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FORS2:
detector: bias
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FORS2 trending system: HEALTH CHECK report
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Last update: 2014-10-02T11:26:17 (UT)
  | now: 2014-10-02T16:15:33 (UT) muc01 QC pipeline: fors2-4.9.24 (installed 2014-03-11)
same group: med_master ron_raw ron_master fp_raw struct_raw pattern
General news:
FORS2 news:  
Report news:
DATE*: [?] 2014-09-25
report | NLT
2014-09-26
report | NLT
2014-09-27
report | NLT
2014-09-28
report | NLT
2014-09-29
report | NLT
2014-09-30
report | NLT
2014-10-01
report | NLT
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  last OPSLOG data:
2014-10-01*

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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 (12) MEDIAN 3.81 ADU VAL3.5,4.4 98 RON_r this | last_yr | all Chip 1, 100Kps/2ports/high_gain, 2x2
2 QC1DB yes (12) MEDIAN 4.49 ADU VAL4.1,5.0 98 RON_r this | last_yr | all Chip 2, 100Kps/2ports/high_gain, 2x2
3 QC1DB yes (12) MEDIAN 2.6 ADU VAL2.1,3.0 101 RON_r this | last_yr | all Chip 1, 200Kps/2ports/low_gain, 2x2
4 QC1DB yes (12) MEDIAN 2.92 ADU VAL2.3,3.2 101 RON_r this | last_yr | all Chip 2, 200Kps/2ports/low_gain, 2x2
*Data sources: QC1DB: QC1 database; LOCAL: local text file | **OPS: OPSLOG data are included
Plot 1
scores: 11|
data source:fors2_bias
(QC1 database)
dataset:RON_r
median:3.81ADU
fixed thresholds:3.5...4.4ADU
N_data plotted:98
[click on plot for closeup]
Plot 2
scores: 11|
data source:fors2_bias
(QC1 database)
dataset:RON_r
median:4.49ADU
fixed thresholds:4.1...5.0ADU
N_data plotted:98
[click on plot for closeup]
Plot 3
scores: 12|
data source:fors2_bias
(QC1 database)
dataset:RON_r
median:2.6ADU
fixed thresholds:2.1...3.0ADU
N_data plotted:101
[click on plot for closeup]
Plot 4
scores: 12|
data source:fors2_bias
(QC1 database)
dataset:RON_r
median:2.92ADU
fixed thresholds:2.3...3.2ADU
N_data plotted:101
[click on plot for closeup]
This plot

The difference between the first and the second input raw biases (in ADU) is computed. The population standard deviation of the pixel values of this difference, divided by the square root of 2, is taken as the RON. Details can be found in the plot tutorial.  


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