VIMOS trending system: HISTORY plot
Last update: 2007-06-21T15:34:39 (UT)
close window history: 2003 2004 2005 2006 2007 2008 2009   HEALTH FULL
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Plot Symbol
[info]
Source* Average [info] Thresholds [info] N_data Data downloads Remarks
method value unit method value
1 QC1DB MEDIAN2.700 e/px/hr 1SIG± 0.611 3 this | last_yr | all dark current, low gain
2 QC1DB MEDIAN6.380 e/px/hr 1SIG± 0.288 5 this | last_yr | all dark current, low gain
3 QC1DB MEDIAN4.080 e/px/hr 1SIG± 0.389 2 this | last_yr | all dark current, high gain
4 QC1DB MEDIAN5.030 e/px/hr 1SIG± 0.095 6 this | last_yr | all dark current, high gain
5 QC1DB MEDIAN4.590 e/px/hr 1SIG± 0.255 3 this | last_yr | all dark current, low gain
6 QC1DB MEDIAN5.380 e/px/hr 1SIG± 0.145 1 this | last_yr | all dark current, low gain
7 QC1DB MEDIAN3.080 e/px/hr 1SIG± 0.167 6 this | last_yr | all dark current, high gain
8 QC1DB MEDIAN4.560 e/px/hr 1SIG± 0.153 4 this | last_yr | all dark current, high gain
*Data sources: OPSLOG: Paranal ops logs; QC1DB: QC1 database; LOCAL: local text file
This plot

Trending plots for dark current.

The upper threshold for scoring has been set to the value from the User Manual of <7 e-/px/h for the dark current of the new CCDs.

Data downloads only include measurements with the new detectors (October 2010 and later).

Template ID: img_cal_Dark and spec_cal_Dark. Pipeline recipe: vmdark.  


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