--- 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 = 164 / width of table in bytes
NAXIS2 = 320 / number of rows in table
PCOUNT = 0 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 29 / number of fields in each row
TTYPE1 = 'scan_id' / label for field 1
TFORM1 = '6A' / data format of field: ASCII Character
TTYPE2 = 'frame_num' / label for field 2
TFORM2 = 'I' / data format of field: 2-byte INTEGER
TTYPE3 = 'band' / label for field 3
TFORM3 = 'I' / data format of field: 2-byte INTEGER
TTYPE4 = 'ra' / label for field 4
TFORM4 = 'D' / data format of field: 8-byte DOUBLE
TTYPE5 = 'dec' / label for field 5
TFORM5 = 'D' / data format of field: 8-byte DOUBLE
TTYPE6 = 'mjd' / label for field 6
TFORM6 = 'D' / data format of field: 8-byte DOUBLE
TTYPE7 = 'scangrp' / label for field 7
TFORM7 = '2A' / data format of field: ASCII Character
TTYPE8 = 'row' / label for field 8
TFORM8 = 'K' / data format of field: 8-byte INTEGER
TTYPE9 = 'qual_frame' / label for field 9
TFORM9 = 'I' / data format of field: 2-byte INTEGER
TTYPE10 = 'moon_masked' / label for field 10
TFORM10 = 'B' / data format of field: BYTE
TTYPE11 = 'dtanneal' / label for field 11
TFORM11 = 'E' / data format of field: 4-byte REAL
TTYPE12 = 'intmedian' / label for field 12
TFORM12 = 'E' / data format of field: 4-byte REAL
TTYPE13 = 'intstddev' / label for field 13
TFORM13 = 'E' / data format of field: 4-byte REAL
TTYPE14 = 'intmed16p' / label for field 14
TFORM14 = 'E' / data format of field: 4-byte REAL
TTYPE15 = 'phase' / label for field 15
TFORM15 = 'B' / data format of field: BYTE
TTYPE16 = 'use' / label for field 16
TFORM16 = 'B' / data format of field: BYTE
TTYPE17 = 'coextent' / label for field 17
TFORM17 = '4I' / data format of field: 2-byte INTEGER
TTYPE18 = 'imextent' / label for field 18
TFORM18 = '4I' / data format of field: 2-byte INTEGER
TTYPE19 = 'imagew' / label for field 19
TFORM19 = 'I' / data format of field: 2-byte INTEGER
TTYPE20 = 'imageh' / label for field 20
TFORM20 = 'I' / data format of field: 2-byte INTEGER
TTYPE21 = 'intfn' / label for field 21
TFORM21 = '50A' / data format of field: ASCII Character
TTYPE22 = 'included' / label for field 22
TFORM22 = 'B' / data format of field: BYTE
TTYPE23 = 'sky1' / label for field 23
TFORM23 = 'E' / data format of field: 4-byte REAL
TTYPE24 = 'sky2' / label for field 24
TFORM24 = 'E' / data format of field: 4-byte REAL
TTYPE25 = 'zeropoint' / label for field 25
TFORM25 = 'E' / data format of field: 4-byte REAL
TTYPE26 = 'npixoverlap' / label for field 26
TFORM26 = 'J' / data format of field: 4-byte INTEGER
TTYPE27 = 'npixpatched' / label for field 27
TFORM27 = 'J' / data format of field: 4-byte INTEGER
TTYPE28 = 'npixrchi' / label for field 28
TFORM28 = 'J' / data format of field: 4-byte INTEGER
TTYPE29 = 'weight' / label for field 29
TFORM29 = 'E' / data format of field: 4-byte REAL