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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: 2015-05-04T15:47:58 (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:
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
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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 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