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VIRCAM:
detector : darks (NDIT = 1)
Other HC:
QC links:
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VIRCAM trending system: HEALTH CHECK report
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Last update: 2014-08-20T11:10:45 (UT)
  | now: 2014-08-20T20:03:10 (UT) muc07 QC pipeline: vcam-1.3.3 (installed 2014-03-19)
same group: MED_1.0011 RON12_1.0011 RMS_1.0011 STRIPE_1.0011   MED_120 RON12_120 RMS_120 STRIPE_120
General news:
VIRCAM news:  
Report news:
DATE*: [?] 2014-08-13
report | NLT
2014-08-14
report | NLT
2014-08-15
report | NLT
2014-08-16
report | NLT
2014-08-17
report | NLT
2014-08-18
report | NLT
2014-08-19
report | NLT
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scores&comments | history ... | plot tutorial ... | contact                 daily/often; important to check     [?]
*Date on this monitor changes at 21:00 UT
Print: Information and research:
- png file - advanced studies: QC1 browser | QC1 plotter
  • REFERENCE frames
  • 2009-06-03: Scoring (red/green squares in the group bar and in the navigation bar) is on the detector average (Fig. 1) and detector rms (Fig. 3) values alone.
    Scores of individual detector values (Fig. 4) are for detailed analysis but do not contribute to the overall instrument score.
Plot
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Symb
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Source
*
OPS?
**
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB no MEDIAN 5.79 ADU VAL4,8 69 qc_ron12 this | last_yr | all RON12, average over all 16 detectors
2 QC1DB no MEDIAN 5.99 ADU VAL3,9 1089 qc_ron12 this | last_yr | all RON12, values of all detetcors
3 QC1DB no MEDIAN 0.864 ADU VAL0,2 69 qc_ron12 this | last_yr | all RON12, stdev over all detectors
4 LOCAL no none   ADU none  1047 qc_ron12 n/a Score per Detector: Green = within the thresholds
4 LOCAL no none   ADU none  41 qc_ron12 n/a Score per Detector: Red = beyond thresholds
4 .LOCAL no none   ADU none  1047 qc_ron12 n/a Score per Detector: Green = within the thresholds
4 .LOCAL no none   ADU none  41 qc_ron12 n/a Score per Detector: Green = within the thresholds
*Data sources: QC1DB: QC1 database; LOCAL: local text file | **OPS: OPSLOG data are included
Plot 1
scores: 9|
data source:vircam_dark
(QC1 database)
dataset:qc_ron12
median:5.79ADU
fixed thresholds:4...8ADU
N_data plotted:69
[click on plot for closeup]
Plot 2
scores: not implemented
data source:vircam_dark
(QC1 database)
dataset:qc_ron12
median:5.99ADU
fixed thresholds:3...9ADU
N_data plotted:1089
[click on plot for closeup]
Plot 3
scores: 9|
data source:vircam_dark
(QC1 database)
dataset:qc_ron12
median:0.864ADU
fixed thresholds:0...2ADU
N_data plotted:69
[click on plot for closeup]
Plot 4
scores: not implemented
data source:local text file
dataset:
(numbers below apply to this dataset)
qc_ron12
average:none
thresholds:none
N_data plotted:1047
[click on plot for closeup]
This plot

Trending plot for read out noise.

QC parameters is derived from each detector of daily DARK frames.

Name:
Fits header: NONE,
QC1 DB: qc_ron12

Description:
Subtract the second dark raw frame of the stack from the first dark raw frame, retrieve a robust RMS, via a Gaussian fit to the histogram and divide the sigma by sqrt(2).

Setup:
DET.DIT = 1.0011 sec

DET.NDIT = 1

These plots describe:
Fig. 1. Average view: The QC parameter averaged over all detectors. This view is sensitive to common changes.
Fig. 2. Resolved View: The QC parameter resolved for all detectors.
Fig. 3. Scatter View: The standard deviation of the QC parameter, obtained from the sample of all detectors. This view is sensitive changes of individual detectors.
Fig. 4. Scoring View: Scoring values of all 16 QC parameters. Green = within the acceptance thresholds. Red = beyond the acceptance thresholds.

Find more information on the VIRCAM DARK 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, 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