The value field shall contain an integer that shall be used in any way appropriate to define the data structure. In IMAGE extensions this keyword must have the value 0.
Attribute | Value |
---|---|
data type | integer |
enumerated Values | not defined |
units | bytes |
example | 0 |
default value | 0 |
special processing | not defined |
source | Science Data Processing (SDP) |
software source | calculation |
calculation | |
DB destination | not defined |
data type in DB | not defined |
instrument | Multiple |
mode | All |
product level | 1A |
FITS hdu | ZEROFRAME |
FITS header section | Basic |