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  = '00357811000'        / Observation number ID                          TARG_ID = '357811'             / Target_ID value                                SEG_NUM = '0'                  / Observation segment value                      TIMESYS = 'TT      '           / Time system                                    MJDREFI =               51910. / Reference MJD Integer part                     MJDREFF =         7.4287037E-4 / Reference MJD fractional                       CLOCKAPP=                    F / default                                        TIMEUNIT= 's       '           / Time unit                                      TSTART  =           269764689. / Start time                                     TSTOP   =       269764699.0562 / Stop time                                      DATE-OBS= '2009-07-20T06:38:09.000' / Date and time of observation start        DATE-END= '2009-07-20T06:38:19.056' / Date and time of observation stop         ORIGIN  = 'GSFC'               / Source of FITS file                            CREATOR = 'BAT2FITS V7.9.1'    / Program that created this FITS file            TLM2FITS= 'V7.9.1'               / Telemetry converter version number           DATE    = '2009-07-20T11:43:10' / file creation date (YYYY-MM-DDThh:mm:ss UT)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     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 rows in table                        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 system                                    MJDREFI =               51910. / Reference MJD Integer part                     MJDREFF =         7.4287037E-4 / Reference MJD fractional                       TIMEREF = 'LOCAL   '           / Time reference (barycenter/local)              TASSIGN = 'SATELLITE'          / Time assigned by clock                         TIMEUNIT= 's       '           / Time unit                                      TIERRELA= 1.E-8                / [s/s] Estimated relative clock rate error      TIERABSO= 1.                   / [s] Estimated absolute clock offset error      TSTART  =                    0                                                  TSTOP   =                    0                                                  DATE-OBS= '2009-07-20T06:38:09.000' / Date and time of observation start        DATE-END= '2009-07-20T06:38:19.056' / Date and time of observation stop         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   '           / Instrument operating mode                      OBS_ID  = '00357811000'        / Observation number ID                          TARG_ID = '357811'             / Target_ID value                                SEG_NUM = '0'                  / Observation segment value                      EQUINOX = 2000.                / default                                        RADECSYS= 'FK5'                / default                                        OBS_MODE= 'SLEW_POINTING'      / default                                        ORIGIN  = 'GSFC'               / Source of FITS file                            CREATOR = 'bateconvert 6.3'    / Program that created this FITS file            TLM2FITS= 'V7.9.1'               / Telemetry converter version number           DATE    = '2009-07-20T11:43:10' / file creation date (YYYY-MM-DDThh:mm:ss UT)   LDPEBINS=                    0 / LDP Energy Bin count                           LDPTYPE =                   11 / LDP Type Code                                  LDPGAIN =                1620. / LDP Gain Index                                 LDPOFFST=                4368. / LDP Offset Index                               LDPNA1  = 'e818i2gz.evl'       / LDPNAME of nn'th processed LDP                 HISTORY ApID(567) LDP(1929) Row 1 to 110441                                     HISTORY No single packet ApIDs contributed.                                     HISTORY LDP(567,1929) File: ../preparchive/ppackets_OK.arch.0002                HISTORY     Product(1929) BAT Pages(667) Found Pages(667)                       HISTORY     Valid Pages(667) Simulated Pages (0) Missing Pages(0)               HISTORY CFITSIO used the following filtering expression to create this table:   HISTORY /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/paHISTORY ss_data/GRB090720A_trigger357811/pass_combine/fits/sw00357811000bevshto_HISTORY uf.evt.gz[EVENTS][gtifilter("/local/data/bat1/alien/Swift_3rdBATcatalog/HISTORY event/batevent_reproc/trigger357811/00357811000/sw00357811000bevshto.evtHISTORY -totgti.gti",TIME)]                                                     HISTORY                                                                         HISTORY START PARAMETER list for ftmerge_2.20 at 2014-10-23T04:57:07            HISTORY                                                                         HISTORY P1 (infile = @/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P1 reproc/trigger357811/00357811000/sw00357811000bevshto.evt-events.lis)HISTORY                                                                         HISTORY START FILE listing: sw00357811000bevshto.evt-events.lis                 HISTORY                                                                         HISTORY F1 /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_burstsHISTORY F1 /pass_data/GRB090720A_trigger357811/pass_combine/fits/sw00357811000beHISTORY F1 to_uf.evt.gz[EVENTS][gtifilter("/local/data/bat1/alien/Swift_3rdBATcaHISTORY F1 og/event/batevent_reproc/trigger357811/00357811000/sw00357811000bevshHISTORY F1 evt-totgti.gti",TIME)]                                               HISTORY END FILE listing: sw00357811000bevshto.evt-events.lis                   HISTORY                                                                         HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/trigger357811/00357811000/sw00357811000bevshto.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 = 5                                                          HISTORY P10 history = YES                                                       HISTORY P11 mode = ql                                                           HISTORY END PARAMETER list for ftmerge_2.20                                     HISTORY                                                                         HIERARCH _uf.evt.gz'= '/local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_'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  =                    0 / Minimum legal value                            TLMAX8  =                 5000 / Maximum legal value                            TNULL8  =               -32768 / data null value                                TUNIT9  = 'keV     '           / physical unit of field                         TNULL9  =               -32768 / data null value                                TSCAL9  =                  0.1 / data scaling                                   GAINMETH= 'FIXEDDAC'           / Cubic ground gain/offset correction using DAC-bBCALFILE= 'sw00357811000bcbo0391g0160.fits.gz' / BAT total linear gain/offset fiBRESFILE= '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 2014-10-23T04:57:08         HISTORY                                                                         HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/trigger357811/00357811000/bat/event/sw00357811000bevshto.evt    HISTORY P2 calfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/trigger357811/00357811000/bat/hk/sw00357811000bcbo0391g0160.fitHISTORY P2 z                                                                    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/triggerHISTORY 357811/00357811000/bat/event/sw00357811000bevshto.evt[EVENTS][gtifilter(HISTORY "/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/triggeHISTORY r357811/00357811000-results/events/sw00357811000b_all.evt-totgti.gti",TIHISTORY ME)]                                                                    HISTORY                                                                         HISTORY START PARAMETER list for ftmerge_2.20 at 2015-04-13T05:31:00            HISTORY                                                                         HISTORY P1 (infile = @/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P1 reproc/trigger357811/00357811000-results/events/sw00357811000b_all.evHISTORY P1 vents.lis)                                                           HISTORY                                                                         HISTORY START FILE listing: sw00357811000b_all.evt-events.lis                   HISTORY                                                                         HISTORY F1 /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigHISTORY F1 ger357811/00357811000/bat/event/sw00357811000bevshto.evt[EVENTS][gtifHISTORY F1 er("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/HISTORY F1 gger357811/00357811000-results/events/sw00357811000b_all.evt-totgti.gHISTORY F1 ,TIME)]                                                              HISTORY END FILE listing: sw00357811000b_all.evt-events.lis                     HISTORY                                                                         HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/trigger357811/00357811000-results/events/sw00357811000b_all.evtHISTORY 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                                                                         TRIGTIME=        269764692.352 / [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  =              203.702 / [deg] Right ascension of source                BAT_DEC =              -10.339 / [deg] Declination of source                    BAT_XOBJ=     16059044.0600661 / [cm] Position of source in BAT_X               BAT_YOBJ=    -1462604.68075881 / [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 =   0.0173400454223156 / Partial coding fraction of target              NGPIXAPP=                    T / Normalized by number of detectors?             NGOODPIX=                23241 / Number of enabled detectors                    MSKWTSQF=     1.77011345021611 / Half-variance of mask weight map               MSKWTAPP=                    T / Correction for mask weight technique applied?  BDISTAPP=                    F /  BAT image corrected for distortions?          TDMIN5  =                   0. / Minimum column data value                      TDMAX5  =                   0. / 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/triggerHISTORY 357811/00357811000-results/events/sw00357811000b_all.evt[EVENTS][gtifiltHISTORY er("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/triHISTORY gger357811/00357811000-results/events/sw00357811000b_postslew.evt-totgtiHISTORY .gti",TIME)]                                                            HISTORY                                                                         HISTORY START PARAMETER list for ftmerge_2.20 at 2015-04-13T05:31:02            HISTORY                                                                         HISTORY P1 (infile = @/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P1 reproc/trigger357811/00357811000-results/events/sw00357811000b_postslHISTORY P1 evt-events.lis)                                                      HISTORY                                                                         HISTORY START FILE listing: sw00357811000b_postslew.evt-events.lis              HISTORY                                                                         HISTORY F1 /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigHISTORY F1 ger357811/00357811000-results/events/sw00357811000b_all.evt[EVENTS][gHISTORY F1 ilter("/local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reprHISTORY F1 trigger357811/00357811000-results/events/sw00357811000b_postslew.evt-HISTORY F1 gti.gti",TIME)]                                                      HISTORY END FILE listing: sw00357811000b_postslew.evt-events.lis                HISTORY                                                                         HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/trigger357811/00357811000-results/events/sw00357811000b_postsleHISTORY P2 vt                                                                   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/tri'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/triggerHISTORY 357811/0                                                                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= 'HG8OHF5OHF5OHF5O'   / HDU checksum updated 2015-04-13T05:31:02       DATASUM = '         0'         / data unit checksum updated 2015-04-13T05:31:02 TSTART  =                    0                                                  TSTOP   =                    0                                                  ONTIME  =                    0                                                  EXPOSURE=                    0                                                  TELAPSE =                    0                                                  LIVETIME=                    0                                                  END