SIMPLE = T / file does conform to FITS standard BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 1760 / length of data axis 1 NAXIS2 = 954 / length of data axis 2 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 EXTNAME = 'BAT_IMAGE_1' / Name of extension HDUCLASS= 'OGIP ' / Conforms to OGIP/GSFC standards HDUCLAS1= 'IMAGE ' / Contains image data 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 = 222643798.08 / start time of image TSTOP = 222643798.576 / stop time of image DATE-OBS= '2008-01-21T21:29:56.000' / Date and time of observation start DATE-END= '2008-01-21T21:30:06.044' / Date and time of observation stop CLOCKAPP= F / default TELAPSE = 0.495999991893768 / elapsed time of image (= TSTOP-TSTART) ONTIME = 0.495999991893768 / on-time of image LIVETIME= 0.495999991893768 / [s] ONTIME multiplied by DEADC EXPOSURE= 0.495999991893768 / exposure of image DEADC = 1. / Dead time correction factor 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= 'DPI_1 ' / Instrument data mode OBS_ID = '00301491000' / Observation number ID TARG_ID = '301491' / 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 = 'batfftimage 1.20' / Program that created this FITS file TLM2FITS= 'V7.9.1' / Telemetry converter version number DATE = '2008-01-22T07:53:57' / file creation date (YYYY-MM-DDThh:mm:ss UT) LDPEBINS= 0 / LDP Energy Bin count LDPTYPE = 11 / LDP Type Code LDPGAIN = 923. / LDP Gain Index LDPOFFST= 2737. / LDP Offset Index LDPNA1 = 'e6kahijz.evl' / LDPNAME of nn'th processed LDP HISTORY ApID(567) LDP(16509) Row 1 to 116450 HISTORY No single packet ApIDs contributed. HISTORY LDP(567,16509) File: ../preparchive/ppackets_OK.arch.0002 HISTORY Product(16509) BAT Pages(693) Found Pages(693) HISTORY Valid Pages(693) Simulated Pages (0) Missing Pages(0) HISTORY CFITSIO used the following filtering expression to create this table: HISTORY /local/data/batevent/ground_detect_bursts/pass_data/GRB080121_trigger301HISTORY 491/pass_combine/fits/sw00301491000bevshto_uf.evt.gz[EVENTS][gtifilter("HISTORY /local/data/batevent/batevent_reproc/trigger301491/00301491000/sw0030149HISTORY 1000bevshto.evt-totgti.gti",TIME)] HISTORY HISTORY START PARAMETER list for ftmerge_2.20 at 2014-09-04T20:57:01 HISTORY HISTORY P1 (infile = @/local/data/batevent/batevent_reproc/trigger301491/0030149HISTORY P1 1000/sw00301491000bevshto.evt-events.lis) HISTORY HISTORY START FILE listing: sw00301491000bevshto.evt-events.lis HISTORY HISTORY F1 /local/data/batevent/ground_detect_bursts/pass_data/GRB080121_triggerHISTORY F1 301491/pass_combine/fits/sw00301491000bevshto_uf.evt.gz[EVENTS][gtifiHISTORY F1 r("/local/data/batevent/batevent_reproc/trigger301491/00301491000/sw0HISTORY F1 1491000bevshto.evt-totgti.gti",TIME)] HISTORY END FILE listing: sw00301491000bevshto.evt-events.lis HISTORY HISTORY P2 outfile = /local/data/batevent/batevent_reproc/trigger301491/00301491HISTORY P2 000/sw00301491000bevshto.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 GAINMETH= 'FIXEDDAC' / Cubic ground gain/offset correction using DAC-bBCALFILE= 'sw00301491000bcbo0391g0160.fits.gz' / BAT total linear gain/offset fiBRESFILE= 'swbquadres20030304v003.fits' / BAT Residual from linear gain file namBPULFILE= 'swbpulsecal20080101v001.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 2014-09-04T20:57:02 HISTORY HISTORY P1 infile = /local/data/batevent/batevent_reproc/trigger301491/003014910HISTORY P1 00/bat/event/sw00301491000bevshto.evt HISTORY P2 calfile = /local/data/batevent/batevent_reproc/trigger301491/00301491HISTORY P2 000/bat/hk/sw00301491000bcbo0391g0160.fits.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/batevent/batevent_reproc/trigger301491/00301491000/bat/eventHISTORY /sw00301491000bevshto.evt[EVENTS][gtifilter("/local/data/batevent/bateveHISTORY nt_reproc/trigger301491/00301491000-results-reprocess/events/sw003014910HISTORY 00b_all.evt-totgti.gti",TIME)] HISTORY HISTORY START PARAMETER list for ftmerge_2.20 at 2014-09-30T04:03:34 HISTORY HISTORY P1 (infile = @/local/data/batevent/batevent_reproc/trigger301491/0030149HISTORY P1 1000-results-reprocess/events/sw00301491000b_all.evt-events.lis) HISTORY HISTORY START FILE listing: sw00301491000b_all.evt-events.lis HISTORY HISTORY F1 /local/data/batevent/batevent_reproc/trigger301491/00301491000/bat/evHISTORY F1 ent/sw00301491000bevshto.evt[EVENTS][gtifilter("/local/data/batevent/HISTORY F1 event_reproc/trigger301491/00301491000-results-reprocess/events/sw003HISTORY F1 91000b_all.evt-totgti.gti",TIME)] HISTORY END FILE listing: sw00301491000b_all.evt-events.lis HISTORY HISTORY P2 outfile = /local/data/batevent/batevent_reproc/trigger301491/00301491HISTORY P2 000-results-reprocess/events/sw00301491000b_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/batevent/batevent_reproc/trigger301491/00301491000/bat/e'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 = 137.245 / [deg] Right ascension of source BAT_DEC = 41.828 / [deg] Declination of source BAT_XOBJ= -989546.201881569 / [cm] Position of source in BAT_X BAT_YOBJ= -3803224.31247819 / [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 = 0.654475390911102 / Partial coding fraction of target NGPIXAPP= T / Normalized by number of detectors? NGOODPIX= 24389 / Number of enabled detectors MSKWTSQF= 0.267802196237411 / Half-variance of mask weights 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 HISTORY CFITSIO used the following filtering expression to create this table: HISTORY /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/triggerHISTORY 301491/00301491000-results/events/sw00301491000b_all.evt[TIME > 22264379HISTORY 8.08 && TIME < 222643798.576] BACKAPP = F / Was background correction applied? HDUCLAS2= 'NET ' / Contains net flux map FLUXMETH= 'WEIGHTED' / Flux extraction method TOTCOUNT= 4573 / Total counts per time sample E_MIN = 15. / [keV] Lower energy bin edge E_MAX = 350. / [keV] Upper energy bin edge DPHLEVEL= 1 / DPH level number HISTORY HISTORY START PARAMETER list for batbinevt_1.48 at 2015-04-24T03:25:15 HISTORY HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/trigger301491/00301491000-results/events/refined_position.evt HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/trigger301491/00301491000-results/dpi/refined_position.dpi HISTORY P3 outtype = DPI HISTORY P4 timedel = 0 HISTORY P5 timebinalg = u HISTORY P6 energybins = 15-350 HISTORY P7 gtifile = NONE HISTORY P8 ecol = ENERGY HISTORY P9 weighted = NO HISTORY P10 outunits = COUNTS HISTORY P11 timepixr = -1.0 HISTORY P12 maskwt = NONE HISTORY P13 tstart = INDEF HISTORY P14 tstop = INDEF HISTORY P15 snrthresh = 6.0 HISTORY P16 detmask = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P16 reproc/trigger301491/00301491000-results/auxil/sw00301491000b_qmap.fHISTORY 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 BUNIT = 'count ' / physical unit of image OVERSMPX= 2 / Image oversampling in IMX direction OVERSMPY= 2 / Image oversampling in IMY direction COMMENT ---------------------------------- Default Coordinates CTYPE1 = 'RA---TAN' / Name of coordinate CUNIT1 = 'deg ' / Units of coordinate axis CRPIX1 = 879.643202380952 / Reference pixel position CDELT1 = -0.120381150504118 / Pixel spacing in physical units CRVAL1 = 162.374117898575 / Coordinate value at reference pixel position CTYPE2 = 'DEC--TAN' / Name of coordinate CUNIT2 = 'deg ' / Units of coordinate axis CRPIX2 = 476.64789047619 / Reference pixel position CDELT2 = 0.120381150504118 / Pixel spacing in physical units CRVAL2 = 55.8191886431045 / Coordinate value at reference pixel position CROTA2 = -45.3160937225496 / [deg] WCS Roll of coordinates w.r.t. sky COMMENT ---------------------------------- Tangent Plane Coordinates WCSNAMET= 'TANGENT_PLANE' / Coordinate system name WCSTY1T = 'TANGENT ' / Coordinate system axis CTYPE1T = 'IMX ' / Name of coordinate CRPIX1T = 879.643202380952 / Reference pixel position CDELT1T = -0.00210105052526263 / Pixel spacing in physical units CRVAL1T = 0. / Coordinate value at reference pixel position WCSTY2T = 'TANGENT ' / Coordinate system axis CTYPE2T = 'IMY ' / Name of coordinate CRPIX2T = 476.64789047619 / Reference pixel position CDELT2T = 0.00210105052526263 / Pixel spacing in physical units CRVAL2T = 0. / Coordinate value at reference pixel position IMATYPE = 'INTENSITY' / Contains net flux map ACOLAPP = T / Was autocollimation correction applied? NBATDETS= 24389 / Number of enabled detectors HISTORY HISTORY START PARAMETER list for batfftimage_1.20 at 2015-04-24T03:25:17 HISTORY HISTORY P1 infile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reHISTORY P1 proc/trigger301491/00301491000-results/dpi/refined_position.dpi HISTORY P2 outfile = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P2 eproc/trigger301491/00301491000-results/img/refined_position.img HISTORY P3 attitude = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_HISTORY P3 reproc/trigger301491/00301491000-results/auxil/sw00301491000sat.fits HISTORY P4 aperture = CALDB:FLUX HISTORY P5 bkgfile = NONE HISTORY P6 detmask = /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_rHISTORY P6 eproc/trigger301491/00301491000-results/auxil/sw00301491000b_qmap.fitHISTORY P7 bkgvarmap = NONE HISTORY P8 signifmap = NONE HISTORY P9 bkgvartype = STDDEV HISTORY P10 maskoffx = +0.0 HISTORY P11 maskoffy = +0.00 HISTORY P12 maskoffz = +0.00 HISTORY P13 bat_z = 0 HISTORY P14 origin_z = 0 HISTORY P15 rebalance = YES HISTORY P16 oversampx = 2 HISTORY P17 oversampy = 2 HISTORY P18 pcodemap = NO HISTORY P19 pcodethresh = 0.05 HISTORY P20 corrections = autocollim,flatfield,ndets,pcode,maskwt HISTORY P21 keepbits = 7 HISTORY P22 handedness = left HISTORY P23 countscol = INDEF HISTORY P24 time = 0 HISTORY P25 rows = - HISTORY P26 copyall = YES HISTORY P27 teldef = CALDB HISTORY P28 maskwtswgain = 0.03 HISTORY P29 clobber = yes HISTORY P30 append = NO HISTORY P31 chatter = 2 HISTORY P32 history = YES HISTORY P33 mode = ql HISTORY END PARAMETER list for batfftimage_1.20 HISTORY END 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½‚ 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