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CRIRES trending system: HISTORY report
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Last update: 2012-10-14T03:47:50 (UT)
same group: flat Hal_IR   ThAr
close window history: 2012   2013   2014   HEALTH
  ...
*Date on this monitor changes at 21:00 UT
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Plot
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Symb
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Source
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Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB MEDIAN 1.25e+04 ADU/sec VAL6000,55000 114 lamp_eff this | last_yr | all lamp efficiency (flux) on chip 2, WREF=1090.4
2 QC1DB MEDIAN 3.87e+04 ADU/sec VAL27000,70000 114 lamp_eff this | last_yr | all lamp efficiency (flux) on chip 3, WREF=1090.4
*Data sources: QC1DB: QC1 database; LOCAL: local text file
Plot 1
data source:crires_wave
(QC1 database)
dataset:lamp_eff
median:1.25e+04ADU/sec
fixed thresholds:6000...55000ADU/sec
N_data plotted:114
[click on plot for closeup]
Plot 2
data source:crires_wave
(QC1 database)
dataset:lamp_eff
median:3.87e+04ADU/sec
fixed thresholds:27000...70000ADU/sec
N_data plotted:114
[click on plot for closeup]
This plot

Lamp efficiency: flux of ThAr lamp.

The lamp efficiency for the ThAr lamp is monitored using the daily health check setting with reference wavelength (on chip 3) of 1090.4nm. It is the total flux between y=120 and y=170 on each detector. This area should normally contain one fibre trace with ThAr lines. As there is strong vignetting and contamination from adjacent orders on chips 1 and 4, only the results for chips 2 and 3 are plotted.  


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