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MIDI trending system: HISTORY report |
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Last update: 2014-03-09T00:15:49 (UT)
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*Date on this monitor changes at 21:00 UT |
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Print: |
Information and research: |
- png file
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- advanced studies:
QC1 browser |
QC1 plotter
- general comment
The thresholds are set to the accuracies mentioned in the user manual:
0.2 microns for the PRISM
0.05 for the GRISM
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Plot ? |
Symb ? |
Source * |
Average ? |
Thresholds ? |
N_ data |
QC1 parameter |
Data downloads |
Remarks |
method |
value |
unit |
method |
value |
1 |
| QC1DB |
MEDIAN |
9.003 |
microns |
VAL | 8.903,9.103 |
60 |
ArIII_r1 |
this |
last_yr |
all
|
ArIII_R1 |
2 |
| QC1DB |
MEDIAN |
10.544 |
microns |
VAL | 10.444,10.644 |
60 |
SIV_r1 |
this |
last_yr |
all
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SIV_R1 |
3 |
| QC1DB |
MEDIAN |
12.795 |
microns |
VAL | 12.7,12.9 |
60 |
NeII_r1 |
this |
last_yr |
all
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NeII_R1 |
4 |
| QC1DB |
MEDIAN |
9.003 |
microns |
VAL | 8.903,9.103 |
60 |
ArIII_r2 |
this |
last_yr |
all
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ArIII_R2 |
5 |
| QC1DB |
MEDIAN |
10.544 |
microns |
VAL | 10.444,10.644 |
60 |
SIV_r2 |
this |
last_yr |
all
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SIV_R2 |
6 |
| QC1DB |
MEDIAN |
12.795 |
microns |
VAL | 12.7,12.9 |
60 |
NeII_r2 |
this |
last_yr |
all
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NeII_R2 |
7 |
| QC1DB |
MEDIAN |
9.025 |
microns |
VAL | 9.0,9.05 |
61 |
ArIII_r1 |
this |
last_yr |
all
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ArIII_R1 |
8 |
| QC1DB |
MEDIAN |
10.467 |
microns |
VAL | 10.442,10.492 |
61 |
SIV_r1 |
this |
last_yr |
all
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SIV_R1 |
9 |
| QC1DB |
MEDIAN |
12.818 |
microns |
VAL | 12.798,12.873 |
61 |
NeII_r1 |
this |
last_yr |
all
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NeII_R1 |
10 |
| QC1DB |
MEDIAN |
9.048 |
microns |
VAL | 9.023,9.073 |
61 |
ArIII_r2 |
this |
last_yr |
all
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ArIII_R2 |
11 |
| QC1DB |
MEDIAN |
10.489 |
microns |
VAL | 10.464,10.514 |
61 |
SIV_r2 |
this |
last_yr |
all
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SIV_R2 |
12 |
| QC1DB |
MEDIAN |
12.817 |
microns |
VAL | 12.815,12.865 |
61 |
NeII_r2 |
this |
last_yr |
all
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NeII_R2 |
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*Data sources: QC1DB: QC1 database; LOCAL: local text file
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Plot 1 | data source: | midi_wave (QC1 database) |
dataset: | ArIII_r1 | |
median: | 9.003 | microns |
fixed thresholds: | 8.903...9.103 | microns |
N_data plotted: | 60 |
[click on plot for closeup] |
Plot 2 | data source: | midi_wave (QC1 database) |
dataset: | SIV_r1 | |
median: | 10.544 | microns |
fixed thresholds: | 10.444...10.644 | microns |
N_data plotted: | 60 |
[click on plot for closeup] |
Plot 3 | data source: | midi_wave (QC1 database) |
dataset: | NeII_r1 | |
median: | 12.795 | microns |
fixed thresholds: | 12.7...12.9 | microns |
N_data plotted: | 60 |
[click on plot for closeup] |
Plot 4 | data source: | midi_wave (QC1 database) |
dataset: | ArIII_r2 | |
median: | 9.003 | microns |
fixed thresholds: | 8.903...9.103 | microns |
N_data plotted: | 60 |
[click on plot for closeup] |
Plot 5 | data source: | midi_wave (QC1 database) |
dataset: | SIV_r2 | |
median: | 10.544 | microns |
fixed thresholds: | 10.444...10.644 | microns |
N_data plotted: | 60 |
[click on plot for closeup] |
Plot 6 | data source: | midi_wave (QC1 database) |
dataset: | NeII_r2 | |
median: | 12.795 | microns |
fixed thresholds: | 12.7...12.9 | microns |
N_data plotted: | 60 |
[click on plot for closeup] |
Plot 7 | data source: | midi_wave (QC1 database) |
dataset: | ArIII_r1 | |
median: | 9.025 | microns |
fixed thresholds: | 9.0...9.05 | microns |
N_data plotted: | 61 |
[click on plot for closeup] |
Plot 8 | data source: | midi_wave (QC1 database) |
dataset: | SIV_r1 | |
median: | 10.467 | microns |
fixed thresholds: | 10.442...10.492 | microns |
N_data plotted: | 61 |
[click on plot for closeup] |
Plot 9 | data source: | midi_wave (QC1 database) |
dataset: | NeII_r1 | |
median: | 12.818 | microns |
fixed thresholds: | 12.798...12.873 | microns |
N_data plotted: | 61 |
[click on plot for closeup] |
Plot 10 | data source: | midi_wave (QC1 database) |
dataset: | ArIII_r2 | |
median: | 9.048 | microns |
fixed thresholds: | 9.023...9.073 | microns |
N_data plotted: | 61 |
[click on plot for closeup] |
Plot 11 | data source: | midi_wave (QC1 database) |
dataset: | SIV_r2 | |
median: | 10.489 | microns |
fixed thresholds: | 10.464...10.514 | microns |
N_data plotted: | 61 |
[click on plot for closeup] |
Plot 12 | data source: | midi_wave (QC1 database) |
dataset: | NeII_r2 | |
median: | 12.817 | microns |
fixed thresholds: | 12.815...12.865 | microns |
N_data plotted: | 61 |
[click on plot for closeup] |
This plot
The wavelength day calibration consists in using the MIDI heated
blackscreen and taking 3 exposures through different narrow-band
filters [NeII], [SIV] and [ArIII] (having central wavelengths
accurately measured in the laboratory by the manufacturer). An extra
exposure is taken through a polycarbonic foil that has several
absorption lines in its N-band spectrum. Exposures without filters and
with closed shutter are also taken to process the exposures with
filters. From the spectra obtained through the filters a fit of the
lambda(X) function is performed. The procedure is performed for each
setup (PRISM or GRISM, and SCI_PHOT or HIGH_SENS). The MIDI HIGH_SENS mode
uses 2 windows on the detector (R1 and R2). The MIDI SCI_PHOT mode uses 4
windows (R1 to R4)
We monitor here the stability of the dispersion by plotting the
wavelength of a spectral channel given by the lambda(X) function
computed by the reduction of the calibration data. The selected
spectral channels corresponds to the expected central wavelength of the
three narrow-band filters.
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
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