Data Item _em_image_recording.average_exposure_time

General

Item name
_em_image_recording.average_exposure_time
Category name
em_image_recording
Attribute name
average_exposure_time
Required in PDB entries
no
Used in current PDB entries
Yes, in about 2.1 % of entries

Item Description

The average exposure time for each image.

Item Example

 2.0

Data Type

Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
Units
seconds

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0 240.0

Advisory Boundary Conditions

Minimum Value Maximum Value
0 180