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MIDI:
reference pixels
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MIDI trending system: HEALTH CHECK report
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Last update: 2015-03-06T18:36:20 (UT)
  | now: 2016-07-24T14:42:19 (UT) muc05 QC pipeline: midi-2.8.3 (installed 2014-10-20)
same group: OPEN HS SP longtrend_OP longtrend_HS longtrend_SP
General news: Saturday 23rd July (extending to Sunday 24th if required) there will be IT activ ity. Databases will not be available. No new data will be visible on the QC moni tors.
MIDI news: 2015-03-04: last night of MIDI operations
Report news:
DATE*: [?] 2015-02-27
report | NLT
2015-02-28
report | NLT
2015-03-01
report | NLT
2015-03-02
report | NLT
2015-03-03
report | NLT
2015-03-04
report | NLT
2015-03-05
no data | 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
Plot
?
Symb
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Source
*
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB MEDIAN 190.08 NONE VAL189.9,190.2 54 open_beamA_X this | last_yr | all  
2 QC1DB MEDIAN 189.18 NONE VAL189,189.3 54 open_beamB_X this | last_yr | all  
3 QC1DB MEDIAN 79.90 NONE VAL79.4,80 54 open_beamA_Y this | last_yr | all  
4 QC1DB MEDIAN 166.11 NONE VAL165.6,166.2 54 open_beamB_Y this | last_yr | all  
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: 8|
data source:midi_refpix
(QC1 database)
dataset:open_beamA_X
median:190.08NONE
fixed thresholds:189.9...190.2NONE
N_data plotted:54
[click on plot for closeup]
Plot 2
scores: 8|
data source:midi_refpix
(QC1 database)
dataset:open_beamB_X
median:189.18NONE
fixed thresholds:189...189.3NONE
N_data plotted:54
[click on plot for closeup]
Plot 3
scores: 8|
data source:midi_refpix
(QC1 database)
dataset:open_beamA_Y
median:79.90NONE
fixed thresholds:79.4...80NONE
N_data plotted:54
[click on plot for closeup]
Plot 4
scores: 8|
data source:midi_refpix
(QC1 database)
dataset:open_beamB_Y
median:166.11NONE
fixed thresholds:165.6...166.2NONE
N_data plotted:54
[click on plot for closeup]
This plot

The reference pixels of MIDI are the two pixels of the detector onto which the centroids of the target images must fall in order to ensure a proper beam overlap. They are measured using the center of a pinhole, in the 3 set-ups OPEN, HIGH_SENS and SCI_PHOT, for telescopes beams A and B feeding MIDI, for the interferometric channnels 1 and 2 of MIDI, and for the photometric channels PA and PB of MIDI (in SCI_PHOT only).  


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