SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 51 / length of data axis 1 NAXIS2 = 51 / 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 MESGNAME= 'XRT_IMAGE' / Name of the message TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01263718000' / Observation ID TARG_ID = '1263718 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2024-10-30T05:52:46' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 751960191.097012 / Start time DATE-OBS= '2024-10-30T05:49:51.1' / Start Date TSTOP = 751960193.604312 / Stop time DATE-END= '2024-10-30T05:49:53.6' / Stop Date UTCFINIT= -34.44362 / UTCF at TSTART TRIGGER = 1263718 / Trigger Number FRAMENUM= 104681829 / CCD Frame Number HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'LONGIMA ' / XRT Mode for this data CTYPE1 = 'RA---TAN' / WCS axis type CRPIX1 = 26 / WCS Reference point CDELT1 = -6.548089087209E-04 / WCS coordinate increment CUNIT1 = 'deg ' / WCS axis unit CTYPE2 = 'DEC--TAN' / WCS axis type CRPIX2 = 26 / WCS Reference point CDELT2 = 6.548089087209E-04 / WCS coordinate increment CUNIT2 = 'deg ' / WCS axis unit APID = 1250 / Application Process Identifier PACKET1 = T / Data from packet #1 present PACKET2 = T / Data from packet #2 present PACKET3 = T / Data from packet #3 present BLANK = -1 / Null data TELAPSE = 2.50729990005493 / TSTOP - TSTART ONTIME = 2.50729990005493 / Time on target LIVETIME= 2.50729990005493 / ONTIME multipled by DEADC EXPOSURE= 2.50729990005493 / Total exposure, with all known corrections DEADC = 1. / Dead time correction INVGAIN = 4 / Inverse gain (data were divided by this value) RAWXCTRD= 317.334320068359 / [pixel] GRB RAWX coordinates CenTRoiD RAWYCTRD= 280.108337402344 / [pixel] GRB RAWY coordinates CenTRoiD XRA_OBJ = 343.140014648438 / [deg] XRT RA location of GRB or Object XDEC_OBJ= 80.4482345581055 / [deg] XRT DEC location of GRB or Object PA_PNT = 305.821136474609 / [deg] Roll angle from North towards East RAWXCEN = 317 / RAWX CENter image CRVAL1 = 343.140014648438 / WCS reference value RAWYCEN = 280 / RAWY CENter image CRVAL2 = 80.4482345581055 / WCS reference value STDVCTRD= 8.42941951751709 / STandard DeViation of CenTRoiD MAXSTDV = 12. / MAX STandard DeViation of centroid EVTCTRD = 259 / no. of EVenTs in the CenTRoiD window MINEVENT= 20 / MInimum No. of EVenTs required for centroid P2ITER = 3 / Number of iterations for phase2 algorithm MAXITER = 4 / MAX ITERation for phase2 algorithm CONVDIST= 0. / actual CONVergence DISTance MAXCONV = 0.0625 / MAX CONVergence distance XRTMODE = 3 / XRT MODE for image WAVEFORM= 134 / XRT waveform P1UTCC = -34.44362 / [s] Packet #1 UTC Correction time P1UTCCS = -35 / Packet #1 UTC Correction Seconds P1UTCCSS= 27819 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME= 751960196.46168 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC = 751960196 / ccsds PacKeT #1 SEConds PKT1SUBS= 23084 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds CHECKSUM= 'JWNdMUNZJUNdJUNZ' / HDU checksum updated 2024-10-30T05:53:01 DATASUM = '1105478092' / data unit checksum updated 2024-10-30T05:53:01 FLUXFACT= 570000015360. / Flux conversion factor P2UTCC = -34.44362 / [s] Packet #2 UTC Correction time P2UTCCS = -35 / Packet #2 UTC Correction Seconds P2UTCCSS= 27819 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME= 751960196.54252 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC = 751960196 / ccsds PacKeT #2 SEConds PKT2SUBS= 27126 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds BOREROW = 298.700012207031 / BOREsight ROW in RAWY BORECOL = 287.399993896484 / BOREsight COLumn in RAWX BOREPA = 0. / [deg] BOREsight roll (Position Angle) PLATESCA= 2.3573100566864 / [arcsec/pixel] PLATE SCAle SCYCORR = 0. / [arcsec] Spacecraft to XRT Y boresight corr SCZCORR = 0. / [arcsec] Spacecraft to XRT Z boresight corr SCPACORR= 0. / [deg] Spacecraft to XRT roll boresight corr TAMREFX1= 327.640014648438 / TAM Ref Window 1 X pos TAMREFY1= 237.199996948242 / TAM Ref Window 1 Y pos TAMREFX2= 261.324005126953 / TAM Ref Window 2 X pos TAMREFY2= 242. / TAM Ref Window 2 Y pos TAMTHETA= 17. / TAM THETA-t angle XRT-PSU-037 TAMOPTGN= 1.00999999046326 / TAM OPTical GaiN XRT-LUX-TN-095 TAMPRIPS= 9.49600028991699 / TAM PRImary window Plate Scale TAMSECPS= 5.65999984741211 / TAM SECondary window Plate Scale TAMSEQCN= 860856 / TAM image SEQuence CouNt TAMCTRDC= T / TAM CenTRoiD Calculated? TAMCORR = F / TAM CORRection enabled? NOMEXPO = 2.50729990005493 / [s] NOMinal EXPOsure for flux calculation RA_PNT = 343.078735351562 / [deg] Spacecraft RA DEC_PNT = 80.4405670166016 / [deg] Spacecraft Dec GRBYXRT = -43.8263130187988 / GRB Y in XRT Coords GRBZXRT = 13.5175743103027 / GRB Z in XRT Coords XHIGHRA = 343.140022670438 / [deg] XRT HIGH precision GRB RA (double) XHIGHDEC= 80.4482346885381 / [deg] XRT HIGH precision GRB DEC (double) WINHALFW= 25 / WINdow HALF Width MINSTDV = 5 / MIN STandard DeViation of centroid TLMVER = 3 / Telemetry version from packet #3 P3UTCC = -34.44362 / [s] Packet #3 UTC Correction time P3UTCCS = -35 / Packet #3 UTC Correction Seconds P3UTCCSS= 27819 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME= 751960196.66196 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC = 751960196 / ccsds PacKeT #3 SEConds PKT3SUBS= 33098 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds HISTORY HISTORY START PARAMETER list for xrttdrss_0.3.9 at 2024-10-30T01:53:01 HISTORY HISTORY P1 imagefile = /local/data/capella1/vxw/import/xrt_raw_image.fits HISTORY P2 spec1file = NONE HISTORY P3 spec2file = NONE HISTORY P4 posfile = CALDB HISTORY P5 imbias = -1 HISTORY P6 pdbias = -1 HISTORY P7 imbiasfile = CALDB HISTORY P8 pdbiasfile = CALDB HISTORY P9 outimagefile = /local/data/capella1/vxw/import/xrt_proc_image.fits HISTORY P10 outspec1file = xrt_proc_spec1.fits HISTORY P11 outspec2file = xrt_proc_spec2.fits HISTORY P12 tmpspec1file = xrt_raw_spec1temp.fits HISTORY P13 clobber = yes HISTORY P14 chatter = 3 HISTORY P15 history = yes HISTORY P16 dnthr = 9 HISTORY P17 convfact = 0.0 HISTORY P18 cleanup = yes HISTORY P19 mode = ql HISTORY HISTORY END PARAMETER list for xrttdrss_0.3.9 DNTHR = 9 / DN threshold to calculate flux HISTORY Keyword DNTHR write by xrttdrss_0.3.9 at 2024-10-30T01:53:01 HISTORY CALDB Bias file: HISTORY Used Bias value: 0 XRTBIAS = 0 / Bias calculated on ground [always applied] AMP = 2 / Amplifier node used for readout XRTTDRSS= T / TDRSS message processed by xrttdrss_0.3.9 task CROTA2 = -215.821136474609 ERRCTRD = 4.70873071633813 / error on the XRT centroid position HISTORY Keyword ERRCTRD write by xrttdrss_0.3.9 at 2024-10-30T01:53:01 SRCFLUX = 1.34119294631452E-08 / [erg/cm**2/s] source flux (0.3-10 keV) TOTALDN = 19112. / Total DN value after bias subtraction HISTORY Keyword DN write by xrttdrss_0.3.9 at 2024-10-30T01:53:01 RATEDN = 7644.8 / DN rate value (DN/EXPOSURE) HISTORY Keyword RATEDN write by xrttdrss_0.3.9 at 2024-10-30T01:53:01 HISTORY Keyword FLUX write by xrttdrss_0.3.9 at 2024-10-30T01:53:01 CONVFACT= 1.7543859176362E-12 / Conversion factor DN/s to 0.3-10keV flux HISTORY Keyword CONVFACT write by xrttdrss_0.3.9 at 2024-10-30T01:53:01 END 4, $(H, $$$0$( <4<<4$4\ $ ��@PL0 0$48�0`��h@ X�@4(,$<$HTT��d(� �(lP�,��$ p88�D�Lxx ,Ld8t,��dx00< (8h��lP08 X`�t8(00,$ $(l,<4 $ @@8D0 , $(8$((H ($(H4