FORS1 trending system: HISTORY plot
Last update: 2007-03-08T12:13:02 (UT)
same group: med_mast_L ron_raw_L ron_mast_L fp_raw_L struct_raw_L
close window history: 2004   2005   2006   2007   HEALTH
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Plot Symbol
[info]
Source* Average [info] Thresholds [info] N_data Data downloads Remarks
method value unit method value
1 QC1DB MEDIAN204.239 ADU 3SIG± 21.934 31 this | last_yr | all 4port readout (Garching)
2 QC1DB MEDIAN211.442 ADU 3SIG± 13.937 31 this | last_yr | all 4port readout (Garching)
4 QC1DB MEDIAN207.135 ADU 3SIG± 18.060 31 this | last_yr | all 4port readout (Garching)
5 QC1DB MEDIAN212.085 ADU 3SIG± 14.771 31 this | last_yr | all 4port readout (Garching)
6 QC1DB MEDIAN205.400 ADU 3SIG± 20.805 25 this | last_yr | all 1port readout (Paranal)
3 xQC1DB MEDIAN13.800 ADU 3SIG± 4.149 152 this | last_yr | all Temperature at Instrument Focus
*Data sources: OPSLOG: Paranal ops logs; QC1DB: QC1 database; LOCAL: local text file
This plot

The bias level (in ADU) is evaluated as the median value (per port) of all pixels in the master bias.  


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