SIMPLE = T / file does conform to FITS standard BITPIX = 16 / 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 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 = 20 / 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 = 5.191000074287037E+04 / MJD Epoch of TIME = 0 TSTART = 449790631. / Start time of GTI TSTOP = 449791833.1 / Stop time of GTI T90DUR = 37.2959999442101 / [s] Burst T90 duration measure T90ERR = 11.7165546057665 / [s] Crude T90DUR error estimate T50DUR = 8.90399992465973 / [s] Burst T50 duration measure T50ERR = 0.515875925006412 / [s] Crude T50DUR error estimate TPEAK = 449790876.512 / [s] MET center of peak interval (GTI_PEAK) TBKG1 = 449790709.03 / [s] MET center of first background interval BKGRATE1= 0.003456683524268 / [count/s] Estimated background rate (1st) TBKG2 = 449791424.34 / [s] MET center of second background interval BKGRATE2= 0.0025600156851789 / [count/s] Estimated background rate (2nd) TOTDUR = 228.519999980927 / [s] Duration of GRB (for data selection) TOTSTART= 449790787.06 / [s] Start of GRB (for data selection) TOTSTOP = 449791015.58 / [s] Stop of GRB (for data selection) BACKAPP = T / Background subtraction applied? CNTFLU = 23.5227239463609 / [count] Total counts fluence HISTORY HISTORY START PARAMETER list for battblocks_1.18 at 2015-05-05T21:35:00 HISTORY HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/trigger637044/00637044000-results/lc/sw00637044000b_bb_4ms.lc HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/trigger637044/00637044000-results/gti/sw00637044000b_bb_4ms.gtiHISTORY P3 durfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P3 eproc/trigger637044/00637044000-results/gti/sw00637044000b_bbdur_4ms.HISTORY P3 HISTORY P4 nspill = 128 HISTORY P5 timedel = 100e-6 HISTORY P6 ncp_prior = 6.0 HISTORY P7 gaussian = INDEF HISTORY P8 txx = 0 HISTORY P9 tlookback = 10 HISTORY P10 tpeak = 1 HISTORY P11 bkgsub = YES HISTORY P12 burst_tstart = INDEF HISTORY P13 burst_tstop = INDEF HISTORY P14 coalescefrac = 0.05 HISTORY P15 timecol = TIME HISTORY P16 countscol = RATE HISTORY P17 errcol = ERROR HISTORY P18 expocol = INDEF HISTORY P19 hduclas3 = RATE HISTORY P20 durerrmeth = TOTVAR HISTORY P21 diagfile = NONE HISTORY P22 breakfile = NONE HISTORY P23 global_tstart = INDEF HISTORY P24 global_tstop = INDEF HISTORY P25 clobber = yes HISTORY P26 chatter = 2 HISTORY P27 history = YES HISTORY P28 mode = ql HISTORY END PARAMETER list for battblocks_1.18 HISTORY END ABACC\)ACC\)ACACACACAC?}AC?}AC/AC/AC.{AC.{ACj~ACj~ACzACzAC!AC!ACGACGACDACDACH9ACH9AC8QAC8QAC0 AC0 AC OAC OAC7KAC7KAC CAC CACϡACϡAD'zAD'zAGY