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VISIR trending system: HEALTH CHECK report
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Last update: 2026-04-17T02:02:28 (UT)
  | now: 2026-04-17T09:43:59 (UT) muc03 QC pipeline: visir-4.4.3 (installed 2023-04-27)
same group: N_band Q_band
General news: NOTE: The Health Check and calChecker services have been moved to qcFlow. These pages are only maintained for comparison and will be removed in 2026.
VISIR news:  
Report news:
DATE*: [?] 2026-04-10
report | NLT
2026-04-11
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2026-04-12
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2026-04-13
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2026-04-14
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*Date on this monitor changes at 21:00 UT
png: 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 7.72e+04 ADU/Jy none  81 conver this | last_yr | all conversion factor with PAH1 filter, pfov=0.0453
2 QC1DB MEDIAN 6.08e+04 ADU/Jy none  32 conver this | last_yr | all conversion factor with PAH2_2 filter, pfov=0.0453
3 QC1DB MEDIAN 2.3e+04 ADU/Jy none  6 conver this | last_yr | all conversion factor with ArIII filter, pfov=0.0453
4 QC1DB MEDIAN 1.47e+05 ADU/Jy none  3 conver this | last_yr | all conversion factor with J8.9 filter, pfov=0.0453
5 QC1DB MEDIAN 2.13e+05 ADU/Jy none  47 conver this | last_yr | all conversion factor with B10.7 filter, pfov=0.0453
6 QC1DB MEDIAN 1.76e+04 ADU/Jy none  41 conver this | last_yr | all conversion factor with NeII filter, pfov=0.0453
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: not implemented
data source:visir_zp_img
(QC1 database)
dataset:conver
median:7.72e+04ADU/Jy
thresholds:none 
N_data plotted:81
[click plot for closeup]
Plot 2
scores: not implemented
data source:visir_zp_img
(QC1 database)
dataset:conver
median:6.08e+04ADU/Jy
thresholds:none 
N_data plotted:32
[click plot for closeup]
Plot 3
scores: not implemented
data source:visir_zp_img
(QC1 database)
dataset:conver
median:2.3e+04ADU/Jy
thresholds:none 
N_data plotted:6
[click plot for closeup]
Plot 4
scores: not implemented
data source:visir_zp_img
(QC1 database)
dataset:conver
median:1.47e+05ADU/Jy
thresholds:none 
N_data plotted:3
[click plot for closeup]
Plot 5
scores: not implemented
data source:visir_zp_img
(QC1 database)
dataset:conver
median:2.13e+05ADU/Jy
thresholds:none 
N_data plotted:47
[click plot for closeup]
Plot 6
scores: not implemented
data source:visir_zp_img
(QC1 database)
dataset:conver
median:1.76e+04ADU/Jy
thresholds:none 
N_data plotted:41
[click plot for closeup]
This plot

Measurements of the conversion factor from imaging standard star observations. Several N band filters are shown. Note that starting with P95 only small-field (SF) observations with 0.0453 arcsec/pixel are offered.

The conversion factor describes the conversion between ADU and Jy. It is computed as: F(tot.observed) / F(model) [ADU/Jy], where F corresponds to flux and F(model) is the model predicted flux of the standard star from a catalog.  


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