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FORS2:
detector: bias
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FORS2 trending system: HEALTH CHECK report
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Last update: 2014-09-21T01:50:49 (UT)
  | now: 2014-09-21T08:50:39 (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*: [?] 2014-09-14
report | NLT
2014-09-15
report | NLT
2014-09-16
report | NLT
2014-09-17
report | NLT
2014-09-18
report | NLT
2014-09-19
report | NLT
2014-09-20
report | NLT
P...
Product quality:
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  last OPSLOG data:
2014-09-19*

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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 (7) MEDIAN 1.82 ADU VAL1.6,2.1 90 noise_master this | last_yr | all Chip 1, 100Kps/2ports/high_gain, 2x2
2 QC1DB yes (7) MEDIAN 2.14 ADU VAL1.9,2.5 90 noise_master this | last_yr | all Chip 2, 100Kps/2ports/high_gain, 2x2
3 QC1DB yes (6) MEDIAN 1.26 ADU VAL0.9,1.5 95 noise_master this | last_yr | all Chip 1, 200Kps/2ports/low_gain, 2x2
4 QC1DB yes (6) MEDIAN 1.41 ADU VAL1.0,1.5 95 noise_master 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: 7|
data source:fors2_bias
(QC1 database)
dataset:noise_master
median:1.82ADU
fixed thresholds:1.6...2.1ADU
N_data plotted:90
[click on plot for closeup]
Plot 2
scores: 7|
data source:fors2_bias
(QC1 database)
dataset:noise_master
median:2.14ADU
fixed thresholds:1.9...2.5ADU
N_data plotted:90
[click on plot for closeup]
Plot 3
scores: 6|
data source:fors2_bias
(QC1 database)
dataset:noise_master
median:1.26ADU
fixed thresholds:0.9...1.5ADU
N_data plotted:95
[click on plot for closeup]
Plot 4
scores: 6|
data source:fors2_bias
(QC1 database)
dataset:noise_master
median:1.41ADU
fixed thresholds:1.0...1.5ADU
N_data plotted:95
[click on plot for closeup]
This plot

For the master an expected master bias noise is calculated from the ron of the raw data, divided by the square root of the number of frames that were used to create the master bias. Then the population standard deviation of the pixel values of the master bias is determined, excluding all pixels that differ more than three times the expected ron from the median level of the master bias. 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