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XSHOOTER trending system: HEALTH CHECK report
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Last update: 2022-07-01T22:36:45 (UT)
  | now: 2022-07-02T14:19:13 (UT) muc02 QC pipeline: xshoo-3.6.0 (installed 2022-03-21)
same group: gain linearity max_flux
General news:
XSHOOTER news:  
Report news:
DATE*: [?] 2022-06-25
report | NLT
2022-06-26
report | NLT
2022-06-27
report | NLT
2022-06-28
report | NLT
2022-06-29
report | NLT
2022-06-30
report | NLT
2022-07-01
report | NLT
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*Date on this monitor changes at 21:00 UT
png: Information and research:
- png file - advanced studies: QC1 browser | QC1 plotter
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 2.29 e-/ADU VAL1.9,2.4 14 gain this | last_yr | all NIR gain
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: 2|
data source:xshooter_detmon
(QC1 database)
dataset:gain
median:2.29e-/ADU
fixed thresholds:1.9...2.4e-/ADU
N_data plotted:14
[click plot for closeup]
This plot

The gain is derived from a set of paired flat fields with identical exposure time, using the Photon Transfer Curve method. Since the NIR arm can take only echelle flats we specify a small window on one order.

2013-08-01: The thresholds have been modified (flats of more counts are included for the analysis) resulting in a higher sensitivity of the non-linearity QC parameter. As a side effect, the gain values become more affected by the non-linearity. The more high counts flats are included, the smaller the retrieved gain value. For more information see the plot tutorial page.  


General information

Click on any of the plots to see a close-up version.

The latest date is indicated on top of the plot.

If configured,

  • data points belonging to the latest date are specially marked
  • 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