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ISAAC trending system: FULL plot
Last update: 2009-01-28T02:24:17 (UT)
| now: 2024-11-23T07:32:40 (UT)
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Plot
?		 Symb
?		 Source
*		 OPS?
**		 Average ? Thresholds ? N_
data		 QC1
parameter		 Data
downloads		 Remarks
method value unit method value
1 •QC1DB no MEDIAN   MAG/AS2 none   0 qc_iq all (full time range) Sky brightness for LW-arm J+Block filter
2 •QC1DB no MEDIAN 0.62589 MAG/AS2 none   55 qc_iq all (full time range) Sky brightness for LW-arm, H filter
3 •QC1DB no MEDIAN 0.563 MAG/AS2 none   74 qc_iq all (full time range) Sky brightness for LW-arm, Ks filter
4 •QC1DB no MEDIAN 0.36599 MAG/AS2 none   285 qc_iq all (full time range) Sky brightness for LW-arm, L filter
5 •QC1DB no MEDIAN   MAG/AS2 none   0 qc_iq all (full time range) Sky brightness for LW-arm, NB_3.21 filter chopping=True
5 •QC1DB no MEDIAN   MAG/AS2 none   0 qc_iq all (full time range) Sky brightness for LW-arm, NB_3.21 filter chopping=False
6 •QC1DB no MEDIAN   MAG/AS2 none   0 qc_iq all (full time range) Sky brightness for LW-arm, NB_3.28 filter chopping=True
6 •QC1DB no MEDIAN   MAG/AS2 none   0 qc_iq all (full time range) Sky brightness for LW-arm, NB_3.28 filter chopping=False
7 •QC1DB no MEDIAN   MAG/AS2 none   0 qc_iq all (full time range) Sky brightness for LW-arm, NB_3.80 filter
8 •QC1DB no MEDIAN   MAG/AS2 none   0 qc_iq all (full time range) Sky brightness for LW-arm, NB_4.07 filter
*Data sources: QC1DB: QC1 database; LOCAL: local text file | **OPS: to indicate that OPSLOG data are included
This plot

This is the trending plot for the ISAAC QC parameters derived from science imaging pipeline products. The image quality is measured:
Sources are detected from the final imaging product:,br> qc_fwhm_ac = median FWHM of all sources in arcsec
qc_fwhm_pix = median FWHM of all sources in pixel units
qc_mode = maximum of the FWHM histogram (most frequent FWHM)
qc_iq = specially cleaned mean of FWHM of all sources in arcsec

These plots describe qc_iq:
Fig. 1.image quality, for LW J+Block.
Fig. 2.image quality, for LW H.
Fig. 3.image quality, for LW Ks.
Fig. 4.image quality, for LW L.
Fig. 5.image quality, for LW N_3.21, chopping and jitter modes.
Fig. 6.image quality, for LW N_3.28, chopping and jitter modes.
Fig. 7.image quality, for LW N_3.80.
Fig. 8.image quality, for LW N_4.07.

Find more information about ISAAC science imaging products here.

 

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