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CRIRES:
system efficiency
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CRIRES trending system: HEALTH CHECK report
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Last update: 2014-07-22T11:35:04 (UT)
  | now: 2014-11-21T04:34:19 (UT) muc01 QC pipeline: crire-2.3.2 (installed 2014-03-18)
same group: system_effic
General news:
CRIRES news: 2014-07-17: CRIRES has been removed
Report news:
DATE*: [?] 2014-07-15
report | NLT
2014-07-16
report | NLT
2014-07-17
no data | NLT
2014-07-18
no data | NLT
2014-07-19
no data | NLT
2014-07-20
no data | NLT
2014-07-21
no data | NLT
P...
Product quality:
products products no products no products no products no products no products
  last OPSLOG data:
2014-07-15*

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*Date on this monitor changes at 21:00 UT
Print: Information and research:
- png file - advanced studies: QC1 browser | QC1 plotter
Plot
?
Symb
?
Source
*
OPS?
**
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB yes (1) MEDIAN 0.0473 e-/photon VAL0.01,0.12 17 med_through this | last_yr | all throughput, WREF=1087.3, chip 3
2 QC1DB yes (1) MEDIAN 0.0473 e-/photon VAL0.01,0.12 17 med_through this | last_yr | all throughput, WREF=1504.8, chip 3
3 QC1DB yes (1) MEDIAN 0.0652 e-/photon VAL0.01,0.12 15 med_through this | last_yr | all throughput, WREF=2205.0, chip 3
4 QC1DB yes (1) MEDIAN 0.0629 e-/photon VAL0.01,0.12 15 med_through this | last_yr | all throughput, WREF=3611.0, chip 3
5 QC1DB yes (1) MEDIAN 0.0877 e-/photon VAL0.01,0.12 16 med_through this | last_yr | all throughput, WREF=5050.4, chip 3
*Data sources: QC1DB: QC1 database; LOCAL: local text file | **OPS: OPSLOG data are included
Plot 1
scores: 3|
data source:crires_std
(QC1 database)
dataset:med_through
median:0.0473e-/photon
fixed thresholds:0.01...0.12e-/photon
N_data plotted:17
[click on plot for closeup]
Plot 2
scores: 3|
data source:crires_std
(QC1 database)
dataset:med_through
median:0.0473e-/photon
fixed thresholds:0.01...0.12e-/photon
N_data plotted:17
[click on plot for closeup]
Plot 3
scores: 3|
data source:crires_std
(QC1 database)
dataset:med_through
median:0.0652e-/photon
fixed thresholds:0.01...0.12e-/photon
N_data plotted:15
[click on plot for closeup]
Plot 4
scores: 3|
data source:crires_std
(QC1 database)
dataset:med_through
median:0.0629e-/photon
fixed thresholds:0.01...0.12e-/photon
N_data plotted:15
[click on plot for closeup]
Plot 5
scores: 3|
data source:crires_std
(QC1 database)
dataset:med_through
median:0.0877e-/photon
fixed thresholds:0.01...0.12e-/photon
N_data plotted:16
[click on plot for closeup]
This plot

Trending plots for efficiency measurements (throughput in e-/photon in per cent) with spectro-phomtometric standard stars. Throughput is defined as the ratio of the measured electrons (e-/sec/pixel) and the expected photon flux (photons/sec/pixel).

Pipeline versions earlier than 2.1.x contained a bug for the efficiency calculation. This has been fixed in April 2011. Older values in the QC1 database have been corrected. The conversion factor between old and new values is about 2.4/100.

The overall instrument efficiency is measured with standard star observations in 5 dedicated settings: 1087.3, 1504.8, 2205.0, 3611.0, and 5050.4 nm reference wavelength. These plots show the median throughput for chip 3.  


General information

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

If applicable, the latest values from Paranal ops logs are plotted as blue dots. More information about those values, including a download option, is available in the OPS column.

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