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MIDI trending system: HISTORY report
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Last update: 2013-03-10T00:15:21 (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
?		 Source
*		 Average ? Thresholds ? N_
data		 QC1
parameter		 Data
downloads		 Remarks
method value unit method value
1 •QC1DB MEDIAN -0.738 NONE none  64 A2 this | last_yr | all A2_OPEN (not scored)
2 •QC1DB MEDIAN 0.642 NONE none  61 A2 this | last_yr | all A2_GRISM (not scored)
3 •QC1DB MEDIAN 10.3 NONE none  63 A2 this | last_yr | all A2_PRISM (not scored)
4 •QC1DB MEDIAN 2333 NONE VAL2000,3100 64 A1 this | last_yr | all A1_OPEN
5 •QC1DB MEDIAN 2349 NONE VAL2000,3000 61 A1 this | last_yr | all A1_GRISM
6 •QC1DB MEDIAN 5647 NONE VAL5000,7200 63 A1 this | last_yr | all A1_PRISM
7 •QC1DB MEDIAN 5404 NONE VAL4000,6000 64 A0 this | last_yr | all A0_OPEN
8 •QC1DB MEDIAN 5242 NONE VAL4000,6000 61 A0 this | last_yr | all A0_GRISM
9 •QC1DB MEDIAN 5089 NONE VAL4000,6000 63 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:-0.738NONE
thresholds:none 
N_data plotted:64
[click on plot for closeup]
Plot 2
data source:midi_detlin
(QC1 database)
dataset:A2•
median:0.642NONE
thresholds:none 
N_data plotted:61
[click on plot for closeup]
Plot 3
data source:midi_detlin
(QC1 database)
dataset:A2•
median:10.3NONE
thresholds:none 
N_data plotted:63
[click on plot for closeup]
Plot 4
data source:midi_detlin
(QC1 database)
dataset:A1•
median:2333NONE
fixed thresholds:2000...3100NONE
N_data plotted:64
[click on plot for closeup]
Plot 5
data source:midi_detlin
(QC1 database)
dataset:A1•
median:2349NONE
fixed thresholds:2000...3000NONE
N_data plotted:61
[click on plot for closeup]
Plot 6
data source:midi_detlin
(QC1 database)
dataset:A1•
median:5647NONE
fixed thresholds:5000...7200NONE
N_data plotted:63
[click on plot for closeup]
Plot 7
data source:midi_detlin
(QC1 database)
dataset:A0•
median:5404NONE
fixed thresholds:4000...6000NONE
N_data plotted:64
[click on plot for closeup]
Plot 8
data source:midi_detlin
(QC1 database)
dataset:A0•
median:5242NONE
fixed thresholds:4000...6000NONE
N_data plotted:61
[click on plot for closeup]
Plot 9
data source:midi_detlin
(QC1 database)
dataset:A0•
median:5089NONE
fixed thresholds:4000...6000NONE
N_data plotted:63
[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