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8.1 The ASCII Table
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Definition of the Flexible
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7.3 Data Representation
8 Standard Extensions
8.1 The ASCII Table Extension
8.1.1 Mandatory Keywords
XTENSION
Keyword
BITPIX
Keyword
NAXIS
Keyword
NAXIS1
Keyword
NAXIS2
Keyword
PCOUNT
Keyword
GCOUNT
Keyword
TFIELDS
Keyword
TBCOLn
Keywords
TFORMn
Keywords
END
Keyword
8.1.2 Other Reserved Keywords
TSCALn
Keywords
TZEROn
Keywords
TNULLn
Keywords
TTYPEn
Keywords
TUNITn
Keywords
8.1.3 Data Sequence
8.1.4 Fields
8.1.5 Entries
8.2 Image Extension
8.2.1 Mandatory Keywords
XTENSION
Keyword
BITPIX
Keyword
NAXIS
Keyword
NAXISn
Keywords
PCOUNT
Keyword
GCOUNT
Keyword
END
Keyword
8.2.2 Units
8.2.3 Data Sequence
8.3 Binary Table Extension
8.3.1 Mandatory Keywords
XTENSION
Keyword
BITPIX
Keyword
NAXIS
Keyword
NAXIS1
Keyword
NAXIS2
Keyword
PCOUNT
Keyword
GCOUNT
Keyword
TFIELDS
Keyword
TFORMn
Keywords
END
Keyword
8.3.2 Other Reserved Keywords
TTYPEn
Keywords
TUNITn
Keywords
TNULLn
Keywords
TSCALn
Keywords
TZEROn
Keywords
TDISPn
Keywords
THEAP
Keyword
TDIMn
Keywords
8.3.3 Data Sequence
8.3.3.1 Main Data Table
Logical
Bit Array
Character
Unsigned 8-Bit Integer
16-Bit Integer
32-Bit Integer
Single Precision Floating Point
Double Precision Floating Point
Single Precision Complex
Double Precision Complex
Array Descriptor
8.3.3.2 Bytes Following Main Table
8.3.4 Data Display
5/13/1999
