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  = '00548276000'        / Observation ID                                 TARG_ID = '548276  '           / 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    = '2013-02-11T03:49:18' / file creation date (YYYY-MM-DDThh:mm:ss UT)   TSTART  =     382246716.284472 / Start time                                     DATE-OBS= '2013-02-11T03:38:36.3' / Start Date                                  TSTOP   =     382246718.791772 / Stop time                                      DATE-END= '2013-02-11T03:38:38.8' / Stop Date                                   UTCFINIT=             -10.2035 / UTCF at TSTART                                 TRIGGER =               548276 / Trigger Number                                 FRAMENUM=              5702066 / 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 =     2.50730001926422 / TSTOP - TSTART                                 ONTIME  =     2.50730001926422 / Time on target                                 LIVETIME=     2.50730001926422 / ONTIME multipled by DEADC                      EXPOSURE=     2.50730001926422 / Total exposure, with all known corrections     DEADC   =                   1. / Dead time correction                           INVGAIN =                    1 / Inverse gain (data were divided by this value) RAWXCTRD=     313.468872070312 / [pixel] GRB RAWX coordinates CenTRoiD          RAWYCTRD=     310.263793945312 / [pixel] GRB RAWY coordinates CenTRoiD          XRA_OBJ =     147.536270141602 / [deg] XRT RA location of GRB or Object         XDEC_OBJ=     -42.342098236084 / [deg] XRT DEC location of GRB or Object        PA_PNT  =     176.983520507812 / [deg] Roll angle from North towards East       RAWXCEN =                  313 / RAWX CENter image                              CRVAL1  =     147.536270141602 / WCS reference value                            RAWYCEN =                  310 / RAWY CENter image                              CRVAL2  =     -42.342098236084 / WCS reference value                            STDVCTRD=     7.66650342941284 / STandard DeViation of CenTRoiD                 MAXSTDV =                  12. / MAX STandard DeViation of centroid             EVTCTRD =                   36 / no. of EVenTs in the CenTRoiD window           MINEVENT=                   20 / MInimum No. of EVenTs required for centroid    P2ITER  =                    1 / 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  =             -10.2035 / [s] Packet #1 UTC Correction time              P1UTCCS =                  -11 / Packet #1 UTC Correction Seconds               P1UTCCSS=                39825 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME=      382246721.74196 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC =            382246721 / ccsds PacKeT #1 SEConds                        PKT1SUBS=                37098 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds      CHECKSUM= 'N9KOP7KMN7KMN7KM'   / HDU checksum updated 2013-02-11T03:49:45       DATASUM = '471079866'          / data unit checksum updated 2013-02-11T03:49:20 FLUXFACT=        570000015360. / Flux conversion factor                         P2UTCC  =             -10.2035 / [s] Packet #2 UTC Correction time              P2UTCCS =                  -11 / Packet #2 UTC Correction Seconds               P2UTCCSS=                39825 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME=      382246721.86158 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC =            382246721 / ccsds PacKeT #2 SEConds                        PKT2SUBS=                43079 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds      BOREROW =                 298. / BOREsight ROW in RAWY                          BORECOL =     295.299987792969 / 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=                46055 / 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  =      147.52587890625 / [deg] Spacecraft RA                            DEC_PNT =    -42.3489112854004 / [deg] Spacecraft Dec                           GRBYXRT =     28.9095878601074 / GRB Y in XRT Coords                            GRBZXRT =     23.0282669067383 / GRB Z in XRT Coords                            XHIGHRA =     147.536269634888 / [deg] XRT HIGH precision GRB RA (double)       XHIGHDEC=    -42.3421001177294 / [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  =             -10.2035 / [s] Packet #3 UTC Correction time              P3UTCCS =                  -11 / Packet #3 UTC Correction Seconds               P3UTCCSS=                39825 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME=      382246722.06234 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC =            382246722 / ccsds PacKeT #3 SEConds                        PKT3SUBS=                 3117 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds      HISTORY                                                                         HISTORY START PARAMETER list for xrttdrss_0.3.9 at 2013-02-10T22:49:45          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 2013-02-10T22:49:45            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  =     -86.983520507812                                                  ERRCTRD =     5.82755915242816 / error on the XRT centroid position             HISTORY Keyword ERRCTRD write by xrttdrss_0.3.9 at 2013-02-10T22:49:45          SRCFLUX = 8.72280678248717E-10 / [erg/cm**2/s] source flux (0.3-10 keV)         TOTALDN =                1243. / Total DN value after bias subtraction          HISTORY Keyword DN write by xrttdrss_0.3.9 at 2013-02-10T22:49:45               RATEDN  =                497.2 / DN rate value (DN/EXPOSURE)                    HISTORY Keyword RATEDN write by xrttdrss_0.3.9 at 2013-02-10T22:49:45           HISTORY Keyword FLUX write by xrttdrss_0.3.9 at 2013-02-10T22:49:45             CONVFACT=  1.7543859176362E-12 / Conversion factor DN/s to 0.3-10keV flux       HISTORY Keyword CONVFACT write by xrttdrss_0.3.9 at 2013-02-10T22:49:45         END                                                                                                                                                                                                                                                                                                                                                                  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