La Silla - Science Operation Department
HARPS flat field monitoring
Following is the plot of the latest efficiency measurement.
The efficiency curves for each order are superimposed.
Agreement with the
HARPS Exposure Time Calculator is within 10%.
The text file with the average order efficiencies for the last
measurement is available here .
The efficiency archive can be searched here
Efficiency measurements are taken during a photometric or a clear
The meteo plot
archive can be searched to verify the conditions of the night.