FORS1 trending system: HISTORY plot
Last update: 2007-03-08T12:17:26 (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 MEDIAN217.000 ADU 3SIG± 8.862 8 this | last_yr | all 4port readout (Garching)
2 QC1DB MEDIAN219.000 ADU 3SIG± 7.594 8 this | last_yr | all 4port readout (Garching)
4 QC1DB MEDIAN212.200 ADU 3SIG± 7.079 8 this | last_yr | all 4port readout (Garching)
5 QC1DB MEDIAN216.200 ADU 3SIG± 8.190 1 this | last_yr | all 4port readout (Garching)
6 QC1DB MEDIAN219.200 ADU 3SIG± 8.812 8 this | last_yr | all 1port readout (Paranal)
3 xQC1DB MEDIAN12.900 ADU 3SIG± 5.223 135 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