SIMPLE = T / file does conform to FITS standard BITPIX = 16 / 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 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 1 PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row EXTNAME = 'GTI_NEAR' / name of this binary table extension TTYPE1 = 'START ' / GTI Start Time TFORM1 = '1D ' / format of field TUNIT1 = 's ' / physical unit of field TTYPE2 = 'STOP ' / GTI Stop Time TFORM2 = '1D ' / format of field TUNIT2 = 's ' / physical unit of field HDUCLASS= 'OGIP ' / Conforms to OGIP/GSFC standards HDUCLAS1= 'GTI ' / Contains good time intervals HDUCLAS2= 'STANDARD' / Contains standard good time intervals HDUVERS = '1.0.0 ' / Version of GTI header MJDREFI = 51910 / MJD Epoch of TIME = 0 (Integer) MJDREFF = 0.00074287037 / MJD Epoch of TIME = 0 (Fraction) END A¹Gb‘hsA¹Gr=‘hs