ASCII Table Extension のヘッダの例

ASCII Table Extension の例を載せておく。

◎　Primary ヘッダ
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SIMPLE  =                    T / Standard FITS format
BITPIX  =                    8 / character information
NAXIS   =                    0 / No image data array present
EXTEND  =                    T / There may be standard extensions
ORIGIN  = 'CDS      '          / Site which wrote the tape
DATE    = '23/09/83/'          / Date tape was written

COMMENT AGK3 Astrometric catalog, formatted in FITS Tables Format.
COMMENT see: W. Dieckvoss, Hamburg-Bergedorf 1975.
END

◎　extension ヘッダ
　　(ブロックを改める)。
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XTENSION= 'TABLE   '           / Table extension
BITPIX  =                    8 / 8-bits per "pixel"
NAXIS   =                    2 / simple 2-D matrix
NAXIS1  =                   74 / No. of characters per row (=74)
NAXIS2  =                    3 / The number of rows (=3)
PCOUNT  =                    0 / No "random" parameters
GCOUNT  =                    1 / Only one group
TFIELDS =                   16 / there are 16 fields per row
EXTNAME = 'AGK3    '           / Name of the catalog

TTYPE1  = 'NO      '           / The star number
TBCOL1  =                    1 / start in column 1
TFORM1  = 'A7      '           / 7 character field

TTYPE2  = 'MG      '           / stellar magnitudes
TBCOL2  =                    8 / start in column 8
TFORM2  = 'E4.1    '           / xx.x SP floating point
TUNIT2  = 'MAG     '           / units are magnitudes

...
途中略
...

TTYPE16 = 'BD      '           / Bonner Durch. star number     
TBCOL16 =                   68 / start in column 68
TFORM16 = 'A7      '           / 7 character field         
TNULL16 = '        '           / blank indicate null         

AUTHOR  = 'W. Dieckvoss'
REFERENC= 'AGK3 Astrometric catalog, Hamburg-Bergedorf, 1975'
DATE    = '14/07/82'           / date file was generated

END


◎　拡張部データレコード
　　(ブロックを改めて書き始める)。
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+82457 11.4 G5 15 30 57.480 +82 15 06.18 1960.37 2 -005 +006 29.99 +82 459
+82458 11.4 F5 15 32 41.151 +82 10 17.17 1958.36 2 -004 +006 27.97 +82 460
+82459 12.1    15 32 42.107 +82 40 28.83 1960.37 2 -004 +006 29.99 +82 461