FORS1 trending system: HISTORY plot |
Last update: 2007-04-18T15:41:33 (UT)
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Plot |
Symbol [info] |
Source* |
Average [info] |
Thresholds [info] |
N_data |
Data downloads |
Remarks |
method |
value |
unit |
method |
value |
1 |
| QC1DB |
MEDIAN | 16.000 |
NONE |
3SIG | ± 2.184 |
9 |
this |
last_yr |
all
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Garching |
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*Data sources: OPSLOG: Paranal ops logs; QC1DB: QC1 database; LOCAL: local text file
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This plot
Number of independent wavelengths used in the computation of the mean
spectral resolution. The values trended here are for the 300V grism
with no filter and a slit width of 0.29".
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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