0. / [cm] Offset of detector plane in BAT_X         DETOFFY =                   0. / [cm] Offset of detector plane in BAT_Y         DETOFFZ =                   0. / [cm] Offset of detector plane in BAT_Z         DETCELX =                 0.42 / [cm] Size of detector pitch cell in BAT_X      DETCELY =                 0.42 / [cm] Size of detector pitch cell in BAT_Y      DETCELZ =                  0.2 / [cm] Size of detector pitch cell in BAT_Z      DETSIZEX=                  0.4 / [cm] Size of detector in BAT_X                 DETSIZEY=                  0.4 / [cm] Size of detector in BAT_Y                 DETSIZEZ=                  0.2 / [cm] Size of detector in BAT_Z                 BAT_RA  =               225.91 / [deg] Right ascension of source                BAT_DEC =               17.224 / [deg] Declination of source                    BAT_XOBJ=     6326914.54314117                                                  BAT_YOBJ=    -1952865.33541672                                                  BAT_ZOBJ=             10000000                                                  COORTYPE= 'sky     '           / Type of coordinates specified for weighting    FFAPP   =                    T / Projection correction applied?                 NFAPP   =                    F / Near-field correction applied? ~(COS+RSQ)      PCODEAPP=                    T / Partial coding correction applied?             PCODEFR =    0.637130796909332                                                  NGPIXAPP=                    T / Normalized by number of detectors?             NGOODPIX=                24411                                                  MSKWTSQF=     1.11123476297926                                                  MSKWTAPP=                    T / Correction for mask weight technique applied?  BDISTAPP=                    F /  BAT image corrected for distortions?          APERTURE= 'swbaperflux20041120v001.fits' / BAT aperture file name               BTELDEF = 'swb20070911v001.teldef' / BAT teldef file name                       BACKAPP =                    T / Was background correction applied?             HDUCLAS2= 'NET     '           / Spectrum is background subtracted              HDUCLAS3= 'RATE    '           / Spectrum is count/s                            PHAVERSN= '1992a   '           / Version of spectrum format                     HDUVERS = '1.2.0   '           / Version of spectrum header                     FLUXMETH= 'WEIGHTED'           / Flux extraction method                         AREASCAL=                   1. / Nominal effective area                         BACKSCAL=                   1. / Background scale factor                        CORRSCAL=                   0. / Correction scale factor                        BACKFILE= 'none    '           / Background FITS file                           CORRFILE= 'none    '           / Correction FITS file                           RESPFILE= '/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB'ANCRFILE= 'none    '           / Effective Area file (ARF)                      XFLT0001= 'none    '           / XSPEC selection filter description             QUALITY =                    0 / Data quality flag                              GROUPING=                    0 / Spectra are not grouped                        POISSERR=                    F / Poisson errors do not apply                    DETCHANS=                   80 / Total number of detector channels available    CHANTYPE= 'PI      '           / Pulse height channel type                      TLMIN1  =                    0 / Minimum legal value                            TLMAX1  =                   79 / Maximum legal value                            TOTCOUNT=             16386352 / Total number of counts                         HISTORY                                                                         HISTORY START PARAMETER list for batbinevt_1.48 at 2016-01-10T18:06:12          HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/GRB090418B/00090078001-results/events/sw00090078001b_all.evt    HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB090418B/remake_spec_cflux/spec_T100/sw00090078001b_4.pha    HISTORY P3 outtype = PHA                                                        HISTORY P4 timedel = 0                                                          HISTORY P5 timebinalg = u                                                       HISTORY P6 energybins = CALDB:80                                                HISTORY P7 gtifile = NONE                                                       HISTORY P8 ecol = ENERGY                                                        HISTORY P9 weighted = YES                                                       HISTORY P10 outunits = RATE                                                     HISTORY P11 timepixr = -1.0                                                     HISTORY P12 maskwt = NONE                                                       HISTORY P13 tstart = 261737980.0                                                HISTORY P14 tstop = 261737985.0                                                 HISTORY P15 snrthresh = 6.0                                                     HISTORY P16 detmask = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P16 reproc/GRB090418B/00090078001-results/auxil/sw00090078001b_qmap.fitsHISTORY P17 tcol = TIME                                                         HISTORY P18 countscol = DPH_COUNTS                                              HISTORY P19 xcol = DETX                                                         HISTORY P20 ycol = DETY                                                         HISTORY P21 maskwtcol = MASK_WEIGHT                                             HISTORY P22 ebinquant = 0.1                                                     HISTORY P23 delzeroes = NO                                                      HISTORY P24 minfracexp = 0.1                                                    HISTORY P25 min_dph_frac_overlap = .999                                         HISTORY P26 min_dph_time_overlap = 0                                            HISTORY P27 max_dph_time_nonoverlap = 0.5                                       HISTORY P28 buffersize = 16384                                                  HISTORY P29 clobber = yes                                                       HISTORY P30 chatter = 2                                                         HISTORY P31 history = YES                                                       HISTORY P32 mode = ql                                                           HISTORY END PARAMETER list for batbinevt_1.48                                   HISTORY                                                                         HISTORY                                                                         HISTORY START PARAMETER list for batupdatephakw_1.4 at 2016-01-10T18:06:12      HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/GRB090418B/remake_spec_cflux/spec_T100/sw00090078001b_4.pha     HISTORY P2 auxfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB090418B/00090078001-results/auxil/sw00090078001b_all.evaux  HISTORY P3 chatter = 1                                                          HISTORY P4 clobber = no                                                         HISTORY P5 history = yes                                                        HISTORY P6 mode = ql                                                            HISTORY END PARAMETER list for batupdatephakw_1.4                               HISTORY                                                                         TTYPE4  = 'SYS_ERR '           / Fractional systematic error                    TFORM4  = 'D       '           / format of field                                HISTORY                                                                         HISTORY START PARAMETER list for batphasyserr_1.6 at 2016-01-10T18:06:12        HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/GRB090418B/remake_spec_cflux/spec_T100/sw00090078001b_4.pha     HISTORY P2 syserrfile = CALDB                                                   HISTORY P3 chatter = 2                                                          HISTORY P4 clobber = no                                                         HISTORY P5 history = yes                                                        HISTORY P6 mode = ql                                                            HISTORY END PARAMETER list for batphasyserr_1.6                                 HISTORY                                                                         END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ?rʘ�ff?J���8�?�
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m�?7wm�94�?�z�@H?:�B��ff?8K�����?�z�@I?-�P?7���Ɯ�?�z�@J?1����ff?7�hl??�z�@K?Mڳ�y��?:|�\U��?�z�@L?7m�����?7k�RH?�z�@M?H:���ff?;"�m
��?�z�@N?+�fff?3���a?�<EW�|O?v$l���?b�&cR�?�XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                   10 / width of table in bytes                        NAXIS2  =                   80 / 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  = 'CHANNEL '           / Spectrum channel number                        TFORM1  = 'I       '           / data format of field: 2-byte INTEGER           TTYPE2  = 'E_MIN   '           / Channel lower energy bin edge                  TFORM2  = 'E       '           / data format of field: 4-byte REAL              TUNIT2  = 'keV     '           / physical unit of field                         TTYPE3  = 'E_MAX   '           / Channel upper energy bin edge                  TFORM3  = 'E       '           / data format of field: 4-byte REAL              TUNIT3  = 'keV     '           / physical unit of field                         EXTNAME = 'EBOUNDS '           / name of this binary table extension            HDUCLASS= 'OGIP    '           / Conforms to OGIP/GSFC standards                HDUCLAS1= 'RESPONSE'           / Contains spectrum                              GAINAPP =                    T / Gain correction has been applied               TIMESYS = 'TT      '           / time measured from                             MJDREFI =                51910 / MJD reference day                              MJDREFF = 7.428703700000000E-04 / MJD reference (fraction of day)               TIMEREF = 'LOCAL   '           / reference time                                 TASSIGN = 'SATELLITE'          / Time assigned by clock                         TIMEUNIT= 's       '           / unit for time keywords                         TIERRELA=               1.0E-8 / [s/s] relative errors expressed as rate        TIERABSO=                  1.0 / [s] timing  precision  in seconds              TSTART  =           261737980.                                                  TSTOP   =           261737985.                                                  DATE-OBS= '2009-04-17T13:43:14' / Start date of observations                    DATE-END= '2009-04-18T13:50:12' / End date of observations                      CLOCKAPP=                    F / default                                        DEADC   =                   1. / dead time correction                           TIMEPIXR= 0.0                  / Bin time beginning=0 middle=0.5 end=1          TIMEDEL = 100.0E-6             / [s] time resolution of data                    TELESCOP= 'SWIFT   '           /  Telescope (mission) name                      INSTRUME= 'BAT     '           /  Instrument name                               DATAMODE= 'Event   '           / Datamode                                       OBS_ID  = '00090078001'        / Observation ID                                 TARG_ID =                90078 / Target ID                                      SEG_NUM =                    1 / Segment number                                 EQUINOX =            2.000E+03 / Equinox of celestial coord system              RADECSYS= 'FK5     '           / celestial coord system                         OBS_MODE= 'SLEW    '                                                            ORIGIN  = 'NASA/GSFC'          / origin of fits file                            CREATOR = 'batbinevt 1.48'     / Program that created this FITS file            TLM2FITS= 'V7.13'               / Telemetry converter version number            DATE    = '2009-04-23T13:55:27' / file creation date (YYYY-MM-DDThh:mm:ss UT)   LDPEBINS=                    0 / LDP Energy Bin count                           LDPTYPE =                   11 / LDP Type Code                                  LDPGAIN =                1110. / LDP Gain Index                                 LDPOFFST=                2970. / LDP Offset Index                               LDPNA1  = 'e7phfniz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA2  = 'e7pjdqvz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA3  = 'e7pjjf4z.evl'       / LDPNAME of nn'th processed LDP                 LDPNA4  = 'e7pjuokz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA5  = 'e7pk4csz.evl'       / LDPNAME of nn'th processed LDP                 HISTORY ApID(567) LDP(50862) Row 1 to 1360237                                   HISTORY ApID(567) LDP(51985) Row 1349896 to 2564886                             HISTORY ApID(567) LDP(52105) Row 2555485 to 4107227                             HISTORY ApID(567) LDP(52363) Row 4097413 to 5338271                             HISTORY ApID(567) LDP(52485) Row 5328451 to 6634414                             HISTORY No single packet ApIDs contributed.                                     HISTORY LDP(567,50862) File: swift_ldp_015fde01_0bd4_567_50862.ccsds            HISTORY     Product(50862) BAT Pages(7983) Found Pages(7983)                    HISTORY     Valid Pages(7983) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,51985) File: swift_ldp_015fde01_0bd4_567_51985.ccsds            HISTORY     Product(51985) BAT Pages(7333) Found Pages(7333)                    HISTORY     Valid Pages(7333) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,52105) File: swift_ldp_015fde01_0bd4_567_52105.ccsds            HISTORY     Product(52105) BAT Pages(8784) Found Pages(8784)                    HISTORY     Valid Pages(8784) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,52363) File: swift_ldp_015fde01_0bd4_567_52363.ccsds            HISTORY     Product(52363) BAT Pages(7462) Found Pages(7462)                    HISTORY     Valid Pages(7462) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,52485) File: swift_ldp_015fde01_0bd4_567_52485.ccsds            HISTORY     Product(52485) BAT Pages(7748) Found Pages(7748)                    HISTORY     Valid Pages(7748) Simulated Pages (0) Missing Pages(0)              HISTORY TASK: FMEMSORT on FILENAME: sw00090078001bevshto_uf.evt[EVENTS]         HISTORY fmemsort4.1 at 2009-04-23T13:44:41                                      GAINMETH= 'FIXEDDAC'           / Cubic ground gain/offset correction using DAC-bHISTORY                                                                         HISTORY START PARAMETER list for bateconvert_4.3 at 2009-04-23T13:52:01         HISTORY                                                                         HISTORY P1 infile = sw00090078001bevshsp_uf.evt                                 HISTORY P2 calfile = sw00349447000bcbo0b9ag0456_01.fits                         HISTORY P3 residfile = CALDB                                                    HISTORY P4 pulserfile = CALDB                                                   HISTORY P5 fltpulserfile = CALDB                                                HISTORY P6 outfile = NONE                                                       HISTORY P7 calmode = INDEF                                                      HISTORY P8 zeroit = no                                                          HISTORY P9 scaled_energy = yes                                                  HISTORY P10 clobber = yes                                                       HISTORY P11 chatter = 3                                                         HISTORY P12 history = yes                                                       HISTORY P13 mode = hl                                                           HISTORY END PARAMETER list for bateconvert_4.3                                  HISTORY                                                                         TIMEZERO= 0.000000000000000E+00 / Time Zero                                     OBJECT  = 'PDS456  '           / Object name                                    MJD-OBS = 5.493857244425926E+04 / MJD of data start time                        USER    = 'apsop   '           / User name of creator                           NPIXSOU =     4.9478000000E+04 / Number of pixels in selected region            PROCVER = '3.12.9  '           / Processing script version                      SOFTVER = 'Hea_19Sep2007_V6.3.2_Swift_Rel2.7.2(Bld21.2)_19Sep2007' / HEASOFT andCALDBVER= 'b20070924_u20071106_x20071101_m20071023' / CALDB index versions used SEQPNUM =                   12 / Number of times the dataset processed          RA_OBJ  =          262.0820833 / [deg] R.A. Object                              DEC_OBJ =         -14.26561111 / [deg] Dec Object                               RA_PNT  =     262.086756572972 / [deg] RA pointing                              DEC_PNT =    -14.2584533334603 / [deg] Dec pointing                             PA_PNT  =     80.9015505579048 / [deg] Position angle (roll)                    CATSRC  =                    F                                                  ATTFLAG = '100     '           / Orgin of attitude information                  UTCFINIT=    -4.66662000000000 / [s] UTCF at TSTART                             BCALFILE= 'sw00090078001bgocb.hk.gz' / BAT total linear gain/offset file name   BRESFILE= 'swbquadres20030304v003.fits' / BAT Residual from linear gain file namBPULFILE= 'swbpulsecal20080601v001.fits' / BAT Ground Pulser DAC to keV file namBFLTFILE= 'swbpulseflt20040101v001.fits' / BAT Flight Pulser DAC to keV file namHISTORY                                                                         HISTORY START PARAMETER list for bateconvert_6.3 at 2014-11-11T13:47:38         HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/GRB090418B/00090078001/bat/event/sw00090078001bevshsl_uf.evt    HISTORY P2 calfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB090418B/00090078001/bat/hk/sw00090078001bgocb.hk.gz         HISTORY P3 residfile = CALDB                                                    HISTORY P4 pulserfile = CALDB                                                   HISTORY P5 fltpulserfile = CALDB                                                HISTORY P6 outfile = NONE                                                       HISTORY P7 calmode = FIXEDDAC                                                   HISTORY P8 zeroit = NO                                                          HISTORY P9 scaled_energy = YES                                                  HISTORY P10 clobber = NO                                                        HISTORY P11 chatter = 2                                                         HISTORY P12 history = YES                                                       HISTORY P13 mode = ql                                                           HISTORY END PARAMETER list for bateconvert_6.3                                  HISTORY                                                                         HISTORY CFITSIO used the following filtering expression to create this table:   HISTORY /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0904HISTORY 18B/00090078001/bat/event/sw00090078001bevshsl_uf.evt[EVENTS][gtifilter(HISTORY "/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB090HISTORY 418B/00090078001-results/events/sw00090078001b_all.evt-totgti.gti",TIME)HISTORY ]                                                                       HISTORY                                                                         HISTORY START PARAMETER list for ftmerge_2.20 at 2014-11-11T13:47:40            HISTORY                                                                         HISTORY P1 (infile = @/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P1 reproc/GRB090418B/00090078001-results/events/sw00090078001b_all.evt-eHISTORY P1 ts.lis)                                                              HISTORY                                                                         HISTORY START FILE listing: sw00090078001b_all.evt-events.lis                   HISTORY                                                                         HISTORY F1 /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0HISTORY F1 90418B/00090078001/bat/event/sw00090078001bevshsl_uf.evt[EVENTS][gtifHISTORY F1 er("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/HISTORY F1 090418B/00090078001-results/events/sw00090078001b_all.evt-totgti.gti"HISTORY F1 ME)]                                                                 HISTORY END FILE listing: sw00090078001b_all.evt-events.lis                     HISTORY                                                                         HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB090418B/00090078001-results/events/sw00090078001b_all.evt   HISTORY P3 columns = *                                                          HISTORY P4 insertrow = 0                                                        HISTORY P5 lastkey =                                                            HISTORY P6 copyall = YES                                                        HISTORY P7 skipbadfiles = NO                                                    HISTORY P8 clobber = YES                                                        HISTORY P9 chatter = 1                                                          HISTORY P10 history = YES                                                       HISTORY P11 mode = ql                                                           HISTORY END PARAMETER list for ftmerge_2.20                                     HISTORY                                                                         FILIN001= '/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB'TRIGTIME=        261738025.849 / [s] MET Trigger Time                           BATCREAT= 'batmaskwtevt 1.22'  / BAT Program that modified this FITS file       MASKBATX=                   0. / [cm] Center of mask tile plane in BAT_X        MASKBATY=                   0. / [cm] Center of mask tile plane in BAT_Y        MASKBATZ=                100.3 / [cm] Top of mask tile plane in BAT_Z           MASKOFFX=               -0.145 / [cm] Offset of mask in BAT_X                   MASKOFFY=                0.114 / [cm] Offset of mask in BAT_Y                   MASKOFFZ=                 0.05 / [cm] Offset of mask in BAT_Z                   MASKX0  =              -124.25 / [cm] Position of mask corner in BAT_X          MASKY0  =               -63.25 / [cm] Position of mask corner in BAT_Y          MASKPSI0=                   0. / [deg] Mask Euler rotation about X-axis         MASKPSI1=                   0. / [deg] Mask Euler rotation about Y-axis         MASKPSI2=                   0. / [deg] Mask Euler rotation about Z-axis         MASKCELX=                  0.5 / [cm] Size of mask cell in BAT_X                MASKCELY=                  0.5 / [cm] Size of mask cell in BAT_Y                MASKCELZ=                  0.1 / [cm] Size of mask cell in BAT_Z                DETBATX =                   0. / [cm] Center of detector plane in BAT_X         DETBATY =                   0. / [cm] Center of detector plane in BAT_Y         DETBATZ =                 0.35 / [cm] Top of detector plane in BAT_Z            DETOFFX =                   0. / [cm] Offset of detector plane in BAT_X         DETOFFY =                   0. / [cm] Offset of detector plane in BAT_Y         DETOFFZ =                   0. / [cm] Offset of detector plane in BAT_Z         DETCELX =                 0.42 / [cm] Size of detector pitch cell in BAT_X      DETCELY =                 0.42 / [cm] Size of detector pitch cell in BAT_Y      DETCELZ =                  0.2 / [cm] Size of detector pitch cell in BAT_Z      DETSIZEX=                  0.4 / [cm] Size of detector in BAT_X                 DETSIZEY=                  0.4 / [cm] Size of detector in BAT_Y                 DETSIZEZ=                  0.2 / [cm] Size of detector in BAT_Z                 BAT_RA  =               225.91 / [deg] Right ascension of source                BAT_DEC =               17.224 / [deg] Declination of source                    COORTYPE= 'sky     '           / Type of coordinates specified for weighting    FFAPP   =                    T / Projection correction applied?                 NFAPP   =                    F / Near-field correction applied? ~(COS+RSQ)      PCODEAPP=                    T / Partial coding correction applied?             NGPIXAPP=                    T / Normalized by number of detectors?             MSKWTAPP=                    T / Correction for mask weight technique applied?  BDISTAPP=                    F /  BAT image corrected for distortions?          APERTURE= 'swbaperflux20041120v001.fits' / BAT aperture file name               BTELDEF = 'swb20070911v001.teldef' / BAT teldef file name                       HDUCLAS2= 'EBOUNDS '           / Spectrum is background subtracted              RMFVERSN= '1992a   '           / Version of EBOUNDS format (OBSOLETE)           HDUVERS = '1.2.0   '           / Version of EBOUNDS header                      HDUVERS1= '1.0.0   '           / Version of EBOUNDS header                      HDUVERS2= '1.1.0   '           / Version of EBOUNDS header                      DETCHANS=                   80 / Total number of detector channels available    CHANTYPE= 'PI      '           / Pulse height channel type                      PHAFILE = '/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB'HISTORY                                                                         HISTORY START PARAMETER list for batbinevt_1.48 at 2016-01-10T18:06:12          HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/GRB090418B/00090078001-results/events/sw00090078001b_all.evt    HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB090418B/remake_spec_cflux/spec_T100/sw00090078001b_4.pha    HISTORY P3 outtype = PHA                                                        HISTORY P4 timedel = 0                                                          HISTORY P5 timebinalg = u                                                       HISTORY P6 energybins = CALDB:80                                                HISTORY P7 gtifile = NONE                                                       HISTORY P8 ecol = ENERGY                                                        HISTORY P9 weighted = YES                                                       HISTORY P10 outunits = RATE                                                     HISTORY P11 timepixr = -1.0                                                     HISTORY P12 maskwt = NONE                                                       HISTORY P13 tstart = 261737980.0                                                HISTORY P14 tstop = 261737985.0                                                 HISTORY P15 snrthresh = 6.0                                                     HISTORY P16 detmask = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P16 reproc/GRB090418B/00090078001-results/auxil/sw00090078001b_qmap.fitsHISTORY P17 tcol = TIME                                                         HISTORY P18 countscol = DPH_COUNTS                                              HISTORY P19 xcol = DETX                                                         HISTORY P20 ycol = DETY                                                         HISTORY P21 maskwtcol = MASK_WEIGHT                                             HISTORY P22 ebinquant = 0.1                                                     HISTORY P23 delzeroes = NO                                                      HISTORY P24 minfracexp = 0.1                                                    HISTORY P25 min_dph_frac_overlap = .999                                         HISTORY P26 min_dph_time_overlap = 0                                            HISTORY P27 max_dph_time_nonoverlap = 0.5                                       HISTORY P28 buffersize = 16384                                                  HISTORY P29 clobber = yes                                                       HISTORY P30 chatter = 2                                                         HISTORY P31 history = YES                                                       HISTORY P32 mode = ql                                                           HISTORY END PARAMETER list for batbinevt_1.48                                   HISTORY                                                                         END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             A 
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B��B33B33B33B33B!��B!��B*B*B2ffB2ffB;33B;33BC��BC��BLffBLffBT��BT��B]��B]��BfffBfffBo33Bo33BxBxB�ffB�ffB���B���B�ffB�ffB���B���B�ffB�ffB��� B���B�ff!B�ffB�"B�B���#B���B�33$B�33B�%B�B���&B���B�ff'B�ffB�(B�B���)B���Bř�*Bř�B�ff+B�ffB�33,B�33B�-B�B���.B���B���/B���B♚0B♚B癚1B癚B�ff2B�ffB�ff3B�ffB�ff4B�ffB�ff5B�ffCL�6CL�C��7C��CL�8CL�C�f9C�fC
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C��<C��C33=C33C��>C��Cff?CffC�@C�C�3AC�3CffBCffC"CC"C$�3DC$�3C'ffEC'ffC*�FC*�C,��GC,��C/�HC/�C233IC233C5JC5C7�3KC7�3C:�LC:�C=L�MC=L�C@�NC@�CB�fOCB�fE���XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                   16 / 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 =                    2 / number of fields in each row                   TTYPE1  = 'START   '           / GTI start time                                 TFORM1  = 'D       '           / data format of field: 8-byte DOUBLE            TUNIT1  = 's       '           / physical unit of field                         TTYPE2  = 'STOP    '           / GTI stop  time                                 TFORM2  = 'D       '           / data format of field: 8-byte DOUBLE            TUNIT2  = 's       '           / physical unit of field                         EXTNAME = 'STDGTI  '           / name of this binary table extension            HDUCLASS= 'OGIP    '           / Conforms to OGIP/GSFC standards                HDUCLAS1= 'GTI     '           / Contains good time intervals                   HDUCLAS2= 'STANDARD'           / Contains standard good time intervals          HDUVERS = '1.0.0   '           / Version of GTI header                          TIMEZERO=                   0. / Zero-point offset for TIME column              MJDREF  = 0.000000000000000E+00 / MJD Epoch of TIME = 0                         TSTART  =           261737980. / Start time of GTI                              TSTOP   =           261737985. / Stop  time of GTI                              GAINAPP =                    T / Gain correction has been applied               TIMESYS = 'TT      '           / time measured from                             TIMEREF = 'LOCAL   '           / reference time                                 TASSIGN = 'SATELLITE'          / Time assigned by clock                         TIMEUNIT= 's       '           / unit for time keywords                         TIERRELA=               1.0E-8 / [s/s] relative errors expressed as rate        TIERABSO=                  1.0 / [s] timing  precision  in seconds              DATE-OBS= '2009-04-17T13:43:14' / Start date of observations                    DATE-END= '2009-04-18T13:50:12' / End date of observations                      CLOCKAPP=                    F / default                                        EXPOSURE=                   5. / [s] Total exposure, with known corrections     DEADC   =                   1. / dead time correction                           TIMEPIXR= 0.0                  / Bin time beginning=0 middle=0.5 end=1          TIMEDEL = 100.0E-6             / [s] time resolution of data                    TELESCOP= 'SWIFT   '           /  Telescope (mission) name                      INSTRUME= 'BAT     '           /  Instrument name                               DATAMODE= 'Event   '           / Datamode                                       OBS_ID  = '00090078001'        / Observation ID                                 TARG_ID =                90078 / Target ID                                      SEG_NUM =                    1 / Segment number                                 EQUINOX =            2.000E+03 / Equinox of celestial coord system              RADECSYS= 'FK5     '           / celestial coord system                         OBS_MODE= 'SLEW    '                                                            ORIGIN  = 'NASA/GSFC'          / origin of fits file                            CREATOR = 'batbinevt 1.48'     / Program that created this FITS file            TLM2FITS= 'V7.13'               / Telemetry converter version number            DATE    = '2009-04-23T13:55:27' / file creation date (YYYY-MM-DDThh:mm:ss UT)   LDPEBINS=                    0 / LDP Energy Bin count                           LDPTYPE =                   11 / LDP Type Code                                  LDPGAIN =                1110. / LDP Gain Index                                 LDPOFFST=                2970. / LDP Offset Index                               LDPNA1  = 'e7phfniz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA2  = 'e7pjdqvz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA3  = 'e7pjjf4z.evl'       / LDPNAME of nn'th processed LDP                 LDPNA4  = 'e7pjuokz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA5  = 'e7pk4csz.evl'       / LDPNAME of nn'th processed LDP                 HISTORY                                                                         GAINMETH= 'FIXEDDAC'           / Cubic ground gain/offset correction using DAC-bOBJECT  = 'PDS456  '           / Object name                                    MJD-OBS = 5.493857244425926E+04 / MJD of data start time                        USER    = 'apsop   '           / User name of creator                           NPIXSOU =     4.9478000000E+04 / Number of pixels in selected region            PROCVER = '3.12.9  '           / Processing script version                      SOFTVER = 'Hea_19Sep2007_V6.3.2_Swift_Rel2.7.2(Bld21.2)_19Sep2007' / HEASOFT andCALDBVER= 'b20070924_u20071106_x20071101_m20071023' / CALDB index versions used SEQPNUM =                   12 / Number of times the dataset processed          RA_OBJ  =          262.0820833 / [deg] R.A. Object                              DEC_OBJ =         -14.26561111 / [deg] Dec Object                               RA_PNT  =     262.086756572972 / [deg] RA pointing                              DEC_PNT =    -14.2584533334603 / [deg] Dec pointing                             PA_PNT  =     80.9015505579048 / [deg] Position angle (roll)                    CATSRC  =                    F                                                  ATTFLAG = '100     '           / Orgin of attitude information                  UTCFINIT=    -4.66662000000000 / [s] UTCF at TSTART                             BCALFILE= 'sw00090078001bgocb.hk.gz' / BAT total linear gain/offset file name   BRESFILE= 'swbquadres20030304v003.fits' / BAT Residual from linear gain file namBPULFILE= 'swbpulsecal20080601v001.fits' / BAT Ground Pulser DAC to keV file namBFLTFILE= 'swbpulseflt20040101v001.fits' / BAT Flight Pulser DAC to keV file namFILIN001= '/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB'TRIGTIME=        261738025.849 / [s] MET Trigger Time                           BATCREAT= 'batmaskwtevt 1.22'  / BAT Program that modified this FITS file       MASKBATX=                   0. / [cm] Center of mask tile plane in BAT_X        MASKBATY=                   0. / [cm] Center of mask tile plane in BAT_Y        MASKBATZ=                100.3 / [cm] Top of mask tile plane in BAT_Z           MASKOFFX=               -0.145 / [cm] Offset of mask in BAT_X                   MASKOFFY=                0.114 / [cm] Offset of mask in BAT_Y                   MASKOFFZ=                 0.05 / [cm] Offset of mask in BAT_Z                   MASKX0  =              -124.25 / [cm] Position of mask corner in BAT_X          MASKY0  =               -63.25 / [cm] Position of mask corner in BAT_Y          MASKPSI0=                   0. / [deg] Mask Euler rotation about X-axis         MASKPSI1=                   0. / [deg] Mask Euler rotation about Y-axis         MASKPSI2=                   0. / [deg] Mask Euler rotation about Z-axis         MASKCELX=                  0.5 / [cm] Size of mask cell in BAT_X                MASKCELY=                  0.5 / [cm] Size of mask cell in BAT_Y                MASKCELZ=                  0.1 / [cm] Size of mask cell in BAT_Z                DETBATX =                   0. / [cm] Center of detector plane in BAT_X         DETBATY =                   0. / [cm] Center of detector plane in BAT_Y         DETBATZ =                 0.35 / [cm] Top of detector plane in BAT_Z            DETOFFX =                   0. / [cm] Offset of detector plane in BAT_X         DETOFFY =                   0. / [cm] Offset of detector plane in BAT_Y         DETOFFZ =                   0. / [cm] Offset of detector plane in BAT_Z         DETCELX =                 0.42 / [cm] Size of detector pitch cell in BAT_X      DETCELY =                 0.42 / [cm] Size of detector pitch cell in BAT_Y      DETCELZ =                  0.2 / [cm] Size of detector pitch cell in BAT_Z      DETSIZEX=                  0.4 / [cm] Size of detector in BAT_X                 DETSIZEY=                  0.4 / [cm] Size of detector in BAT_Y                 DETSIZEZ=                  0.2 / [cm] Size of detector in BAT_Z                 BAT_RA  =               225.91 / [deg] Right ascension of source                BAT_DEC =               17.224 / [deg] Declination of source                    COORTYPE= 'sky     '           / Type of coordinates specified for weighting    FFAPP   =                    T / Projection correction applied?                 NFAPP   =                    F / Near-field correction applied? ~(COS+RSQ)      PCODEAPP=                    T / Partial coding correction applied?             NGPIXAPP=                    T / Normalized by number of detectors?             MSKWTAPP=                    T / Correction for mask weight technique applied?  BDISTAPP=                    F /  BAT image corrected for distortions?          APERTURE= 'swbaperflux20041120v001.fits' / BAT aperture file name               BTELDEF = 'swb20070911v001.teldef' / BAT teldef file name                       END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             A�3��A�3�