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MIDI trending system: HISTORY report
Last update: 2012-07-01T00:06:41 (UT)
same group: TRANS COUNTS
close window history: 2006 2007 2008 2009 2010 2011   2012   2013   2014 2015   HEALTH
  ... ... ... ... ... ... ...
*Date on this monitor changes at 21:00 UT
Print: Information and research:
- png file - advanced studies: QC1 browser | QC1 plotter
- general comment: Apparent variations in transmission are usually due to high pressure (see pressure plot)
Plot
?
Symb
?
Source
*
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB MEDIAN 0.807777 NONE VAL0.74,1.00 88 disp4_transmission this | last_yr | all prism [ARIII]
2 QC1DB MEDIAN 0.790488 NONE VAL0.76,1.00 88 disp5_transmission this | last_yr | all prism [NeII]
3 QC1DB MEDIAN 0.832495 NONE VAL0.78,1.00 88 disp6_transmission this | last_yr | all prism [SIV]
4 QC1DB MEDIAN 0.51751 NONE VAL0.4,1.00 88 disp4_transmission this | last_yr | all grism [ARIII]
5 QC1DB MEDIAN 0.506765 NONE VAL0.4,1.00 88 disp5_transmission this | last_yr | all grism [NeII]
6 QC1DB MEDIAN 0.590817 NONE VAL0.4,1.00 88 disp6_transmission this | last_yr | all grism [SIV]
*Data sources: QC1DB: QC1 database; LOCAL: local text file
Plot 1
data source:midi_dettrn
(QC1 database)
dataset:disp4_transmission
median:0.807777NONE
fixed thresholds:0.74...1NONE
N_data plotted:88
[click on plot for closeup]
Plot 2
data source:midi_dettrn
(QC1 database)
dataset:disp5_transmission
median:0.790488NONE
fixed thresholds:0.76...1NONE
N_data plotted:88
[click on plot for closeup]
Plot 3
data source:midi_dettrn
(QC1 database)
dataset:disp6_transmission
median:0.832495NONE
fixed thresholds:0.78...1NONE
N_data plotted:88
[click on plot for closeup]
Plot 4
data source:midi_dettrn
(QC1 database)
dataset:disp4_transmission
median:0.51751NONE
fixed thresholds:0.4...1NONE
N_data plotted:88
[click on plot for closeup]
Plot 5
data source:midi_dettrn
(QC1 database)
dataset:disp5_transmission
median:0.506765NONE
fixed thresholds:0.4...1NONE
N_data plotted:88
[click on plot for closeup]
Plot 6
data source:midi_dettrn
(QC1 database)
dataset:disp6_transmission
median:0.590817NONE
fixed thresholds:0.4...1NONE
N_data plotted:88
[click on plot for closeup]
This plot

MIDI has 2 dispersive elements a prism (R=30) and a grism (R=230). The transmission of each element is measured through narrow-band filters at three wavelengths (9.00, 10.46 and 12.80 microns). Measurement through the same filters but without the dispersion are also performed to normalize the transmission.  


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