The difference between the first and the second input raw biases (in
ADU) is computed. The population standard deviation of the pixel
values of this difference, divided by the square root of 2, is taken
as the RON. Details
can be found in the plot tutorial.
DB Name: fors2_bias
Fits header keyword: QC.RON
QC1 DB parameter: RON_r
Click on any of the plots to see a close-up version.
The latest date is indicated on top of the plot.
data points belonging to the latest date are specially marked
statistical averages are indicated by a solid line, and thresholds by broken lines
outliers are marked by a red asterisk. They are defined as data points outside the
"aliens" (= data points outside the plot Y limits) are marked by a red arrow (↑ or ↓)
you can download the data for each parameter set if the 'Data downloads' link shows up