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detector : linearity
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VIRCAM trending system: HEALTH CHECK report
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Last update: 2023-06-12T10:22:54 (UT)
  | now: 2024-12-22T07:07:53 (UT) muc07 QC pipeline: vcam-2.3.9 (installed 2022-03-17)
same group: LINEARITY BADPIX_FRACTION BRIGHTEST_FLAT
General news: NOTE: The Health Check and calChecker services are moved to qcFlow on an instrument by instrument basis. The current pages will not be updated any longer once the move has been finished.
VIRCAM news: On March 6th, 2023, VIRCAM has been decommissioned after 13 years of operations.
Report news:
DATE*: [?] 2023-06-05
no data | NLT
2023-06-06
no data | NLT
2023-06-07
no data | NLT
2023-06-08
no data | NLT
2023-06-09
no data | NLT
2023-06-10
no data | NLT
2023-06-11
no data | 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
  • detector #13 shows a high but constant non-linearity of 10% at 10000 ADU.
Plot
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Symb
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Source
*
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB MEDIAN 3.33 % VAL2.65,4.65 17 qc_linearity this | last_yr | all LINEARITY, average over all 16 detectors
2 QC1DB MEDIAN 3.21 % none  272 qc_linearity this | last_yr | all LINEARITY, values of all detetcors
2 QC1DB none   % none  17 qc_linearity this | last_yr | all LINEARITY, values of detector 7
2 QC1DB none   % none  17 qc_linearity this | last_yr | all LINEARITY, values of detector 3
2 QC1DB none   % none  17 qc_linearity this | last_yr | all LINEARITY, values of detector 6
2 QC1DB none   % none  17 qc_linearity this | last_yr | all LINEARITY, values of detector 12
2 QC1DB none   % none  17 qc_linearity this | last_yr | all LINEARITY, values of detector 13
3 QC1DB MEDIAN 2.27 % VAL1.7,2.6 17 qc_linearity this | last_yr | all LINEARITY, stdev over all detectors
4 LOCAL none   % none  266 qc_linearity n/a Score per Detector: Green = within the thresholds
4 LOCAL none   % none  6 qc_linearity n/a Score per Detector: Red = beyond thresholds
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: 4|
data source:vircam_line
(QC1 database)
dataset:qc_linearity
median:3.33%
fixed thresholds:2.65...4.65%
N_data plotted:17
[click plot for closeup]
Plot 2
scores: not implemented
data source:vircam_line
(QC1 database)
dataset:
(numbers below apply to this dataset)
qc_linearity
median:3.21%
thresholds:none 
N_data plotted:272
[click plot for closeup]
Plot 3
scores: 4|
data source:vircam_line
(QC1 database)
dataset:qc_linearity
median:2.27%
fixed thresholds:1.7...2.6%
N_data plotted:17
[click plot for closeup]
Plot 4
scores: not implemented
data source:local data source
dataset:
(numbers below apply to this dataset)
qc_linearity
average:none
thresholds:none
N_data plotted:266
[click plot for closeup]
This plot

The scoring thresholds of the individual chips used in box (4) are:

CHIP_16 2.6 4.6
CHIP_15 1.00 3.0
CHIP_14 1.80 3.8
CHIP_13 10.00 14.0
CHIP_12 2.0 5.0
CHIP_11 3.0 5.5
CHIP_10 0.1 2.0
CHIP_9 2.60 4.6
CHIP_8 2.70 4.7
CHIP_7 1.00 3.0
CHIP_6 2.00 4.50
CHIP_5 1.00 3.0
CHIP_4 2.50 4.5
CHIP_3 3.2 5.2
CHIP_2 2.2 4.2
CHIP_1 1.5 3.5
 


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