HC GIRAFFE HC monitor: comment editor

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Last update: 2026-05-12T22:27:18 (UT)

General news: NOTE: The Health Check and calChecker services have been moved to qcFlow. These pages are only maintained for comparison and will be removed in 2026.
GIRAFFE news:

GIRAFFE instrument score:   close window
HC navigation group group
score		   report scores
KPI     no scoring
   
detector:_bias   bias_Normal bias_Fast
    2023-02-17 PR-184257 high RON for Fast mode reported weeks ago an updated [scerda@eso.org]
detector:_monitoring   dark linearity&gain fp-noise contamination correlations
   
gratings:_stability   grating
   
lamps:_stability   SIM-lamp FF-lamp ARC-lamp NAS-lamp
    2023-01-22 Lamp ("Tungsten") was replaced and adjusted around Jan 22 2023, hence the bad values around that day. It took a while to sort out, but the red flag should vanish in the next week, once all settings have been re-taken [sciops-dsc@eso.org]
flat:_level   Health all_FLATs per_WLN
   
flat:_saturation   all_FLATs
   
wavelength_calib   rms N_lines resolution
    2024-02-02 long-term trend in losing resolution (in all modes if you look at the full history) is known. This requires re-focusing the instrument, which will be done in due course. BHa [bhaeussl@eso.org]
fibre_width   Health all_FLATs
   
fibre_system   Health all_FLATs
   
fibre_stability_(historical)     no scoring
     
system_efficiency   Efficiency per_WLN
    2021-10-19 signal for the STD was low [qc_flames@eso.org]