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 CHECKSUM= 'NaaYQZWVNaaVNWUV' / HDU checksum updated 2014-04-16T15:19:23 TELESCOP= 'GLAST ' / name of telescope generating data INSTRUME= 'LAT ' / name of instrument generating data EQUINOX = 2000. / equinox for ra and dec RADECSYS= 'FK5 ' / world coord. system for this file (FK5 or FK4) DATE = '2014-04-16T15:19:23.0000' / file creation date (UTC) DATE-OBS= '2008-08-04T15:47:35.6000' / start date/time of the obs. (UTC) DATE-END= '2009-02-03T23:57:56.6000' / end date/time of the obs. (UTC) TSTART = 239557656.6 / mission time of the obs. start TSTOP = 255398278.6 / mission time of the obs. end TIMEUNIT= 's ' / units for the time related keywords TIMESYS = 'TT ' / type of time system that is used GPS_OUT = F / whether GPS time was unavailable at any time duMJDREFI = 51910. / Int. part of MJD of SC clock start MJDREFF = 0.00074287037037037 / Frac. part of MJD of SC clock start OBSERVER= 'Peter Michelson' / LAT PI FILENAME= '3C279_ltcube.fits' / name of this file: nnnnnnnnnn = MET of ORIGIN = 'LISOC ' / name of organization making file CREATOR = 'gtltcube ScienceTools-v9r33p0-fssc-20140317' / software and version cVERSION = '1 ' / release version of the file DATASUM = ' 0' / data unit checksum updated 2014-04-16T15:19:23 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 24 / width of table in bytes NAXIS2 = 49152 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row TTYPE1 = 'COSBINS ' / label for field TFORM1 = '4E ' / data format of field: 4-byte REAL TTYPE2 = 'RA ' / RA of HEALPixel center TFORM2 = 'E ' / format of field TTYPE3 = 'DEC ' / DEC of HEALPixel center TFORM3 = 'E ' / format of field CHECKSUM= '9EZAB9Z39EZAA9Z3' / HDU checksum updated 2014-04-16T15:19:23 DATASUM = '2959021032' / data unit checksum updated 2014-04-16T15:19:23 TELESCOP= 'GLAST ' / name of telescope generating data INSTRUME= 'LAT ' / name of instr. generating data EQUINOX = 2000. / equinox for ra and dec RADECSYS= 'FK5 ' / world coord. system for this file (FK5 or FK4) DATE = '2014-04-16T15:19:23.0000' / file creation date (UTC) DATE-OBS= '2008-08-04T15:47:35.6000' / start date/time of the obs. (UTC) DATE-END= '2009-02-03T23:57:56.6000' / end date/time of the obs. (UTC) OBSERVER= 'Peter Michelson' / LAT PI ORIGIN = 'LISOC ' / name of organization making file EXTNAME = 'EXPOSURE' / name of this binary table extension TSTART = 239557656.6 / mission time of the obs. start TSTOP = 255398278.6 / mission time of the obs. end MJDREFI = 51910. / Int. part of MJD of SC clock start MJDREFF = 0.00074287037037037 / Frac. part of MJD of SC clock start TIMEUNIT= 's ' / units for the time related keywords TIMEZERO= 0. / clock correction TIMESYS = 'TT ' / type of time system that is used TIMEREF = 'LOCAL ' / reference frame used for times CLOCKAPP= F / clock drift correction applied? GPS_OUT = F / GPS time unavailable at any time during intervaPIXTYPE = 'HEALPIX ' / Indicates this is a HEALPix representation ORDERING= 'NESTED ' / Can be NESTED or RING COORDSYS= 'EQU ' NSIDE = 64 / Number of pixels per side per dodecahedron faceFIRSTPIX= 0 / First pixel index LASTPIX = 49151 / Last pixel index THETABIN= 'SQRT(1-COSTHETA)' / Costheta binning scheme NBRBINS = 4 / Number of costheta bins COSMIN = 0. / Minimum costheta value PHIBINS = 0 / Number of phi bins TUNIT1 = 's ' / physical unit of field TUNIT2 = 'deg ' TLMIN2 = 0. / minimum value TLMAX2 = 360. / maximum value TUNIT3 = 'deg ' TLMIN3 = -90. / minimum value TLMAX3 = 90. / maximum value EXTVER = 1 / auto assigned by template parser NDSKEYS = 1 DSTYP1 = 'TIME ' DSUNI1 = 's ' DSVAL1 = 'TABLE ' DSREF1 = ':GTI ' END GBI3B4 ?ʠ G/I7B6 ? GI0B10 ? GO.I4B4 ?8o GBI;)B9 ?8o G-I? XB