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Science Users Information  >  Observing Facilities  >  La Silla Facilities  >  La Silla Instrumentation  >  HARPS  >  Instrument Description  >  HARPS Heatlh Checks
  11 Sep 2025
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Health Check plots below are for the HAM mode of HARPS

ThAr flux relative to a reference spectrum
Median spectral resolution, HAM mode
Number of Th lines used for wavelength solution
Fraction of lines rejected for wavelength solution computation in the blue detector
Fraction of lines rejected for wavelength solution computation in the blue detector
MAD of the wavelength solution fit in the blue detector
MAD of the wavelength solution fit in the red detector
Number of orders detected
Position of order 3 in the blue detector (in pixels, blue edge) - 385nm
STD of the position of order 3 in the blue detector (in pixels)
Position of order 22 in the blue detector (in pixels, blue edge) - 437nm
Position of order 13 in the red detector (in pixels, blue edge) - 600nm
Maximum flux in the blue detector from flat field lamp
Maximum flux in the red detector from flat field lamp
Last Update: 13.08.25 © ESO La Silla Instrument Team | Subscribe to Newsletter | Privacy Statement