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VIRCAM trending system: HEALTH CHECK report
Last update: 2012-05-24T21:58:46 (UT)
| now: 2012-05-24T22:17:52 (UT)
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  last OPSLOG data:
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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 (2) MEDIAN 1431.27002 ADU/sec VAL800,1700 24 qc_flux this | last_yr | all LFLUX, average over all 16 detectors
2 QC1DB yes (32) MEDIAN 1453.19995 ADU/sec VAL800,2000 383 qc_flux this | last_yr | all LFLUX, values of all detetcors
3 QC1DB yes (2) MEDIAN 199.57201 ADU/sec VAL100,250 24 qc_flux this | last_yr | all LFLUX, stdev over all detectors
4 LOCAL no none   ADU/sec none   368 qc_flux n/a Score per Detector: Green = within the thresholds
4 LOCAL no none   ADU/sec none   0 qc_flux n/a Score per Detector: Red = beyond thresholds
4 .LOCAL no none   ADU/sec none   368 qc_flux n/a Score per Detector: Green = within the thresholds
4 .LOCAL no none   ADU/sec none   0 qc_flux n/a Score per Detector: Red = beyond thresholds
*Data sources: QC1DB: QC1 database; LOCAL: local text file | **OPS: to indicate that OPSLOG data are included
Plot 1
scores: 2|
data source:vircam_gain
(QC1 database)
dataset:qc_flux
median:1431.27002ADU/sec
fixed thresholds:800.0...1700.0ADU/sec
N_data plotted:24
[click on plot for closeup]
Plot 2
scores: not implemented
data source:vircam_gain
(QC1 database)
dataset:qc_flux
median:1453.19995ADU/sec
fixed thresholds:800.0...2000.0ADU/sec
N_data plotted:383
[click on plot for closeup]
Plot 3
scores: 2|
data source:vircam_gain
(QC1 database)
dataset:qc_flux
median:199.57201ADU/sec
fixed thresholds:100.0...250.0ADU/sec
N_data plotted:24
[click on plot for closeup]
Plot 4
scores: not implemented
data source:local text file
dataset:
(numbers below apply to this dataset)
qc_flux
average:none
thresholds:none
N_data plotted:368
[click on plot for closeup]
This plot

Trending plot for lamp flux in ADU/sec in the flats used for gain.

QC parameters are derived from the gain data set, which consists of two flats and two dark frames.

Name:
Fits header: not available
QC1 DB: qc_flux

Description:
The parameter measures the lamp flux in ADU/sec in the dark subtracted lamp flat frames used for the gain determination. Setup:
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.

if available:

Fig. 4. Scoring View: Scoring values of all 16 QC parameters. Green = within the acceptance thresholds. Red = beyond the acceptance thresholds.

Note that following DICD:

[GAIN] = ADU/e-
[CONAD] = e-/ADU

Find more information on the VIRCAM GAIN tutorial page.

 


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