The gain is derived from a set of paired flat fields with identical exposure
time, using the Photon Transfer Curve method. Since the NIR arm can take only
echelle flats we specify a small window on one order. For more information see the
plot tutorial page.
General information
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 that date are specially marked.
If configured,
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
threshold lines
"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