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MIDI:
detector characteristics
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MIDI trending system: HEALTH CHECK report
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Last update: 2014-11-27T19:31:33 (UT)
  | now: 2014-11-27T19:58:37 (UT) muc05 QC pipeline: midi-2.8.3 (installed 2014-10-20)
same group: RON LIN PRESS_TEMP
General news: 2014-11-27T17:00: headers available again, all systems up and running
MIDI news:  
Report news:
DATE*: [?] 2014-11-20
report | NLT
2014-11-21
report | NLT
2014-11-22
report | NLT
2014-11-23
report | NLT
2014-11-24
report | NLT
2014-11-25
report | NLT
2014-11-26
report | NLT
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scores&comments | FULL | 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
?
Source
*
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB MEDIAN -1.5 NONE none  60 A2 this | last_yr | all A2_OPEN (not scored)
2 QC1DB MEDIAN 0.042 NONE none  55 A2 this | last_yr | all A2_GRISM (not scored)
3 QC1DB MEDIAN -15.5 NONE none  57 A2 this | last_yr | all A2_PRISM (not scored)
4 QC1DB MEDIAN 2346 NONE VAL2000,3100 60 A1 this | last_yr | all A1_OPEN
5 QC1DB MEDIAN 2341 NONE VAL2000,3000 55 A1 this | last_yr | all A1_GRISM
6 QC1DB MEDIAN 5798 NONE VAL5000,7200 57 A1 this | last_yr | all A1_PRISM
7 QC1DB MEDIAN 5376 NONE VAL4000,6000 60 A0 this | last_yr | all A0_OPEN
8 QC1DB MEDIAN 5221 NONE VAL4000,6000 55 A0 this | last_yr | all A0_GRISM
9 QC1DB MEDIAN 5033 NONE VAL4000,6000 57 A0 this | last_yr | all A0_PRISM
*Data sources: QC1DB: QC1 database; LOCAL: local text file
Plot 1
scores: not implemented
data source:midi_detlin
(QC1 database)
dataset:A2
median:-1.5NONE
thresholds:none 
N_data plotted:60
[click on plot for closeup]
Plot 2
scores: not implemented
data source:midi_detlin
(QC1 database)
dataset:A2
median:0.042NONE
thresholds:none 
N_data plotted:55
[click on plot for closeup]
Plot 3
scores: not implemented
data source:midi_detlin
(QC1 database)
dataset:A2
median:-15.5NONE
thresholds:none 
N_data plotted:57
[click on plot for closeup]
Plot 4
scores: 8|
data source:midi_detlin
(QC1 database)
dataset:A1
median:2346NONE
fixed thresholds:2000...3100NONE
N_data plotted:60
[click on plot for closeup]
Plot 5
scores: 7|
data source:midi_detlin
(QC1 database)
dataset:A1
median:2341NONE
fixed thresholds:2000...3000NONE
N_data plotted:55
[click on plot for closeup]
Plot 6
scores: 8|
data source:midi_detlin
(QC1 database)
dataset:A1
median:5798NONE
fixed thresholds:5000...7200NONE
N_data plotted:57
[click on plot for closeup]
Plot 7
scores: 8|
data source:midi_detlin
(QC1 database)
dataset:A0
median:5376NONE
fixed thresholds:4000...6000NONE
N_data plotted:60
[click on plot for closeup]
Plot 8
scores: 7|
data source:midi_detlin
(QC1 database)
dataset:A0
median:5221NONE
fixed thresholds:4000...6000NONE
N_data plotted:55
[click on plot for closeup]
Plot 9
scores: 8|
data source:midi_detlin
(QC1 database)
dataset:A0
median:5033NONE
fixed thresholds:4000...6000NONE
N_data plotted:57
[click on plot for closeup]
This plot

The linearity of the MIDI detector is an indicator if the quality of its response curve. The pipeline calculate the coefficients of the polynomial fit of the average pixel value (over a windowed area) of the detector for 3 different configurations (image, prism and grism). The polynomial fit is: I(t) = A_0 + A_1 * t + A_2 * t^2, where I is the detector level in ADU and t the time in millisecond.  


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