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
CHECKSUM = / checksum for entire HDU
TELESCOP = 'GLAST' / name of telescope generating data
INSTRUME = 'LAT' / name of instrument generating data
EQUINOX = 2000.0 / equinox for ra and dec
RADECSYS = 'FK5' / world coord. system for this file (FK5 or FK4)
DATE = / file creation date (YYYY-MM-DDThh:mm:ss UT)
DATE-OBS = / START date and time of the observation (UTC)
DATE-END = / end date and time of the observation (UTC)
TSTART = / mission time of the START of the observation
TSTOP = / mission time of the end of the observation
TIMESYS = 'TT' / type of time system that is used
TIMEUNIT = 's' / units for TSTART and TSTOP keywords
GPS_OUT = F / whether GPS time was unavailable at any time during this interval
MJDREFI = 51910. / Integer part of MJD corresponding to SC clock START
MJDREFF = 7.428703703703703D-4 / Fractional part of MJD corresponding to SC clock START
OBSERVER = 'Peter Michelson' / GLAST/LAT PI
FILENAME = / name of this file
ORIGIN = 'LISOC' / name of organization making file
#AUTHOR = / name of person responsible for file generation
CREATOR = / software and version creating file
VERSION = 1 / release version of the file
#SOFTWARE = / version of the processing software
END
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = / width of table in bytes
NAXIS2 = / number of rows in table
PCOUNT = / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = / number of fields in each row
CHECKSUM = / checksum for entire HDU
DATASUM = / checksum for data table
TELESCOP = 'GLAST' / name of telescope generating data
INSTRUME = 'LAT' / name of instrument generating data
EQUINOX = 2000.0 / equinox for ra and dec
RADECSYS = 'FK5' / world coord. system for this file (FK5 or FK4)
DATE = / file creation date (YYYY-MM-DDThh:mm:ss UT)
DATE-OBS = / START date and time of the observation (UTC)
DATE-END = / end date and time of the observation (UTC)
OBSERVER = 'Peter Michelson' / GLAST/LAT PI
ORIGIN = 'LISOC' / name of organization making file
EXTNAME = 'SC_DATA' / name of this binary table extension
TSTART = / mission time of the START of the observation
TSTOP = / mission time of the end of the observation
MJDREFI = 51910. / Integer part of MJD corresponding to SC clock START
MJDREFF = 7.428703703703703D-4 / Fractional part of MJD corresponding to SC clock START
TIMEUNIT = 's' / units for the time related keywords
TIMEZERO = 0.0 / clock correction
TIMESYS = 'TT' / type of time system that is used
TIMEREF = 'LOCAL' / reference frame used for times
TASSIGN = 'SATELLITE' / location where time assignment performed
CLOCKAPP = F / whether a clock drift correction has been applied
GPS_OUT = F / whether GPS time was unavailable at any time during this interval
TTYPE1 = 'START' / STARTing time of interval (Mission Elapsed Time)
TFORM1 = 'D' / data format of field: 8-byte DOUBLE
TUNIT1 = 's' / physical unit of field
TLMIN1 = 0.0 / minimum value
TLMAX1 = 1.0D+10 / maximum value
TTYPE2 = 'STOP' / ending time of interval (Mission Elapsed Time)
TFORM2 = 'D' / data format of field: 8-byte DOUBLE
TUNIT2 = 's' / physical unit of field
TLMIN2 = 0.0 / minimum value
TLMAX2 = 1.0D+10 / maximum value
TTYPE3 = 'SC_POSITION' / S/C position at START of interval (x,y,z inertial coordinates)
TFORM3 = '3E' / data format of field: 4-byte REAL
TUNIT3 = 'm' / physical unit of field
TTYPE4 = 'LAT_GEO' / ground point latitude
TFORM4 = 'E' / data format of field: 4-byte REAL
TUNIT4 = 'deg' / physical unit of field
TLMIN4 = -90.0 / minimum value
TLMAX4 = 90.0 / maximum value
TTYPE5 = 'LON_GEO' / ground point longitude
TFORM5 = 'E' / data format of field: 4-byte REAL
TUNIT5 = 'deg' / physical unit of field
TLMIN5 = 0.0 / minimum value
TLMAX5 = 360.0 / maximum value
TTYPE6 = 'RAD_GEO' / S/C altitude
TFORM6 = 'D' / data format of field: 8-byte DOUBLE
TUNIT6 = 'm' / physical unit of field
TLMIN6 = 0.0 / minimum value
TLMAX6 = 10000.0 / maximum value
TTYPE7 = 'RA_ZENITH' / RA of zenith direction at START
TFORM7 = 'E' / data format of field: 8-byte DOUBLE
TUNIT7 = 'deg' / physical unit of field: dimensionless
TLMIN7 = 0.0 / minimum value
TLMAX7 = 360.0 / maximum value
TTYPE8 = 'DEC_ZENITH' / Dec of zenith direction at START
TFORM8 = 'E' / data format of field: 4-byte REAL
TUNIT8 = 'deg' / physical unit of field: dimensionless
TLMIN8 = -90.0 / minimum value
TLMAX8 = 90.0 / maximum value
TTYPE9 = 'B_MCILWAIN' / McIlwain B parameter, magnetic field
TFORM9 = 'E' / data format of field: 4-byte REAL
TUNIT9 = 'Gauss' / physical unit of field
TLMIN9 = 0.0 / minimum value
TLMAX9 = 100.0 / maximum value
TTYPE10 = 'L_MCILWAIN' / McIlwain L parameter, distance
TFORM10 = 'E' / data format of field: 4-byte REAL
TUNIT10 = 'Earth_Radii' / physical unit of field
TLMIN10 = 0.0 / minimum value
TLMAX10 = 100.0 / maximum value
TTYPE11 = 'GEOMAG_LAT' / geomagnetic latitude
TFORM11 = 'E' / 4-byte real
TLMIN11 = -90.0 / minimum value
TLMAX11 = 90.0 / maximum value
TUNIT11 = 'deg' / physical unit
TTYPE12 = 'IN_SAA' / whether spacecraft was in SAA
TFORM12 = 'L' / data format of field: logical
TTYPE13 = 'RA_SCZ' / viewing direction at START (RA of LAT +z axis)
TFORM13 = 'E' / data format of field: 4-byte REAL
TUNIT13 = 'deg' / physical unit of field: dimensionless
TLMIN13 = 0.0 / minimum value
TLMAX13 = 360.0 / maximum value
TTYPE14 = 'DEC_SCZ' / viewing direction at START (Dec of LAT +z axis)
TFORM14 = 'E' / data format of field: 4-byte REAL
TUNIT14 = 'deg' / physical unit of field: dimensionless
TLMIN14 = -90.0 / minimum value
TLMAX14 = 90.0 / maximum value
TTYPE15 = 'RA_SCX' / viewing direction at START (RA of LAT +x axis)
TFORM15 = 'E' / data format of field: 4-byte REAL
TUNIT15 = 'deg' / physical unit of field: dimensionless
TLMIN15 = 0.0 / minimum value
TLMAX15 = 360.0 / maximum value
TTYPE16 = 'DEC_SCX' / viewing direction at START (Dec of LAT +x axis)
TFORM16 = 'E' / data format of field: 4-byte REAL
TUNIT16 = 'deg' / physical unit of field: dimensionless
TLMIN16 = -90.0 / minimum value
TLMAX16 = 90.0 / maximum value
TTYPE17 = 'RA_NPOLE' / RA of north orbital pole at START
TFORM17 = 'E' / data format of field: 4-byte REAL
TUNIT17 = 'deg' / physical unit of field: dimensionless
TLMIN17 = 0.0 / minimum value
TLMAX17 = 360.0 / maximum value
TTYPE18 = 'DEC_NPOL' / Dec of north orbital pole at START
TFORM18 = 'E' / data format of field: 4-byte REAL
TUNIT18 = 'deg' / physical unit of field: dimensionless
TLMIN18 = -90.0 / minimum value
TLMAX18 = 90.0 / maximum value
TTYPE19 = 'ROCK_ANGLE' / angle z axis from zenith (+=north) at START
TFORM19 = 'E' / data format of field: 4-byte REAL
TUNIT19 = 'deg' / physical unit of field: dimensionless
TLMIN19 = -180.0 / minimum value
TLMAX19 = 180.0 / maximum value
TTYPE20 = 'LAT_MODE' / attitude mode of LAT
TFORM20 = 'J' / data format of field: 4-byte signed INTEGER
TTYPE21 = 'LAT_CONFIG' / flag for config. of LAT (1=nominal sci. config)
TFORM21 = 'B' / data format of field: byte
TTYPE22 = 'DATA_QUAL' / flag for quality of data (1=nominal)
TFORM22 = 'B' / data format of field: byte
TTYPE23 = 'LIVETIME' / livetime
TFORM23 = 'D' / data format of field: 8-byte DOUBLE
TUNIT23 = 's' / physical unit of field
TTYPE24 = 'QSJ_1' / First component of SC attitude quaternion
TFORM24 = 'D' / 8-byte DOUBLE
TTYPE25 = 'QSJ_2' / Second component of SC attitude quaternion
TFORM25 = 'D' / 8-byte DOUBLE
TTYPE26 = 'QSJ_3' / Third component of SC attitude quaternion
TFORM26 = 'D' / 8-byte DOUBLE
TTYPE27 = 'QSJ_4' / Fourth component of SC attitude quaternion
TFORM27 = 'D' / 8-byte DOUBLE
END
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