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 = '03622812001' / Observation ID TARG_ID = 3622812 / 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 = 798114133. / Start time TSTOP = 798114133. / Stop time DATE-OBS= '2026-04-17T10:22:08' DATE-END= '2026-04-17T10:22:08' ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2026-04-27T13:04:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) SOFTVER = 'Hea_21Mar2024_V6.33.1_Swift_Rel5.8(Bld47)_30Jun2023_SDCpatch_2' CALDBVER= 'b20230607_u20240201_x20260327_m20260302' / CALDB index versions used PROCVER = '3.20.02 ' / Processing script version SEQPNUM = 4 / Number of times the dataset processed OBJECT = 'DragPointing22812' / Object name RA_OBJ = 191.98346107751 / [deg] R.A. Object DEC_OBJ = 67.4689705455152 / [deg] Dec Object RA_PNT = 191.98346107751 / [deg] RA pointing DEC_PNT = 67.4689705455152 / [deg] Dec pointing PA_PNT = 46.97716542408 / [deg] Position angle (roll) ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -37.5830600000000 / [s] UTCF at TSTART CHECKSUM= '9d7kAd4i3d4i9d4i' / HDU checksum updated 2026-04-27T13:06:01 DATASUM = ' 0' / data unit checksum updated 2026-04-27T13:06:01 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 396094 / 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 = 10 / number of fields in each row TTYPE1 = 'TIME ' / TIME associated with Gain Offsets TFORM1 = '1D ' / data format of field TUNIT1 = 's ' / physical unit of field TTYPE2 = 'EXPOSURE' / Net TIME associated with Gain Offsets TFORM2 = '1D ' / data format of field TUNIT2 = 's ' / physical unit of field TTYPE3 = 'GAIN ' / Detector Gain Values TFORM3 = '49478J ' / data format of field TUNIT3 = 'keV/chan' / physical unit of field TNULL3 = -1 / data null value TSCAL3 = 1.220703E-05 / data scaling TDIM3 = '(286,173)' / dimensionality of the array TTYPE4 = 'OFFSET ' / Detector Offset Values TFORM4 = '49478J ' / data format of field TUNIT4 = 'chan ' / physical unit of field TNULL4 = -1 / data null value TSCAL4 = 1.250000E-01 / data scaling TDIM4 = '(286,173)' / dimensionality of the array TTYPE5 = 'DATA_FLAGS' / Data Quality 0=OK, 1=Problem TFORM5 = '1I ' / data format of field TTYPE6 = 'LDPNAME ' / BAT File Name TFORM6 = '240A15 ' / data format of field TTYPE7 = 'BLOCK_MAP' / Block Bit Mask TFORM7 = '1I ' / data format of field TZERO7 = 32768 / data offset TTYPE8 = 'NUM_DETS' / Number of detectors TFORM8 = '1J ' / data format of field TTYPE9 = 'APID ' / Application process Identifier TFORM9 = '1I ' / data format of field TTYPE10 = 'LDP ' / LDP Product Number TFORM10 = '1J ' / data format of field 1CTYP3 = 'DETX' / 1CUNI3 = 'pixel' / 2CTYP3 = 'DETY' / 2CUNI3 = 'pixel' / 1CTYP4 = 'DETX' / 1CUNI4 = 'pixel' / 2CTYP4 = 'DETY' / 2CUNI4 = 'pixel' / EXTNAME = 'Gain_Offset_Map' / name of this binary table extension HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'TEMPORALDATA' / Time ordered data HDUCLAS2= 'COMBINED' / Housekeeping 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= 1.0E-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds TSTART = 798114133. / Start time TSTOP = 798114133. / Stop time DATE-OBS= '2026-04-17T10:22:08' DATE-END= '2026-04-17T10:22:08' CLOCKAPP= F / default TELAPSE = 0. / TSTOP - TSTART TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'BAT ' / Instrument name OBS_ID = '03622812001' / Observation ID TARG_ID = 3622812 / Target ID SEG_NUM = 1 / Segment number EQUINOX = 2000. / default RADECSYS= 'FK5' / default ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2026-04-27T13:04:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) RA_PNT = 191.98346107751 / [deg] RA pointing DEC_PNT = 67.4689705455152 / [deg] Dec pointing PA_PNT = 46.97716542408 / [deg] Position angle (roll) SLDPMET = 798114133 / Start LDP Mission Elapsed Time seconds SLDPMETU= 0 / Start LDP Mission Elapsed Time Useconds ELDPMET = 798114133 / End LDP Mission Elapsed Time seconds ELDPMETU= 0 / Start LDP Mission Elapsed Time Useconds SLDPUTCS= 0 / Start LDP UTC Correction in Seconds SLDPUTCU= 0 / Start LDP UTC Correction in Useconds ELDPUTCS= 0 / End LDP UTC Correction in Seconds ELDPUTCU= 0 / End LDP UTC Correction in Useconds LDPSIZE = 196 / Length of LDP Header LDPEBINS= 0 / LDP Energy Bin count LDPTYPE = 18 / LDP Type Code LDPGAIN = 274. / LDP Gain Index LDPOFFST= 1322. / LDP Offset Index LDPFPRI = 3 / LDP File Priority LDPBLOCK= 'FFFF ' / LDP Block ID LDPDETS = 32768 / LDP Detector count OFFINDEX= 1322 / Offset Index OFFPULSE= 1000 / Offset Pulser OFFSTART= 797268181 / Offset start OFFEND = 797268190 / Offset end GAININD = 274 / Gain index GAINPUL = 1400 / Gain pulser GAINSTRT= 797264221 / Gain start GAINEND = 797264230 / Gain end HISTORY No single packet ApIDs contributed. HISTORY LDP(526,36658) File: swift_ldp_37479c01_2415_526_36658.ccsds HISTORY Product(36658) BAT Pages(140) Found Pages(140) HISTORY Valid Pages(140) Simulated Pages (0) Missing Pages(0) PROCVER = '3.20.02 ' / Processing script version SOFTVER = 'Hea_21Mar2024_V6.33.1_Swift_Rel5.8(Bld47)_30Jun2023_SDCpatch_2' CALDBVER= 'b20230607_u20240201_x20260327_m20260302' / CALDB index versions used SEQPNUM = 4 / Number of times the dataset processed OBJECT = 'DragPointing22812' / Object name RA_OBJ = 191.98346107751 / [deg] R.A. Object DEC_OBJ = 67.4689705455152 / [deg] Dec Object ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -37.5830600000000 / [s] UTCF at TSTART CHECKSUM= 'Xd9Aad91Rd98Xd98' / HDU checksum updated 2026-04-27T13:06:01 DATASUM = '1113995858' / data unit checksum updated 2026-04-27T13:06:01 END A B D% F' B4 7 C B B( A5 B7