XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 8 / width of table in bytes NAXIS2 = 40 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'Ind_Pointer' / label for field 1 TFORM1 = '1J ' / data format of field: 4-byte INTEGER TTYPE2 = 'Ind_Length' / label for field 2 TFORM2 = '1J ' / data format of field: 4-byte INTEGER EXTNAME = 'Time_Index' / this is a time-ordered index of a FITS table INDTABLE= `myfile.fits:BINTABLE:EVENTS:1' / name of the indexed table IAXIS = 1 / dimensionality of the index ITYPE1 = 'TIME ' / first index column name ISTRT1 = 10000. / beginning value of first index bin IDELT1 = 1000. / width of the index bin IAXIS1 = 40 / number of bins in this axis of the index END
The table contains 40 rows and 2 columns:
IND_POINTER IND_LENGTH ----------- ---------- 1 70 71 80 151 0 151 0 151 0 151 20 171 37 . .