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: http://www.eso.org/~chummel/oyster/lab/bgdata6.html
Дата изменения: Mon Nov 26 08:48:20 2007 Дата индексирования: Fri Feb 28 11:57:47 2014 Кодировка: Поисковые слова: освещенность |
get_bgdata
Backgroundtable created.
Background data loaded.
Then use Reduce|BGData|PLOT to plot BGRate for all channels of the two spectrometers. The first one looks like this:
Note that there are almost no counts in channel 11, which is due to
a HeNe laser notch filter. We flag these data manually (just plot
channel 11 and then use Util|Edit to flag; re-plot to check whether
all the data has been flagged); when OYSTER averages
point data, any data without valid background scans will be discarded.
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