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                            KEYMISS =                    T / Expect missing keywords                        TELESCOP= 'SWIFT   '           / Telescope (mission) name                       INSTRUME= 'XRT     '           / Instrument name                                OBS_ID  = '01246907000'        / Observation ID                                 TARG_ID = '1246907 '           / 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    = '2024-08-05T02:04:21' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =      744516275.96842 / Start time                                     DATE-OBS= '2024-08-05T02:04:36.0' / Start Date                                  TSTOP   =      744516275.96842 / Stop time                                      DATE-END= '2024-08-05T02:04:36.0' / Stop Date                                   UTCFINIT=            -33.93422 / UTCF at TSTART                                 TRIGGER =              1246907 / Trigger Number                                 FRAMENUM=            101658285 / CCD Frame Number                               HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'TDRSS_PS'           / Instrument operating mode                      CTYPE1  = 'RAWX    '           / WCS  axis type                                 CRPIX1  =                   26 / WCS Reference point                            CDELT1  =                    1 / WCS coordinate increment                       CUNIT1  = 'pixel   '           / WCS axis unit                                  CTYPE2  = 'RAWY    '           / WCS  axis type                                 CRPIX2  =                   26 / WCS Reference point                            CDELT2  =                    1 / WCS coordinate increment                       CUNIT2  = 'pixel   '           / WCS axis unit                                  APID    =                 1250 / Application Process Identifier                 PACKET1 =                    F / Data from packet #1 present                    PACKET2 =                    F / Data from packet #2 present                    PACKET3 =                    T / Data from packet #3 present                    BLANK   =                   -1 / Null data                                      BOREROW =     298.100006103516 / BOREsight ROW in RAWY                          BORECOL =     291.600006103516 / 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=               836066 / 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  =     190.895080566406 / [deg] Spacecraft RA                            DEC_PNT =    -53.6160163879395 / [deg] Spacecraft Dec                           GRBYXRT =    -85.8230361938477 / GRB Y in XRT Coords                            GRBZXRT =     2.05116367340088 / GRB Z in XRT Coords                            XHIGHRA =     190.920485038544 / [deg] XRT HIGH precision GRB RA (double)       XHIGHDEC=     -53.597535900759 / [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  =            -33.93422 / [s] Packet #3 UTC Correction time              P3UTCCS =                  -34 / Packet #3 UTC Correction Seconds               P3UTCCSS=                 3289 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME=      744516278.86212 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC =            744516278 / ccsds PacKeT #3 SEConds                        PKT3SUBS=                43106 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds      DATAMISS=                    T / Expect missing data                            CHECKSUM= 'QEEETB9CQBCCQB9C'   / HDU checksum updated 2024-08-05T02:04:21       DATASUM = '157354443'          / data unit checksum updated 2024-08-05T02:04:21 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       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