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= 'UVOTA ' / Instrument name FILTER = 'U ' / FILTER used in exposure DETNAM = '1400 ' / WHEELPOS OBS_ID = '00849018000' / Observation ID TARG_ID = '849018 ' / Target ID SEG_NUM = '0 ' / Segment number 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 TSTART = 553864901.6188 / Start time DATE-OBS= '2018-07-21T11:21:41.6' / Start Date TSTOP = 553864901.6188 / Stop time DATE-END= '2018-07-21T11:21:41.6' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number DATE = '2018-07-21T11:24:08' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -21.29918 / UTCF at TSTART CHECKSUM= 'Zq7cbn7bZn7bbn7b' / HDU checksum updated 2018-07-21T11:24:08 DATASUM = ' 0' / data unit checksum updated 2018-07-21T11:24:08 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 92 / width of table in bytes NAXIS2 = 38 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 5 / number of fields in each row TTYPE1 = 'RAWX ' / label for field 1 TFORM1 = '1J ' / data format of field: 4-byte INTEGER TUNIT1 = 'pixel ' / physical unit of field TTYPE2 = 'RAWY ' / label for field 2 TFORM2 = '1J ' / data format of field: 4-byte INTEGER TUNIT2 = 'pixel ' / physical unit of field TTYPE3 = 'HIGH ' / label for field 3 TFORM3 = '1J ' / data format of field: 4-byte INTEGER TUNIT3 = 'count ' / physical unit of field TTYPE4 = 'MEDIUM ' / label for field 4 TFORM4 = '4J ' / data format of field: 4-byte INTEGER TUNIT4 = 'count ' / physical unit of field TTYPE5 = 'LOW ' / label for field 5 TFORM5 = '16J ' / data format of field: 4-byte INTEGER TUNIT5 = 'count ' / physical unit of field EXTNAME = 'TDRSS_FC' / name of this binary table extension TNULL3 = -1 / Column null value TNULL4 = -1 / Column null value TNULL5 = -1 / Column null value MESGNAME= 'UVOT_FINDINGCHART' / Name of the message TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'UVOTA ' / Instrument name OBS_ID = '00849018000' / Observation ID TARG_ID = '849018 ' / 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 = '2018-07-21T11:24:08' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -21.29918 / UTCF at TSTART TSTART = 553864901.6188 / Start time DATE-OBS= '2018-07-21T11:21:41.6' / Start Date TSTOP = 553864901.6188 / Stop time DATE-END= '2018-07-21T11:21:41.6' / Stop Date HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'SRCLIST ' / List of source positions DATAMODE= 'TDRSS_FC' / Instrument operating mode EXPID = 553864901 / uvot EXPosure ID MEANBGD = 0.367 / MEAN BackGrounD for exposure DETTHLD = 6 / DETector THresHoLD PHOTHLD = 2 / PHOtometry THresHoLD FILTER = 'U ' / FILTER used in exposure DETNAM = '1400 ' / WHEELPOS RA_PNT = 347.698595694636 / [deg] center pixel RA DEC_PNT = 4.88228154323233 / [deg] center pixel Dec PA_PNT = 59.583 / [deg] ROLL angle of image WINDOWX0= 315 / Lower left hand X WINDOWY0= 522 / Lower left hand Y WINDOWDX= 1440 / X Window width WINDOWDY= 1440 / Y Window width UTCCTIME= -21.29918 / [s] Packet UTC Correction time UTCCSEC = -22 / UTC Correction Seconds UTCCSUBS= 35041 / [2*10**(-5) s] Packet UTC Correction SubSecondsPKTTIME = 553865058.37658 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 553865058 / ccsds PacKeT SEConds PKTSUBS = 18829 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 853 / Aplication Process Identifier CHECKSUM= '1Aa744W719a719W7' / HDU checksum updated 2018-07-21T11:24:08 DATASUM = '122006 ' / data unit checksum 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