FASTAXIS

Fast readout axis direction

Indicates the axis and direction of fast readout (values = 1, 2, -1, -2). The digit value is set by whether axis 1 or 2 is the fast/slow readout axis. The sign indicates the direction of the readout with respect to the science frame.

Attribute Value
data type integer
enumerated Values not defined
units
example 1
default value
special processing VALUE_REQUIRED
source Science Data Processing (SDP)
software source
calculation Lookup in software
DB destination ['ScienceCommon.fastaxis', 'GuideStar.fastaxis']
data type in DB int
instrument Multiple
mode All
product level 1b
FITS hdu PRIMARY
FITS header section Subarray parameters