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XSHOOTER trending system: HEALTH CHECK report
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Last update: 2022-10-03T16:27:06 (UT)
  | now: 2022-10-03T18:36:54 (UT) muc02 QC pipeline: xshoo-3.6.0 (installed 2022-03-21)
same group: flat_HC_IFU slice_rms   flat_IFU flat_SLIT arc_lamp spectrum SLIT stdev
General news:
XSHOOTER news:  
Report news:
DATE*: [?] 2022-09-26
report | NLT
2022-09-27
report | NLT
2022-09-28
report | NLT
2022-09-29
report | NLT
2022-09-30
report | NLT
2022-10-01
report | NLT
2022-10-02
report | 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
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 0.0052 ADU VAL0,0.015 215 slit_rms this | last_yr | all rms of the slit function, any slit
2 QC1DB MEDIAN -0.000319 ADU/pix VAL-0.0008,0.0002 215 slit_b this | last_yr | all illumination gradient of the slit function
3 QC1DB none   ADU/pix none  215 slit_db this | last_yr | all error in b
4 QC1DB MEDIAN 0.00604 ADU VAL0.002,0.01 132 slit_rms this | last_yr | all rms of the slit function in IFU mode
5 QC1DB MEDIAN -0.000894 ADU/pix VAL-0.002,0 132 slit_b this | last_yr | all illumination gradient of central slice
6 QC1DB none   ADU/pix none  132 slit_db this | last_yr | all error in b
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: 38|
data source:xshooter_flat
(QC1 database)
dataset:slit_rms
median:0.0052ADU
fixed thresholds:0...0.015ADU
N_data plotted:215
[click plot for closeup]
Plot 2
scores: 38|
data source:xshooter_flat
(QC1 database)
dataset:slit_b
median:-0.000319ADU/pix
fixed thresholds:-0.0008...0.0002ADU/pix
N_data plotted:215
[click plot for closeup]
Plot 3
scores: not implemented
data source:xshooter_flat
(QC1 database)
dataset:slit_db
average:none
thresholds:none
N_data plotted:215
[click plot for closeup]
Plot 4
scores: 16|
data source:xshooter_flat
(QC1 database)
dataset:slit_rms
median:0.00604ADU
fixed thresholds:0.002...0.01ADU
N_data plotted:132
[click plot for closeup]
Plot 5
scores: 16|
data source:xshooter_flat
(QC1 database)
dataset:slit_b
median:-0.000894ADU/pix
fixed thresholds:-0.002...0ADU/pix
N_data plotted:132
[click plot for closeup]
Plot 6
scores: not implemented
data source:xshooter_flat
(QC1 database)
dataset:slit_db
average:none
thresholds:none
N_data plotted:132
[click plot for closeup]
This plot

This plot monitors the slit function.

The median of the 21 central rows of the master flat is taken and a cross section over one order is extracted. (see plot tutorial for details). For flats in slit mode an analysis region is determined exluding both edges. For flats in IFU mode the analysis region is confined to the central slice.

Boxes 1 and 4 show the rms of the analysis region.
The analysis region is fit by a linear function
y = a + b * x
where b represents the illumination gradient over the slit. This QC parameter is given as gradient in box 2 for slits and in box 5 for the central slice in IFU flats.

The uncertainty of the gradient b, called grad_err, is given in boxes 3 and 6.

Thresholds are based on the experience gained during the 2017-02 events in the UVB-arm  


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