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 = '01220736000' / Observation ID TARG_ID = '1220736 ' / 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 = 734282367.24944 / Start time DATE-OBS= '2024-04-08T15:19:27.2' / Start Date TSTOP = 734282617.184 / Stop time DATE-END= '2024-04-08T15:23:37.2' / 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 = '2024-04-08T15:27:01' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.23336 / UTCF at TSTART CHECKSUM= 'V73lY41kV41kV41k' / HDU checksum updated 2024-04-08T15:27:01 DATASUM = ' 0' / data unit checksum updated 2024-04-08T15:27:01 END XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 160 / length of data axis 1 NAXIS2 = 160 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 MESGNAME= 'UVOT_GENI_IMAGE' / Name of the message TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'UVOTA ' / Instrument name OBS_ID = '01220736000' / Observation ID TARG_ID = '1220736 ' / 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 = '2024-04-08T15:27:01' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.23336 / UTCF at TSTART TSTART = 734282367.24944 / Start time DATE-OBS= '2024-04-08T15:19:27.2' / Start Date TSTOP = 734282617.184 / Stop time DATE-END= '2024-04-08T15:23:37.2' / Stop Date TELAPSE = 249.934559941292 / TSTOP - TSTART ONTIME = 249.934559941292 / Sum of GTIs LIVETIME= 249.934559941292 / Ontime multiplied by DEADC EXPOSURE= 249.934559941292 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'uu734282367I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 734282367 / uvot EXPosure ID FILTER = 'U ' / FILTER used in exposure DETNAM = '1400 ' / WHEELPOS RA_PNT = 236.974363001974 / [deg] Ra Pointing DEC_PNT = -62.5278767999649 / [deg] Dec Pointing PA_PNT = 134.7597 / [deg] Position angle (roll) WINDOWX0= 1059 / Lower left hand X WINDOWY0= 947 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 22639 / number of frames included GRBLOC = 1 / GRB Location 1=XRT 0=MODE CMD BPEHWIN = 0 / BPE hardware window height BINX = 2 / Binning in the x-axis BINY = 2 / Binning in the y-axis CMPCNTMN= F / Compression losses didn't occurred in the imageCMPOTHRS= 8191 / Overflow of lossy compression algorithm CMPUTHRS= -8192 / Underflow of lossy compression algorithm CTYPE1 = 'RAWX ' / WCS axis type CUNIT1 = 'pixel ' / WCS axis unit CRVAL1 = 1059.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 947.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -33.23336 / [s] UTC Correction time UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 38332 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 734282623.49558 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 734282623 / ccsds PacKeT SEConds PKTSUBS = 24779 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'ciAAfh56chAAch53' / HDU checksum updated 2024-04-08T15:27:01 DATASUM = '171034 ' / data unit checksum updated 2024-04-08T15:27:01 END ' 'Wz[ " cŃĆr+ $!' W›ŁG $"OQ. &( *.& 970 &# : '#$:==1 # !KP?" "3 +GF& 1wľ. :—«x9 *XpW$ 7S-! ! %" '8" !RŠW, <pUénn( -o~3 ü3n/ #…ÎD÷>R% /ÍJbYŚ1$ FľšÍ. %^rZ& $ $4 '* :yE# #Z Ă€W& 0w Xóa5 #! 7s{±ÉÁăM" 'Žńňq 1‘;µ2 4eE / C> ! =2* # ! (37 Hyo= 3i~m= HmQ0 -&- $YR& ;x‡q= Afeh2 <SD" , 4 %SU6 (LM4 2;% ' AN6 #?B6 .. 40( *"