--- header unit 0: primary ---
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 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
--- header unit 1: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 32 / width of table in bytes
NAXIS2 = 50 / number of rows in table
PCOUNT = 0 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 8 / number of fields in each row
TTYPE1 = 'depthlo' / label for field 1
TFORM1 = 'E' / data format of field: 4-byte REAL
TTYPE2 = 'depthhi' / label for field 2
TFORM2 = 'E' / data format of field: 4-byte REAL
TTYPE3 = 'counts_ptsrc_g' / label for field 3
TFORM3 = 'J' / data format of field: 4-byte INTEGER
TTYPE4 = 'counts_gal_g' / label for field 4
TFORM4 = 'J' / data format of field: 4-byte INTEGER
TTYPE5 = 'counts_ptsrc_i' / label for field 5
TFORM5 = 'J' / data format of field: 4-byte INTEGER
TTYPE6 = 'counts_gal_i' / label for field 6
TFORM6 = 'J' / data format of field: 4-byte INTEGER
TTYPE7 = 'counts_ptsrc_z' / label for field 7
TFORM7 = 'J' / data format of field: 4-byte INTEGER
TTYPE8 = 'counts_gal_z' / label for field 8
TFORM8 = 'J' / data format of field: 4-byte INTEGER