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MIDI trending system: HISTORY report
Last update: 2012-07-01T00:01:43 (UT)
same group: RON LIN PRESS_TEMP
close window history: 2008 2009 2010 2011   2012   2013   2014 2015   HEALTH FULL
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*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 -2.51034 NONE none  62 A2 this | last_yr | all A2_OPEN (not scored)
2 QC1DB MEDIAN -0.471926 NONE none  59 A2 this | last_yr | all A2_GRISM (not scored)
3 QC1DB MEDIAN -13.1432 NONE none  60 A2 this | last_yr | all A2_PRISM (not scored)
4 QC1DB MEDIAN 2356.76 NONE VAL2000,3100 62 A1 this | last_yr | all A1_OPEN
5 QC1DB MEDIAN 2338.29 NONE VAL2000,3000 59 A1 this | last_yr | all A1_GRISM
6 QC1DB MEDIAN 5763.42 NONE VAL5000,7200 60 A1 this | last_yr | all A1_PRISM
7 QC1DB MEDIAN 5158.61 NONE VAL4000,6000 62 A0 this | last_yr | all A0_OPEN
8 QC1DB MEDIAN 5025.49 NONE VAL4000,6000 59 A0 this | last_yr | all A0_GRISM
9 QC1DB MEDIAN 4794.02 NONE VAL4000,6000 60 A0 this | last_yr | all A0_PRISM
*Data sources: QC1DB: QC1 database; LOCAL: local text file
Plot 1
data source:midi_detlin
(QC1 database)
dataset:A2
median:-2.51034NONE
thresholds:none 
N_data plotted:62
[click on plot for closeup]
Plot 2
data source:midi_detlin
(QC1 database)
dataset:A2
median:-0.471926NONE
thresholds:none 
N_data plotted:59
[click on plot for closeup]
Plot 3
data source:midi_detlin
(QC1 database)
dataset:A2
median:-13.1432NONE
thresholds:none 
N_data plotted:60
[click on plot for closeup]
Plot 4
data source:midi_detlin
(QC1 database)
dataset:A1
median:2356.76NONE
fixed thresholds:2000...3100NONE
N_data plotted:62
[click on plot for closeup]
Plot 5
data source:midi_detlin
(QC1 database)
dataset:A1
median:2338.29NONE
fixed thresholds:2000...3000NONE
N_data plotted:59
[click on plot for closeup]
Plot 6
data source:midi_detlin
(QC1 database)
dataset:A1
median:5763.42NONE
fixed thresholds:5000...7200NONE
N_data plotted:60
[click on plot for closeup]
Plot 7
data source:midi_detlin
(QC1 database)
dataset:A0
median:5158.61NONE
fixed thresholds:4000...6000NONE
N_data plotted:62
[click on plot for closeup]
Plot 8
data source:midi_detlin
(QC1 database)
dataset:A0
median:5025.49NONE
fixed thresholds:4000...6000NONE
N_data plotted:59
[click on plot for closeup]
Plot 9
data source:midi_detlin
(QC1 database)
dataset:A0
median:4794.02NONE
fixed thresholds:4000...6000NONE
N_data plotted:60
[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, 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