SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 1 / number of data axes NAXIS1 = 0 / length of data axis 1 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 HISTORY fimgcreate 1.0b at 2013-04-28T11:40:39 DATE = '2013-04-28T11:40:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) INSTRUME= 'UVOT ' TSTART = 388004602.11858 TSTOP = 388004817.04336 DATE-OBS= '2013-04-18T19:00:50' DATE-END= '2013-04-18T19:06:54' OBJECT = 'GRB130418a' PROCVER = '3.15.06 ' / Processing script version SOFTVER = 'Hea_07Jun2011_V6.11_Swift_Rel3.8(Bld27)_07Apr2011' / HEASOFT and SwifCALDBVER= 'b20090130_u20111031_x20110725_m20130405' / CALDB index versions used TIMESYS = 'TT ' / time system MJDREFI = 51910 / MJD reference day 01 Jan 2001 00:00:00 MJDREFF = 0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:CLOCKAPP= F / If clock correction are applied (F/T) TIMEUNIT= 's ' / Time unit for timing header keywords ATTFLAG = '111 ' / Orgin of attitude information UTCFINIT= -10.4557800000000 / [s] UTCF at TSTART CHECKSUM= 'jYnIjWlHjWlHjWlH' / HDU checksum updated 2013-04-28T12:36:43 DATASUM = ' 0' / data unit checksum updated 2013-04-28T12:36:43 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 = '00553847000' / Observation ID TARG_ID = '553847 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2013-04-28T11:27:55' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -10.4557800000000 / [s] UTCF at TSTART TSTART = 388004602.11858 / Start time DATE-OBS= '2013-04-18T19:03:19' TSTOP = 388004751.97554 / Stop time DATE-END= '2013-04-18T19:05:48' TELAPSE = 149.856959998608 / TSTOP - TSTART ONTIME = 149.856959998608 / Sum of GTIs LIVETIME= 149.856959998608 / Ontime multiplied by DEADC EXPOSURE= 149.856959998608 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'wh388004602I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 388004602 / uvot EXPosure ID FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS RA_PNT = 149.041833601927 / [deg] Ra Pointing DEC_PNT = 13.6479838547407 / [deg] Dec Pointing PA_PNT = 290.4813 / [deg] Position angle (roll) WINDOWX0= 917 / Lower left hand X WINDOWY0= 955 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 13574 / 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 = 917.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 955.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -10.45578 / [s] UTC Correction time UTCCSEC = -11 / UTC Correction Seconds UTCCSUBS= 27211 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 388004757.69564 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 388004757 / ccsds PacKeT SEConds PKTSUBS = 34782 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'nG5EnG4EnG4EnG4E' / HDU checksum updated 2013-04-28T12:36:43 DATASUM = '304305 ' / data unit checksum updated 2013-04-28T11:27:55 PROCVER = '3.15.06 ' / Processing script version SOFTVER = 'Hea_07Jun2011_V6.11_Swift_Rel3.8(Bld27)_07Apr2011' / HEASOFT and SwifCALDBVER= 'b20090130_u20111031_x20110725_m20130405' / CALDB index versions used ATTFLAG = '111 ' / Orgin of attitude information END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                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 = '00553847000' / Observation ID TARG_ID = '553847 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2013-04-28T11:27:55' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -10.4557800000000 / [s] UTCF at TSTART TSTART = 388004760.01072 / Start time DATE-OBS= '2013-04-18T19:05:57' TSTOP = 388004817.04336 / Stop time DATE-END= '2013-04-18T19:06:54' TELAPSE = 57.0326399803162 / TSTOP - TSTART ONTIME = 57.0326399803162 / Sum of GTIs LIVETIME= 57.0326399803162 / Ontime multiplied by DEADC EXPOSURE= 57.0326399803162 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'uu388004760I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 388004760 / uvot EXPosure ID FILTER = 'U ' / FILTER used in exposure DETNAM = '1400 ' / WHEELPOS RA_PNT = 149.040089436824 / [deg] Ra Pointing DEC_PNT = 13.6455745289153 / [deg] Dec Pointing PA_PNT = 290.4799 / [deg] Position angle (roll) WINDOWX0= 917 / Lower left hand X WINDOWY0= 955 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 5166 / 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 = 917.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 955.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -10.45578 / [s] UTC Correction time UTCCSEC = -11 / UTC Correction Seconds UTCCSUBS= 27211 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 388004821.69564 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 388004821 / ccsds PacKeT SEConds PKTSUBS = 34782 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'DTbfGTZdDTbdDTZd' / HDU checksum updated 2013-04-28T12:36:43 DATASUM = '20390 ' / data unit checksum updated 2013-04-28T11:27:55 PROCVER = '3.15.06 ' / Processing script version SOFTVER = 'Hea_07Jun2011_V6.11_Swift_Rel3.8(Bld27)_07Apr2011' / HEASOFT and SwifCALDBVER= 'b20090130_u20111031_x20110725_m20130405' / CALDB index versions used ATTFLAG = '111 ' / Orgin of attitude information END   . 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