This documentation is intended both for QC scientists and SciOps astronomers (who may want to ignore the technical information displayed in grey).
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NAME |
crires_dark.py
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VERSION |
1.0 -- July 2008
1.0.1 -- logging, option parsing, and module import changed (2009-03-19)
1.0.2 -- supporting numpy V1.3 and matplotlib V0.99 (2009-10-29)
1.1 -- support for windowed read-out mode (2010-04-27)
1.1.1 -- create cover sheet (2011-05-19)
1.1.2 -- skip call of scoreQC (2011-05-31)
1.1.3 -- changes needed for migration to muc (2013-02-06)
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SYNTAX |
PYTHON
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CALL |
processQC
from $DFS_PRODUCT/DARK/$DATE
/home/python/crires_dark.py -i -a $AB
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INSTRUMENT |
CRIRES
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RAWTYPE |
DARK
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PURPOSE |
QC check of raw and product dark exposures
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PROCINPUT |
raw, product, and reference dark frames
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QC1TABLE |
trending | table(s) in QC1 database:
crires_dark
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TRENDPLOT |
trending | HealthCheck plot(s) associated to this procedure:
trend_report_DARKMED_HC.html |
trend_report_DARKRON_HC.html
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QC1PAGE |
trending | associated documentation:
dark_qc1.html
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QC1PLOTS
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dark1.png
left: current master dark, one plot per detector
right: current dark - reference dark, one plot per detector
dark2.png
as first image, central regions per detector
dark3.png
cuts through raw and master, histrograms, comparison to reference
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QC1PARAM |
QC1 parameters written in QC1 database:
QC1 DB names: darkmed | ron12 | ron23 | dark_stddev
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ALGORITHM |
darkmed: average of the median values of the input frames
ron12: subtract first input frame from second;
compute standard deviation for 100 sub images of 13x13 pixels;
read-out noise is median of these values multiplied with sqrt(NDIT/2)
ron23: same as ron12 but with second frame subtracted from third
dark_stddev: standard deviation of the median values of the input frames
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CERTIF |
Reasons for rejection:
unusual high dark level or read-out noise, unusual structure
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COMMENTS |
There should be reference frames for all standard DIT values (see User Manual):
1, 2, 3, 5, 7, 10, 15, 20, 30, 45, 60, 90, 120, 180, 300, and 600 secs.
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[2015-10-30T08:22:19] created by qcDocu v1.1.2, a tqs tool
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