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  = '00090053089'        / Observation ID                                 TARG_ID =                90053 / Target ID                                      SEG_NUM =                   89 / 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  = 2.506809398006000E+08 / time start                                    TSTOP   = 2.506867900815000E+08 / time stop                                     DATE-OBS= '2008-12-11T06:15:13' / Start date of observations                    DATE-END= '2008-12-11T11:13:09' / End date of observations                      ORIGIN  = 'NASA/GSFC'          / origin of fits file                            CREATOR = 'extractor v4.78'    / Extractor                                      TLM2FITS= 'V7.13'               / Telemetry converter version number            DATE    = '2008-12-17T08:22:34' / file creation date (YYYY-MM-DDThh:mm:ss UT)   NEVENTS =               788266 / Number of events                               DATAMODE= 'Event   '           / Datamode                                       OBJECT  = 'NGC4395 '           / Object name                                    ONTIME  = 8.196184000372887E+01 / On-source time                                EXPOSURE= 8.196184000372887E+01 / Exposure time                                 LIVETIME= 8.196184000372887E+01 / On-source time                                TELAPSE = 5.850280900001526E+03 / elapsed time                                  MJD-OBS = 5.481140050908102E+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= 'sw00090053089bevshsp_uf.evt' / Input file name                       TIMEZERO= 0.000000000000000E+00 / Time Zero                                     CHECKSUM= '96GAI6F196F8G6F8'   / HDU checksum updated 2008-12-17T08:33:18       DATASUM = '         0'         / data unit checksum updated 2008-12-17T08:22:34 PROCVER = '3.12.4  '           / 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 =                    7 / Number of times the dataset processed          RA_OBJ  =              186.454 / [deg] R.A. Object                              DEC_OBJ =              33.5467 / [deg] Dec Object                               RA_PNT  =      186.45394621105 / [deg] RA pointing                              DEC_PNT =      33.553253608225 / [deg] Dec pointing                             PA_PNT  =      112.99471311011 / [deg] Position angle (roll)                    CATSRC  =                    F                                                  ATTFLAG = '100     '           / Orgin of attitude information                  UTCFINIT=    -3.32510000000000 / [s] UTCF at TSTART                             END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                   25 / width of table in bytes                        NAXIS2  =                    0 / Number of events                               PCOUNT  =                    0 / size of special data area:                     GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    9 / number of fields in each row                   TTYPE1  = 'TIME    '           / Time of events                                 TFORM1  = '1D      '           / data format of field                           TUNIT1  = 's       '           / physical unit of field                         TTYPE2  = 'DET_ID  '           / Detector Channel, DM, Side and Block           TFORM2  = '1I      '           / data format of field                           TTYPE3  = 'EVENT_FLAGS'        / DM Event Flags                                 TFORM3  = '1B      '           / data format of field                           TTYPE4  = 'PHA     '           / Raw Pulse Height                               TFORM4  = '1I      '           / data format of field                           TUNIT4  = 'chan    '           / physical unit of field                         TLMIN4  = 0                    / minimum legal value in the column              TLMAX4  = 4095                 / maximum legal value in the column              TTYPE6  = 'DETX    '           / Event X position DET coordinates               TFORM6  = '1I      '           / data format of field                           TUNIT6  = 'pixel   '           / physical unit of field                         TLMIN6  = 0                    / minimum legal value in the column              TLMAX6  = 285                  / maximum legal value in the column              TTYPE7  = 'DETY    '           / Event Y position DET coordinates               TFORM7  = '1I      '           / data format of field                           TUNIT7  = 'pixel   '           / physical unit of field                         TLMIN7  = 0                    / minimum legal value in the column              TLMAX7  = 172                  / maximum legal value in the column              TCDLT6  = 1                    / WCS coordinate increment                       TCRPX6  = 0                    / WCS Reference point                            TCRVL6  = 0                    / WCS reference value                            TCDLT7  = 1                    / WCS coordinate increment                       TCRPX7  = 0                    / WCS Reference point                            TCRVL7  = 0                    / WCS reference value                            EXTNAME = 'EVENTS  '                                                            HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'EVENTS  '           / Event extension                                MTYPE1  = 'DET'                / DM keyword: description name                   MFORM1  = 'DETX, DETY'         / [pixel]                                        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  =                    0                                                  TSTOP   =                    0                                                  DATE-OBS= '2008-12-11T06:15:13' / Start date of observations                    DATE-END= '2008-12-11T11:13:09' / End date of observations                      CLOCKAPP=                    F / default                                        TELAPSE =                    0                                                  ONTIME  =                    0                                                  LIVETIME=                    0                                                  EXPOSURE=                    0                                                  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  = '00090053089'        / Observation ID                                 TARG_ID =                90053 / Target ID                                      SEG_NUM =                   89 / Segment number                                 EQUINOX =            2.000E+03 / Equinox of celestial coord system              RADECSYS= 'FK5     '           / celestial coord system                         OBS_MODE= 'POINTING'                                                            ORIGIN  = 'NASA/GSFC'          / origin of fits file                            CREATOR = 'bateconvert 6.3'    / Program that created this FITS file            TLM2FITS= 'V7.13'               / Telemetry converter version number            DATE    = '2008-12-17T08:22:34' / file creation date (YYYY-MM-DDThh:mm:ss UT)   LDPEBINS=                    0 / LDP Energy Bin count                           LDPTYPE =                   11 / LDP Type Code                                  LDPGAIN =                 415. / LDP Gain Index                                 LDPOFFST=                1070. / LDP Offset Index                               LDPNA1  = 'e7f1prhz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA2  = 'e7f25gkz.evl'       / LDPNAME of nn'th processed LDP                 LDPNA3  = 'e7f2b6dz.evl'       / LDPNAME of nn'th processed LDP                 HISTORY ApID(567) LDP(45845) Row 1 to 1139088                                   HISTORY ApID(567) LDP(46088) Row 1129859 to 2258444                             HISTORY ApID(567) LDP(46211) Row 2248562 to 3461674                             HISTORY No single packet ApIDs contributed.                                     HISTORY LDP(567,45845) File: swift_ldp_015fc559_0b55_567_45845.ccsds            HISTORY     Product(45845) BAT Pages(7009) Found Pages(7009)                    HISTORY     Valid Pages(7009) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,46088) File: swift_ldp_015fc559_0b55_567_46088.ccsds            HISTORY     Product(46088) BAT Pages(6964) Found Pages(6964)                    HISTORY     Valid Pages(6964) Simulated Pages (0) Missing Pages(0)              HISTORY LDP(567,46211) File: swift_ldp_015fc559_0b55_567_46211.ccsds            HISTORY     Product(46211) BAT Pages(7349) Found Pages(7349)                    HISTORY     Valid Pages(7349) Simulated Pages (0) Missing Pages(0)              HISTORY TASK: FMEMSORT on FILENAME: sw00090053089bevshto_uf.evt[EVENTS]         HISTORY fmemsort4.1 at 2008-12-17T08:19:30                                      TTYPE8  = 'PI      '           / Pulse Invariant                                TFORM8  = '1I      '           / format of field                                TTYPE9  = 'ENERGY  '           / Nominal Energy of event                        TFORM9  = '1I      '           / format of field                                TUNIT8  = 'chan    '           / physical unit of field                         TLMIN8  =               -16384 / Minimum legal value                            TLMAX8  =                16383 / Maximum legal value                            TUNIT9  = 'keV     '           / physical unit of field                         TSCAL9  =                  0.1 / data scaling                                   GAINMETH= 'FIXEDDAC'           / Cubic ground gain/offset correction using DAC-bHISTORY                                                                         HISTORY START PARAMETER list for bateconvert_4.3 at 2008-12-17T08:21:48         HISTORY                                                                         HISTORY P1 infile = sw00090053089bevshsp_uf.evt                                 HISTORY P2 calfile = sw00035701009bcbo042eg019f.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  = 'NGC4395 '           / Object name                                    MJD-OBS = 5.481140050908102E+04 / MJD of data start time                        USER    = 'apsop   '           / User name of creator                           NPIXSOU =     4.9478000000E+04 / Number of pixels in selected region            CHECKSUM= 'dqRQgnPNdnPNdnPN'   / HDU checksum updated 2008-12-17T08:33:18       DATASUM = '2217474852'         / data unit checksum updated 2008-12-17T08:22:34 PROCVER = '3.12.4  '           / 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 =                    7 / Number of times the dataset processed          RA_OBJ  =              186.454 / [deg] R.A. Object                              DEC_OBJ =              33.5467 / [deg] Dec Object                               RA_PNT  =      186.45394621105 / [deg] RA pointing                              DEC_PNT =      33.553253608225 / [deg] Dec pointing                             PA_PNT  =      112.99471311011 / [deg] Position angle (roll)                    CATSRC  =                    F                                                  ATTFLAG = '100     '           / Orgin of attitude information                  UTCFINIT=    -3.32510000000000 / [s] UTCF at TSTART                             TNULL9  =               -32768 / data null value                                BCALFILE= 'sw00090053089bgocb.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 2014-11-11T14:41:51         HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/GRB081211B/00090053089/bat/event/sw00090053089bevshpo_uf.evt    HISTORY P2 calfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB081211B/00090053089/bat/hk/sw00090053089bgocb.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/GRB0812HISTORY 11B/00090053089/bat/event/sw00090053089bevshpo_uf.evt[EVENTS][gtifilter(HISTORY "/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB081HISTORY 211B/00090053089-results/events/sw00090053089b_all.evt-totgti.gti",TIME)HISTORY ]                                                                       HISTORY                                                                         HISTORY START PARAMETER list for ftmerge_2.20 at 2014-11-11T14:41:53            HISTORY                                                                         HISTORY P1 (infile = @/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P1 reproc/GRB081211B/00090053089-results/events/sw00090053089b_all.evt-eHISTORY P1 ts.lis)                                                              HISTORY                                                                         HISTORY START FILE listing: sw00090053089b_all.evt-events.lis                   HISTORY                                                                         HISTORY F1 /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0HISTORY F1 81211B/00090053089/bat/event/sw00090053089bevshpo_uf.evt[EVENTS][gtifHISTORY F1 er("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/HISTORY F1 081211B/00090053089-results/events/sw00090053089b_all.evt-totgti.gti"HISTORY F1 ME)]                                                                 HISTORY F2 /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0HISTORY F2 81211B/00090053089/bat/event/sw00090053089bevshsl_uf.evt[EVENTS][gtifHISTORY F2 er("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/HISTORY F2 081211B/00090053089-results/events/sw00090053089b_all.evt-totgti.gti"HISTORY F2 ME)]                                                                 HISTORY END FILE listing: sw00090053089b_all.evt-events.lis                     HISTORY                                                                         HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB081211B/00090053089-results/events/sw00090053089b_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                                                                         FILIN002= '/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB'TRIGTIME=        250668905.325 / [s] MET Trigger Time                           TTYPE5  = 'MASK_WEIGHT'        / Ray-traced weighting factor                    TFORM5  = '1E      '           / format of field                                BATCREAT= 'batmaskwtevt 1.22'  / BAT Program that modified this FITS file       COMMENT ---------------------------------- BAT Mask Orientation                 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                COMMENT ---------------------------------- BAT Detector Orientation             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  =             168.2646 / [deg] Right ascension of source                BAT_DEC =                53.83 / [deg] Declination of source                    BAT_XOBJ=    -2880751.82574993 / [cm] Position of source in BAT_X               BAT_YOBJ=    -3400178.59914738 / [cm] Position of source in BAT_Y               BAT_ZOBJ=            10000000. / [cm] Position of source in BAT_Z               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 =    0.642001986503601 / Partial coding fraction of target              NGPIXAPP=                    T / Normalized by number of detectors?             NGOODPIX=                25475 / Number of enabled detectors                    MSKWTSQF=     1.00137260134413 / Half-variance of mask weight map               MSKWTAPP=                    T / Correction for mask weight technique applied?  BDISTAPP=                    F /  BAT image corrected for distortions?          TDMIN5  =         -0.004961268 / Minimum column data value                      TDMAX5  =          0.004689879 / Maximum column data value                      APERTURE= 'swbaperflux20041120v001.fits' / BAT aperture file name               BTELDEF = 'swb20070911v001.teldef' / BAT teldef file name                       HISTORY CFITSIO used the following filtering expression to create this table:   HISTORY /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0812HISTORY 11B/00090053089-results/events/sw00090053089b_all.evt[EVENTS][gtifilter(HISTORY "/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB081HISTORY 211B/00090053089-results/events/sw00090053089b_slew.evt-totgti.gti",TIMEHISTORY )]                                                                      HISTORY                                                                         HISTORY START PARAMETER list for ftmerge_2.20 at 2014-11-11T14:42:39            HISTORY                                                                         HISTORY P1 (infile = @/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P1 reproc/GRB081211B/00090053089-results/events/sw00090053089b_slew.evt-HISTORY P1 nts.lis)                                                             HISTORY                                                                         HISTORY START FILE listing: sw00090053089b_slew.evt-events.lis                  HISTORY                                                                         HISTORY F1 /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0HISTORY F1 81211B/00090053089-results/events/sw00090053089b_all.evt[EVENTS][gtifHISTORY F1 er("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/HISTORY F1 081211B/00090053089-results/events/sw00090053089b_slew.evt-totgti.gtiHISTORY F1 IME)]                                                                HISTORY END FILE listing: sw00090053089b_slew.evt-events.lis                    HISTORY                                                                         HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/GRB081211B/00090053089-results/events/sw00090053089b_slew.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'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  =                    0 / 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     '                                                            HISTORY TASK:MGTIME on files /local/data/bat1/alien/Swift_3rdBATcatalog/event/baHISTORY tevent_r                                                                HISTORY /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB0812HISTORY 11B/0009                                                                TIMEZERO=                  0.0 / offset to be applied to times given in the dataHDUCLASS= 'OGIP    '           / format conforms to OGIP/GSFC standards         HDUCLAS1= 'GTI     '           / Extension contains Good Time Intervals         HDUCLAS2= 'ALL     '                                                            CHECKSUM= 'aVNfaSMZaSMfaSMZ'   / HDU checksum updated 2014-11-11T14:42:39       DATASUM = '         0'         / data unit checksum updated 2014-11-11T14:42:39 TSTART  =                    0                                                  TSTOP   =                    0                                                  ONTIME  =                    0                                                  EXPOSURE=                    0                                                  TELAPSE =                    0                                                  LIVETIME=                    0                                                  END