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SECTION 7. STANDARD EXTENSIONS

Table 7.6.

Valid TFORMn data types in BINTABLE extensions.

TFORMn value

Description

8-bit Bytes

Logical

1

L

†

Bit

X

Unsigned byte

1

B

16-bit integer

2

I

32-bit integer

4

J

64-bit integer

8

K

Character

1

A

Single precision floating-point

4

E

Double precision floating-point

8

D

Single precision complex

8

C

Double precision complex

16

M

Array Descriptor (32-bit)

8

P

Array Descriptor (64-bit)

16

Q

†number

of 8-bit bytes needed to contain all bits.

FITS Standard